Analysis
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max time kernel
0s -
max time network
72s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2023 09:07
Static task
static1
Behavioral task
behavioral1
Sample
30370507a2816a3b25424a98b0a257c3.exe
Resource
win7-20231215-en
General
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Target
30370507a2816a3b25424a98b0a257c3.exe
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Size
180KB
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MD5
30370507a2816a3b25424a98b0a257c3
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SHA1
fb835ea3b66243bc388e6cd7f1d165ca086b5fa5
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SHA256
3240bb4e565eac6e610055410caf961539c916bc33679f00abe0d3cc55e76809
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SHA512
87001beabd5c678b90d96898258ed09c10fef2506b9bf83d2e20fd2cf26aeb8a9de8fd2666b75059d4c8c6e2953f527d54d13426328a392d4a766d2c98386c81
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SSDEEP
1536:HYVEJZ96Fs69zS7Reyhi9W9ItegcjNUH9Xz5tiU+n8iiBa7aU3n2kd7GM/i26WhD:Hd2YSLmQirb+rL
Malware Config
Extracted
njrat
v2.0
HacKed
error404.linkpc.net:1177
Svchost
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reg_key
Svchost
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splitter
|-F-|
Signatures
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r77 rootkit payload 21 IoCs
Detects the payload of the r77 rootkit.
resource yara_rule behavioral2/files/0x000600000002323a-85.dat r77_payload behavioral2/files/0x000600000002323a-87.dat r77_payload behavioral2/files/0x000600000002323a-86.dat r77_payload behavioral2/files/0x000600000002323a-108.dat r77_payload behavioral2/files/0x000600000002323a-111.dat r77_payload behavioral2/files/0x000600000002323a-110.dat r77_payload behavioral2/files/0x000600000002323a-113.dat r77_payload behavioral2/files/0x000600000002323a-114.dat r77_payload behavioral2/files/0x000600000002323a-135.dat r77_payload behavioral2/files/0x000600000002323a-134.dat r77_payload behavioral2/files/0x000600000002323a-145.dat r77_payload behavioral2/files/0x000600000002323a-144.dat r77_payload behavioral2/files/0x000600000002323a-163.dat r77_payload behavioral2/files/0x000600000002323a-164.dat r77_payload behavioral2/files/0x000600000002323a-184.dat r77_payload behavioral2/files/0x000700000002322a-187.dat r77_payload behavioral2/files/0x000600000002323a-188.dat r77_payload behavioral2/files/0x0006000000023239-189.dat r77_payload behavioral2/files/0x000600000002323a-190.dat r77_payload behavioral2/files/0x000600000002323a-191.dat r77_payload behavioral2/files/0x000600000002323a-195.dat r77_payload -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1276 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2296 BackgroundTransferHost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Program crash 1 IoCs
pid pid_target Process procid_target 3656 3116 WerFault.exe 100 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4636 wrote to memory of 2296 4636 Process not Found 129 PID 4636 wrote to memory of 2296 4636 Process not Found 129 PID 4636 wrote to memory of 2296 4636 Process not Found 129 -
Views/modifies file attributes 1 TTPs 8 IoCs
pid Process 1252 attrib.exe 4840 attrib.exe 1476 attrib.exe 4948 attrib.exe 2688 attrib.exe 1608 attrib.exe 3700 attrib.exe 3084 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\30370507a2816a3b25424a98b0a257c3.exe"C:\Users\Admin\AppData\Local\Temp\30370507a2816a3b25424a98b0a257c3.exe"1⤵PID:4636
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C:\Users\Admin\AppData\Local\Temp\tdERw.exe"C:\Users\Admin\AppData\Local\Temp\tdERw.exe"2⤵PID:2296
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C:\Windows\SysWOW64\attrib.exeattrib +h +r +s "C:\ProgramData\Payload.exe"3⤵
- Views/modifies file attributes
PID:4840
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C:\ProgramData\Payload.exe"C:\ProgramData\Payload.exe"3⤵PID:3116
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C:\Windows\SysWOW64\attrib.exeattrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Svchost.exe"4⤵
- Views/modifies file attributes
PID:1476
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C:\Windows\SysWOW64\attrib.exeattrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Svchost.exe"4⤵
- Views/modifies file attributes
PID:4948
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 22084⤵PID:4520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 22484⤵
- Program crash
PID:3656
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C:\Users\Admin\AppData\Local\Temp\tdERwr.exe"C:\Users\Admin\AppData\Local\Temp\tdERwr.exe"2⤵PID:3148
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C:\System\$77-System.exe"C:\System\$77-System.exe"3⤵PID:3948
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath '\System'4⤵PID:3900
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath '\System'5⤵PID:2452
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-System.exe'4⤵PID:2900
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath '\System\r77-x64.dll'4⤵PID:4872
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath '\System\r77-x86.dll'4⤵PID:4276
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C:\Windows\SYSTEM32\cmd.execmd.exe /c attrib +h +r +s "\System"4⤵PID:2456
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C:\Windows\system32\attrib.exeattrib +h +r +s "\System"5⤵
- Views/modifies file attributes
PID:2688
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C:\Windows\SYSTEM32\cmd.execmd.exe /c attrib +h +r +s "\System\$77-System.exe"4⤵PID:3472
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C:\Windows\SYSTEM32\cmd.execmd.exe /c attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-System.exe"4⤵PID:400
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C:\Windows\system32\attrib.exeattrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-System.exe"5⤵
- Views/modifies file attributes
PID:3700
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C:\Windows\SYSTEM32\cmd.execmd.exe /c attrib +h +r +s "\System\r77-x64.dll"4⤵PID:2300
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C:\Windows\SYSTEM32\cmd.execmd.exe /c attrib +h +r +s "\System\r77-x86.dll"4⤵PID:3908
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C:\Windows\SYSTEM32\netsh.exenetsh firewall delete allowedprogram "C:\System\$77-System.exe"4⤵
- Modifies Windows Firewall
PID:1276
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-System.exe'1⤵PID:4156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3116 -ip 31161⤵PID:1920
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath '\System\r77-x64.dll'1⤵PID:2064
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath '\System\r77-x86.dll'1⤵PID:264
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵
- Executes dropped EXE
PID:2296
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C:\Windows\system32\attrib.exeattrib +h +r +s "\System\$77-System.exe"1⤵
- Views/modifies file attributes
PID:1608
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C:\Windows\system32\attrib.exeattrib +h +r +s "\System\r77-x64.dll"1⤵
- Views/modifies file attributes
PID:3084
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C:\Windows\system32\attrib.exeattrib +h +r +s "\System\r77-x86.dll"1⤵
- Views/modifies file attributes
PID:1252
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD518cbd9bdb962f1db8aa8a85073676795
SHA1e73379c3020468cc0b10ecaa6212b130c9942208
SHA25657ed781acbf1cd7e51001072b85fdf9fa0a383dc66fb20ca627f5cdd27a6bcf8
SHA51267eda54870a6127976a58040d7c16ed4e0e4b775ef2476a5e6785bf7bf26ad996b3503901480e4416f3576feb4c7ecb20a41bde92e2e0f31a4feaa0d715343f0
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Filesize
32KB
MD5e8801559e14e871839cb6f846594fa20
SHA1940efd94aa8069a63db539f33bd1b33fdc083427
SHA256aead4d76cabdc7349595f228aec78ed9a023353521c8283c77936e312a1dde69
SHA512368c8d9daa56017e8ce38c9a802300cbdbda9b8a964684ee525fa5a60cfec40c1732591f3e61753e4ce5bee3f160c84a99f320c7e0ab0340212060fd7ad8a4b1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
64B
MD550a8221b93fbd2628ac460dd408a9fc1
SHA17e99fe16a9b14079b6f0316c37cc473e1f83a7e6
SHA25646e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e
SHA51227dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0
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Filesize
64B
MD5446dd1cf97eaba21cf14d03aebc79f27
SHA136e4cc7367e0c7b40f4a8ace272941ea46373799
SHA256a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
SHA512a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7
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Filesize
51KB
MD5c763b90bd69d766d98b0ae3595a15c4d
SHA184f35ca487210e8eeea983efb6230a5f916d8978
SHA2561e0c09e704578163832e6ede6e28bf5e5094a3e22c1ada972eaf6b18eb64e895
SHA5123b76cd03db26c85d0266b3c590d0b95e08bd5c2bd36e660f165600c620e94b932a2034afee82a18299ee53c482383a3b95304ec47b0e2f2c5271d500d970874a
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Filesize
17KB
MD57e1323724bf3c29235f186adc5c38090
SHA1d9095af2cc11125c14095f95b8eb7af2412885b5
SHA256b8e87ac78b389bca1512aac0cb3e3a12ac9b96ef22b3cf1c84959bdf146e2044
SHA5128039adda1cfcdcbd2dcce90d400e42dae12b093304d8c3cf9e3ab16ec09873d72b8321ed6d0554cba52386abf5bb58df06712586288c9ae70bd29c60627b6472
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Filesize
57KB
MD52e9cbe360f8d45cb328b440a01e1ad76
SHA18916122f0229c75b64d06aba23268e00cedad38c
SHA2563c9608ba1d118da9bb2c48b3000b1bd840876afc91feaa5bde36ca9e40325b87
SHA512ee3ad66feb4fc199222e19f6822d9e544eedf57c83d7563411eba0721743dc1dd4e235577e0a519728111125f01df0bcf381e830c7f9f7640b3efa85a2dfe009
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Filesize
26KB
MD54c72ee489093862b82274fc73d7f8597
SHA1e37e26aeddbde99851adf5749abe9c81ba192405
SHA2567387b045451ddf5ddf9f66ce837353b398c8ce3406f70508ab17c95be79386e8
SHA512da3e994f03f0807725c7574adeef070f806333c1d1b7b210d1675854077177c360e40845e4717112a4c8159d0bbee6cdc8d5f5925add313bbbd8a31705eb8b1e
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Filesize
4KB
MD57fd96dbb54beb199f96f985a17952747
SHA19f789a04dfafc46df2fce948e5a26785c48a5800
SHA256e2f2f5bfcb820fd559404dc7c68dfaa809094f219ab4cb6fc1c315ea3b8cf2b4
SHA5124ecc10ace715bf032b57059fcce0903dd0b7ce83c1576955858c7c9451ceaaf811d980f1157bbb2fa5efbcac36ea13cfbfbe047b1f0787334e30e0a2d815c3ca
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Filesize
17KB
MD5d463bff3ee1f933fe0959d07fcff5dae
SHA1930c02100fe5fe1c79ab62eb8e87ea1ba83d93d4
SHA256c04adea681ea96dd5a11bf3a99c20b7499ef4e4f54ffa50c2a735ab0a6074d83
SHA5121d83747a5c055522ea9efc863a8f979c26d6acf07ded2a8541be600126c76a5a5324c73b4a9b5896208ce455d61c88540c691a2e0a6eb7212d24ad631bc168b2
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Filesize
44KB
MD5239a8894737bb67e69cd1bb2ecd18b06
SHA106d5b2d004e11bee42ccbc5514ee886c4cb8f277
SHA25675c7eb5880ba2fea1bae20107e9899e4924cb9a9fe5a65f7b8cde60bc827ab17
SHA512123439e7e3690cdd80618c6a8fc34b2c8e12f63e6d6de61bbc1166493a6fc2563dca53ae87f609a3f3f08a556c758d5d4cabaffa9cd7271bc0d3094c600ecaef
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Filesize
26KB
MD5ae7038c26299647bdfd12dd290936c64
SHA1b5ec6d6ef3d42761730cd05db6aefd149611d143
SHA2560643cfbf7a1ecc9f3edfebca66ae3ad436e4c958ba047fe55b354ca8415519de
SHA512fc296f98bb17d98d0bfbb00a6282657bc774fc228331f2e4c16ffd2c69309d41d4d342d5fe900819526eaa4d90577fc1c6fe0688ac5128e46a875147c919c892
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Filesize
100KB
MD5e3654662f8962e9fc1b43610c4a1abe8
SHA1178d8fb79c9fc1ba4af536eb836564635c860ff1
SHA25651407c19e460622604051c483c1354b030cb91741a9ebf2c58984688c2f9cac9
SHA51297da0ea5cc6d9143bc881c83544a65146af26abdb2431b6abe4acdf4a518a4d4881aff4c4690a561da2b6082de2db0d997a75bd847cfe964cabee7ef80ca318e
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Filesize
41KB
MD5624120a9a8973532f0771dcadd66e42a
SHA1b4aa02d4706d04199317a6a2e75859dd6abb4dfe
SHA2562dff36d0dc33bbd0446c75a11a6942b56a60d3bdffbd58db59c1f8ec77d35044
SHA5122346d4a98db53b71f378f1b2f22303584a88c96d1823cd3cb5247ce2034e0686986ebc331358c210d5cfc12eae7425a07e7e2882a7b309381da386fef36b9b50
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Filesize
44KB
MD556e6788222bf987d4a7e49ab82bfbdd1
SHA1ed7bbdbc98f765a06548fc06ccf4db132022747c
SHA2560f4024847e4dcb3b6d950877cd8e81fc6c3d2cd3a8aaf9892c6702f0ded289ca
SHA5122db19ebe09d2af835a731cee1085e85c8a5a3b1b24474d29a7006188470fda3b3cccddbf26924d94ae176085693c3a54a93fc3368e5394acd94095b3fa06c34f
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Filesize
5KB
MD59a99682de71771ab09ae350863644ed5
SHA190c1d2efe12c8bb90e6acdc1d831338a498f73ce
SHA25627196519f228a7e817f81e81b2ee413bf71a01d4fd51415d39fc7947390caf0f
SHA5125ff5df8268e0e2131bf31569272c67be63490177575286659c1a918378485064aa058349a47f8aec87a1ed335b80ce261509e66384b1a8daa19434706c82cb78
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Filesize
62KB
MD524a17177d7cbe0f0253576f89629fba5
SHA132a6a7b1bb9af6c3978c3c06cfda835347225bce
SHA256506f11fe7f31e225aff9bd80e6def31084d820b95179f289c7e078665b15257c
SHA51247e95b2bade424e996cb5f2ed37c4364b28acd2a7eaff53414565fca1b94601f986136f26d282b8196680a071b4e0416203e7c60c759151d585c74a85eaa7113
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Filesize
1KB
MD5f876111a3b07056f09c58fc27b13bd6f
SHA1848963ea464467e43f78221c221855159bfcb1e0
SHA25615647e5e9b4bfaf3463e82ff861dd4b9151c0b7ecc6c250d2bd3d685e1ea4eb6
SHA5120f687ad222d7696ea3fa7be571016789add478a14a70a0c76b11ca4d633b26cd05b65f6765fdbf5787326a46fc73167a543e15b76ad6d4586cf520af2b56afd7
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Filesize
69KB
MD55b57e6f46cf518d8f67f3837c5efef2f
SHA17c53b67c9c22f4361b3db65c85177624a93a764f
SHA256da45eae817dbde2f1da27cdad23e87d5ccf4b67bff0cade1cd4efc094743e8f0
SHA512af7133e89c3636b9c33db635e199697591a685acc6d079bcd2d41cafddb8dee89a5ebf0dc0f4d1d57ca3fd16eba2745fc44b09689a88f6a115d54f600e7211ad
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Filesize
10KB
MD55f5f22637e5baa3649eac3bfd931a2f6
SHA1ec6153c704aef18036ed6a672156db8eb6c93cb2
SHA2564a011419d6276f6f159eff8ff24b3fa437b24514c3fb9bb63537434edfa5ac94
SHA512c335286826316eb95fcbadeae255c3a35cfca6a18ec14b2e0e6744709d5a6904816a2b3c31c0c87f356bfe4a0926346d6bdf772c1e815a03cb894a2fff2e2dae
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Filesize
55KB
MD504ab635b008166ce25c910bca2dc4b7d
SHA14bc2cbcb3e5a5f14705aed0e53e5593adbf60d63
SHA2565297762a951b02f185f4d1b70a7d00ae445a18796e50b49c4c0ab03ae90d9a18
SHA512ee47f8e28a6d708815306d75846d442078e6fb9b75f1170d620ed5d8d54feca2b675a4a7fc284c871a25eceda4048fb646084bd40993dc295149079420f62cfe
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Filesize
81KB
MD56c9cea3403b496de0ba732c1d6bb8c59
SHA179dce15f6811ab38c20031ae281ef45ecdd160f3
SHA256d26e9b43092550b6a191d29a3cd0123eb5e09d689cba185b9333d5a44a94b8bb
SHA512fa259dc03d467371934bd2f747bd085e284d04f50c25da04362100a3c619e36acd6b31d3713e76cb5cb256c20f73216000c9b8a5c6f3713ebf1a4550898aa210
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
27KB
MD5e1835846b8fbf14aa38eecc24b4ebc52
SHA183a10357ee2ed7e18f68544d748777add0d0b266
SHA2569e512b7a9feae0b292a5bc181cc6f3d670444314e4ea9566658316fde96ea32a
SHA512fe9a8bfa7a5e8aa426dd4f82bfd53d076c21936818b5362b5344a870bc93159f29efbbd5c57118f9998b918cb3cdfde552dd65ff3f580958cc37462122a4b480
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Filesize
13KB
MD509d79ae1ac561f83f1c4627bec111da7
SHA15314696807f4f5d86a72fe784afe602c09ce39bf
SHA256eaf14e6342164bd0c8294b5b4da01574fe89791cede7565cff480ccf35e3f4aa
SHA51226fc57506db86a3881207bb305f6a3abb734f1436407e35c4db0d830383333751830942d3be79eb6bb5d247fc93446f5f47436ab91eedfa2907b764d9a18a028
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Filesize
36KB
MD5f25897326beee04afba384bc50e0c35b
SHA15085a4d48444be7f4a7ec1dd4f4810d3ce5869cb
SHA25695c3212ceba92fcd3603232f23b6748bd24bc2575ee1047170ac0d1ca44fcd13
SHA51285def6bc6209971cf42efac5f62112a086e9f85b15a49142d335eb6093ded27962a952bf03801ee09a210bad45d7a008202031b135ff02770ee715708a7d56e0
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Filesize
25KB
MD55c9d3961c0b4565e751bdf3b17d55335
SHA12fa09e5b0c3cec548d28c11e9d5a48fe6f0e767f
SHA256c51aaffb0d1ac40a410f6b547111e6c8423bc2fbff113f2386516582a23ae052
SHA5129d65465d800efbc5c4d5d6c892e36a8c3ee13d8df1b74afb2c7a4dd346fa823f69aaa85f59c5256b61790a5455a23bfdf6f7bfee652adea2516b7ee805da8ff1
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Filesize
1KB
MD520f9d460beae489c690a28fbb03dbd62
SHA12a0e56ac76b82481ebf0fca5666db1d97a572a2d
SHA256f586aab2040d1ebca0c76fb10d3dd812c05e8d3985c15dc63d9d76cd87400336
SHA512be89fa866659b342cd93e9fce50fcdf1cfd9e8513881e557eb2f846bf930377b62117e9d80f020cd91f0e3b846473f190d58b96336c1dd1243e9485d7067e974
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Filesize
1KB
MD50432ca64f1066cc06e80767b4d79cef9
SHA15267a57cf3a238e4ad6d2999dd9642c06240f03e
SHA256fb3e42449490b733c04a931a6c4b293bdcdbd5e482bef5f7a51345612f78bbff
SHA5121b3a4bbae783d71006fe38179461926e4de4d77ba6d5d6f5404024d934ccce42bf8b7e79acf7a9a8a854968493233eda32556543fe753c0f0016eaa0e47f56b2