Analysis
-
max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
28-08-2024 01:28
Static task
static1
Behavioral task
behavioral1
Sample
2819ddc5b45aec8e553a8ba973a5e555d733dc45f38d3566dc2f0d1e7761ac32.docx
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2819ddc5b45aec8e553a8ba973a5e555d733dc45f38d3566dc2f0d1e7761ac32.docx
Resource
win10v2004-20240802-en
General
-
Target
2819ddc5b45aec8e553a8ba973a5e555d733dc45f38d3566dc2f0d1e7761ac32.docx
-
Size
179KB
-
MD5
dddc62fe7387455520e9eb696b4292fd
-
SHA1
88f4353640f565178c8e4986d8cea7a03b1d14c4
-
SHA256
2819ddc5b45aec8e553a8ba973a5e555d733dc45f38d3566dc2f0d1e7761ac32
-
SHA512
e7334d487cd7137a1af8880c31086a9bb59b445ccd91346bc005ce7a5bd0026ab9a2854977463662eab7a148963376245b2917373a890a09ae5898999ebd1661
-
SSDEEP
3072:aiY5rj1ATug+mhTZMxjcFQ9csn4qAzYjDp/shKuikycBSRjR/Vx7XUwV5h:w5r/g+qZMpcFSQzYHut4dNHh
Malware Config
Extracted
remcos
AUG 26
sungito2.ddns.net:6509
154.216.19.222:5532
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-LXAZN2
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2284-147-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/576-146-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2056-140-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2284-147-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2056-140-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Blocklisted process makes network request 1 IoCs
flow pid Process 8 2884 EQNEDT32.EXE -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2392 powershell.exe -
Downloads MZ/PE file
-
Abuses OpenXML format to download file from external location
-
Executes dropped EXE 6 IoCs
pid Process 1608 sinbless09185.exe 696 sinbless09185.exe 1600 sinbless09185.exe 2056 sinbless09185.exe 2284 sinbless09185.exe 576 sinbless09185.exe -
Loads dropped DLL 1 IoCs
pid Process 2884 EQNEDT32.EXE -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts sinbless09185.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1608 set thread context of 1600 1608 sinbless09185.exe 37 PID 1600 set thread context of 2056 1600 sinbless09185.exe 38 PID 1600 set thread context of 2284 1600 sinbless09185.exe 39 PID 1600 set thread context of 576 1600 sinbless09185.exe 40 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sinbless09185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINWORD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EQNEDT32.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sinbless09185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sinbless09185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sinbless09185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sinbless09185.exe -
Office loads VBA resources, possible macro or embedded object present
-
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
pid Process 2884 EQNEDT32.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1068 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1608 sinbless09185.exe 1608 sinbless09185.exe 2392 powershell.exe 2056 sinbless09185.exe 2056 sinbless09185.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1600 sinbless09185.exe 1600 sinbless09185.exe 1600 sinbless09185.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1608 sinbless09185.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 576 sinbless09185.exe Token: SeShutdownPrivilege 1068 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1068 WINWORD.EXE 1068 WINWORD.EXE 1600 sinbless09185.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 2884 wrote to memory of 1608 2884 EQNEDT32.EXE 31 PID 2884 wrote to memory of 1608 2884 EQNEDT32.EXE 31 PID 2884 wrote to memory of 1608 2884 EQNEDT32.EXE 31 PID 2884 wrote to memory of 1608 2884 EQNEDT32.EXE 31 PID 1068 wrote to memory of 2432 1068 WINWORD.EXE 33 PID 1068 wrote to memory of 2432 1068 WINWORD.EXE 33 PID 1068 wrote to memory of 2432 1068 WINWORD.EXE 33 PID 1068 wrote to memory of 2432 1068 WINWORD.EXE 33 PID 1608 wrote to memory of 2392 1608 sinbless09185.exe 34 PID 1608 wrote to memory of 2392 1608 sinbless09185.exe 34 PID 1608 wrote to memory of 2392 1608 sinbless09185.exe 34 PID 1608 wrote to memory of 2392 1608 sinbless09185.exe 34 PID 1608 wrote to memory of 696 1608 sinbless09185.exe 36 PID 1608 wrote to memory of 696 1608 sinbless09185.exe 36 PID 1608 wrote to memory of 696 1608 sinbless09185.exe 36 PID 1608 wrote to memory of 696 1608 sinbless09185.exe 36 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1608 wrote to memory of 1600 1608 sinbless09185.exe 37 PID 1600 wrote to memory of 2056 1600 sinbless09185.exe 38 PID 1600 wrote to memory of 2056 1600 sinbless09185.exe 38 PID 1600 wrote to memory of 2056 1600 sinbless09185.exe 38 PID 1600 wrote to memory of 2056 1600 sinbless09185.exe 38 PID 1600 wrote to memory of 2056 1600 sinbless09185.exe 38 PID 1600 wrote to memory of 2284 1600 sinbless09185.exe 39 PID 1600 wrote to memory of 2284 1600 sinbless09185.exe 39 PID 1600 wrote to memory of 2284 1600 sinbless09185.exe 39 PID 1600 wrote to memory of 2284 1600 sinbless09185.exe 39 PID 1600 wrote to memory of 2284 1600 sinbless09185.exe 39 PID 1600 wrote to memory of 576 1600 sinbless09185.exe 40 PID 1600 wrote to memory of 576 1600 sinbless09185.exe 40 PID 1600 wrote to memory of 576 1600 sinbless09185.exe 40 PID 1600 wrote to memory of 576 1600 sinbless09185.exe 40 PID 1600 wrote to memory of 576 1600 sinbless09185.exe 40
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2819ddc5b45aec8e553a8ba973a5e555d733dc45f38d3566dc2f0d1e7761ac32.docx"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2432
-
-
C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Users\Admin\AppData\Roaming\sinbless09185.exe"C:\Users\Admin\AppData\Roaming\sinbless09185.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sinbless09185.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
-
-
C:\Users\Admin\AppData\Roaming\sinbless09185.exe"C:\Users\Admin\AppData\Roaming\sinbless09185.exe"3⤵
- Executes dropped EXE
PID:696
-
-
C:\Users\Admin\AppData\Roaming\sinbless09185.exe"C:\Users\Admin\AppData\Roaming\sinbless09185.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Roaming\sinbless09185.exeC:\Users\Admin\AppData\Roaming\sinbless09185.exe /stext "C:\Users\Admin\AppData\Local\Temp\gsnitmlrvmxodfjhwthibdtybkxow"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2056
-
-
C:\Users\Admin\AppData\Roaming\sinbless09185.exeC:\Users\Admin\AppData\Roaming\sinbless09185.exe /stext "C:\Users\Admin\AppData\Local\Temp\rmsbufwkjuptflflndccmqohkqpppdad"4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2284
-
-
C:\Users\Admin\AppData\Roaming\sinbless09185.exeC:\Users\Admin\AppData\Roaming\sinbless09185.exe /stext "C:\Users\Admin\AppData\Local\Temp\boxm"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:576
-
-
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Exploitation for Client Execution
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
328B
MD58fb42fbbe1bb9691aaf1f5cf86044248
SHA1d70d326bccb4878486aa7960f8333b0c6b558f9b
SHA2560f13d8240b956e9df0cbc1e97555a2e8eca2ed7baadfaf0cbd1bb2cfc7d65448
SHA512efb58c3ee91126be5161656046982ba1723adda01969d29fb2442eac1b8e3c88cf9df5b3b399ebf06f2ecdccfcd4d9db6dc18fa373295511ca4e10e1037c30cf
-
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{58A84555-0181-4BE4-A053-5387F8726FA3}.FSD
Filesize128KB
MD5ef2e254245cf1d348d4db5e4f8dace4e
SHA126b3593cb8955adbdcab0eb6d4f4f348213211ea
SHA256c7e374e79c4638e73c4b412e72772bc3ff885e12a75a0bc13b38c614cd3a024c
SHA5127ba9c8dc0ce24ea0bdb88aa421c5dc9cf2aa62d03298ebe6bf4f62aa3fc867c2c45179db5c4c8a1d8bcaca50431f06252a4ed771e287cc893dc38417b412e1f9
-
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD
Filesize128KB
MD534d0ecd46e8fc4d253329ffc5da581fe
SHA152a009f0f6ab257a80dd2b9a90b2af4c49db817c
SHA25616971717ca9146780f27084cf7cdeb1621fd642db0b9273ccb7b2c6c67e628cc
SHA5129ba058855b3c90f09acc9baf00d78507ee8b06c5af301182ea7151042736c8311b939007a80f94142bf33f26cbb3d9bcdde3500b6378b2e31e2e631ed309a575
-
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{2523EB14-FB14-4D06-9A2D-D5CA8F21D102}.FSD
Filesize128KB
MD50e5818829be37d74de6e9d9efb1a1a99
SHA1e31f9804f830e1cd97a79966661923b40a7ec587
SHA256c2834e97f1bfeccdf87726660ce04e850d475d2264d3371404017d308b18b1f9
SHA5122de25f1b27b906f4ed4b3a4b7f9b2aa819d97d59e7c7367e5d3fe2342cefebcebd8f81bf719dc79c3e8503ce7965777617262947f409e5b0f8390ce8ff9c4a19
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\5J67VDZD\thrylPXnvfySmGN[1].doc
Filesize766KB
MD5c0d48716ea8eef0d46d77cc231fa5371
SHA11438d2234f6a36f27aa9b0c2465e71fd607a26c3
SHA2566c98f35634c02c4cc1d7cbc628ba843c85e80559c1b1d51d44efb3e3bbfc40f6
SHA5123fecda49692f47df4b3971d505b4a0920c6cff73433656e25144e87755b48f68d5b56aa087a1df204b46c1e8b312d580aef453cb3815377030e788047299e73b
-
Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
-
Filesize
128KB
MD5e9e2899f5c75d58cc7a1ba124319f1c8
SHA1509347477f23b54d2b910e08924650d6dfa2b4f0
SHA2561efb7c18131f1e32763c8f773e4eb58692f201990f063f1a8fded3663a17deaa
SHA5124d79c46b38465b4fb24406b2cf92f3827dad9b1f2c66c3edc539a6afd7bda5e6722fb3f479bf5dab2b8912382013cd00f9ba8c97dd23bbc7acfbb590af9c3774
-
Filesize
451B
MD5d943d467f9cc07cf2e0ac29a671e01eb
SHA197546eb90d6f299df27961c6651f2d5cb6b78977
SHA2564a139732c453e1c7dfa85db45b3dbc70136e60c56f7d6364eb5c9100068bc095
SHA5126ca9845a37b6ee478c4239457d4a0e0d058915e1cbb17663d37639747ac892f3f67ffd3797566bb205bd9219ce2bd3445dad845a5278b0e7058531b057be169e
-
Filesize
19KB
MD5a91bac5a097d34a4ee2f608e048f349d
SHA11c495c56142029b8b2ea45ed57cb8bad97db35cf
SHA2567d14a01cbb87d0f214cc78ac20a40adf16232c125dd42375890cf15b28898f6b
SHA51225b1dd072ded9f22757013c06e8796f13bb77d13c454f7d0538a7f6e3a0800f39b0fa132d60ec9c4dd031bf6fa3cd631337aaccd487b1843ac4cd06cd93ec012
-
Filesize
928KB
MD504d4d4d83e1601d220f83f09ae16cd79
SHA14f0a7d8060399a7ae5029690bdee2bf3b2e3e395
SHA25686b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8
SHA51287747374bd1c72c9d33d2af9e7456617c95e6c100788f16123bf15cb1c6748a13ad1ac9b5a967553fdf668ea226033a741c08f45febc2130a7e50ccabe69333c