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Resubmissions
25/02/2025, 18:31
250225-w51ava1jt9 811/03/2024, 23:35
240311-3leclahf51 805/09/2023, 14:57
230905-sbr6lagd82 812/04/2023, 00:00
230412-aaqx2ahh3w 8Analysis
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max time kernel
142s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 23:35
Static task
static1
Behavioral task
behavioral1
Sample
Elo.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Elo.exe
Resource
win10v2004-20240226-en
General
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Target
Elo.exe
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Size
96KB
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MD5
26b12d61e9e62412748069275521be1a
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SHA1
6206f2f1256774a058998da3517cbffc5e70270e
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SHA256
a6f48afd03aaa15824a2182e20088a4595f795766f78d679416d123ec17e1de5
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SHA512
0e28b335d373c7d1d92f15bd412886472db66ad9b1ab9a4fcae6f1338df07785a62b03ff069aea9543a850c95e9990e3107e0114d63f207721e897b859956491
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SSDEEP
1536:f7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfswociK1CFOU:T7DhdC6kzWypvaQ0FxyNTBfspwYp
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: sethc.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Control Panel\Desktop\Wallpaper sethc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 4 IoCs
pid Process 1268 timeout.exe 1992 timeout.exe 1108 timeout.exe 2220 timeout.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Desktop\General sethc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource sethc.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 676 NOTEPAD.EXE -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 364 powershell.exe 768 powershell.exe 768 powershell.exe 768 powershell.exe 2132 powershell.exe 3572 powershell.exe 3572 powershell.exe 3572 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeSystemtimePrivilege 1884 cmd.exe Token: SeSystemtimePrivilege 1884 cmd.exe Token: SeSystemtimePrivilege 1884 cmd.exe Token: SeSystemtimePrivilege 1884 cmd.exe Token: SeDebugPrivilege 364 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2372 wrote to memory of 1884 2372 Elo.exe 29 PID 2372 wrote to memory of 1884 2372 Elo.exe 29 PID 2372 wrote to memory of 1884 2372 Elo.exe 29 PID 2372 wrote to memory of 1884 2372 Elo.exe 29 PID 1884 wrote to memory of 2936 1884 cmd.exe 30 PID 1884 wrote to memory of 2936 1884 cmd.exe 30 PID 1884 wrote to memory of 2936 1884 cmd.exe 30 PID 2936 wrote to memory of 2612 2936 net.exe 31 PID 2936 wrote to memory of 2612 2936 net.exe 31 PID 2936 wrote to memory of 2612 2936 net.exe 31 PID 1884 wrote to memory of 3028 1884 cmd.exe 32 PID 1884 wrote to memory of 3028 1884 cmd.exe 32 PID 1884 wrote to memory of 3028 1884 cmd.exe 32 PID 1884 wrote to memory of 2572 1884 cmd.exe 33 PID 1884 wrote to memory of 2572 1884 cmd.exe 33 PID 1884 wrote to memory of 2572 1884 cmd.exe 33 PID 1884 wrote to memory of 2692 1884 cmd.exe 34 PID 1884 wrote to memory of 2692 1884 cmd.exe 34 PID 1884 wrote to memory of 2692 1884 cmd.exe 34 PID 1884 wrote to memory of 2944 1884 cmd.exe 35 PID 1884 wrote to memory of 2944 1884 cmd.exe 35 PID 1884 wrote to memory of 2944 1884 cmd.exe 35 PID 1884 wrote to memory of 2704 1884 cmd.exe 36 PID 1884 wrote to memory of 2704 1884 cmd.exe 36 PID 1884 wrote to memory of 2704 1884 cmd.exe 36 PID 1884 wrote to memory of 2436 1884 cmd.exe 37 PID 1884 wrote to memory of 2436 1884 cmd.exe 37 PID 1884 wrote to memory of 2436 1884 cmd.exe 37 PID 1884 wrote to memory of 2464 1884 cmd.exe 38 PID 1884 wrote to memory of 2464 1884 cmd.exe 38 PID 1884 wrote to memory of 2464 1884 cmd.exe 38 PID 1884 wrote to memory of 2376 1884 cmd.exe 39 PID 1884 wrote to memory of 2376 1884 cmd.exe 39 PID 1884 wrote to memory of 2376 1884 cmd.exe 39 PID 1884 wrote to memory of 2476 1884 cmd.exe 40 PID 1884 wrote to memory of 2476 1884 cmd.exe 40 PID 1884 wrote to memory of 2476 1884 cmd.exe 40 PID 1884 wrote to memory of 880 1884 cmd.exe 41 PID 1884 wrote to memory of 880 1884 cmd.exe 41 PID 1884 wrote to memory of 880 1884 cmd.exe 41 PID 1884 wrote to memory of 240 1884 cmd.exe 42 PID 1884 wrote to memory of 240 1884 cmd.exe 42 PID 1884 wrote to memory of 240 1884 cmd.exe 42 PID 240 wrote to memory of 768 240 WScript.exe 43 PID 240 wrote to memory of 768 240 WScript.exe 43 PID 240 wrote to memory of 768 240 WScript.exe 43 PID 1884 wrote to memory of 676 1884 cmd.exe 45 PID 1884 wrote to memory of 676 1884 cmd.exe 45 PID 1884 wrote to memory of 676 1884 cmd.exe 45 PID 1884 wrote to memory of 900 1884 cmd.exe 46 PID 1884 wrote to memory of 900 1884 cmd.exe 46 PID 1884 wrote to memory of 900 1884 cmd.exe 46 PID 1884 wrote to memory of 2492 1884 cmd.exe 47 PID 1884 wrote to memory of 2492 1884 cmd.exe 47 PID 1884 wrote to memory of 2492 1884 cmd.exe 47 PID 1884 wrote to memory of 364 1884 cmd.exe 48 PID 1884 wrote to memory of 364 1884 cmd.exe 48 PID 1884 wrote to memory of 364 1884 cmd.exe 48 PID 768 wrote to memory of 1700 768 powershell.exe 49 PID 768 wrote to memory of 1700 768 powershell.exe 49 PID 768 wrote to memory of 1700 768 powershell.exe 49 PID 1884 wrote to memory of 2132 1884 cmd.exe 51 PID 1884 wrote to memory of 2132 1884 cmd.exe 51 PID 1884 wrote to memory of 2132 1884 cmd.exe 51 -
Views/modifies file attributes 1 TTPs 17 IoCs
pid Process 880 attrib.exe 1680 attrib.exe 2188 attrib.exe 816 attrib.exe 544 attrib.exe 2572 attrib.exe 2692 attrib.exe 2944 attrib.exe 2476 attrib.exe 1808 attrib.exe 1788 attrib.exe 2704 attrib.exe 2436 attrib.exe 2464 attrib.exe 900 attrib.exe 3028 attrib.exe 2376 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Elo.exe"C:\Users\Admin\AppData\Local\Temp\Elo.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\3736.tmp\3747.tmp\3748.bat C:\Users\Admin\AppData\Local\Temp\Elo.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\system32\net.exenet session3⤵
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 session4⤵PID:2612
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C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\Elo.exe3⤵
- Views/modifies file attributes
PID:3028
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C:\Windows\system32\attrib.exeattrib +h +s 12824.vbs3⤵
- Views/modifies file attributes
PID:2572
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C:\Windows\system32\attrib.exeattrib +h +s 19153.vbs3⤵
- Views/modifies file attributes
PID:2692
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C:\Windows\system32\attrib.exeattrib +h +s 15421.vbs3⤵
- Views/modifies file attributes
PID:2944
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C:\Windows\system32\attrib.exeattrib +h +s Automate.bat3⤵
- Views/modifies file attributes
PID:2704
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C:\Windows\system32\attrib.exeattrib +h +s Test.vbs3⤵
- Views/modifies file attributes
PID:2436
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C:\Windows\system32\attrib.exeattrib +h +s Test.bat3⤵
- Views/modifies file attributes
PID:2464
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C:\Windows\system32\attrib.exeattrib +h +s Detect.vbs3⤵
- Views/modifies file attributes
PID:2376
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C:\Windows\system32\attrib.exeattrib +h +s Detect.bat3⤵
- Views/modifies file attributes
PID:2476
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C:\Windows\system32\attrib.exeattrib +h +s bsod.bat3⤵
- Views/modifies file attributes
PID:880
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\12824.vbs"3⤵
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process Detect.bat -Verb RunAs -windowstyle hidden4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Detect.bat"5⤵PID:1700
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Detect.vbs"6⤵PID:3500
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process Test.bat -Verb RunAs -windowstyle hidden -wait7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3572 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Test.bat"8⤵PID:3820
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Test.vbs"6⤵PID:3748
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MEMZ.txt3⤵
- Opens file in notepad (likely ransom note)
PID:676
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C:\Windows\system32\attrib.exeattrib +h +s MEMZ.txt3⤵
- Views/modifies file attributes
PID:900
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" type NirCmd.ps1 "3⤵PID:2492
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -noprofile -3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:364
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell gci -Recurse -Filter *.zip |ForEach-Object {Expand-Archive -Path $_.Fullname -DestinationPath $_.BaseName -Force}3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
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C:\Windows\system32\timeout.exetimeout 15 /nobreak3⤵
- Delays execution with timeout.exe
PID:1268
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C:\Windows\system32\attrib.exeattrib +h +s NirCmd.bat3⤵
- Views/modifies file attributes
PID:544
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C:\Windows\system32\attrib.exeattrib +h +s NirCmd.txt3⤵
- Views/modifies file attributes
PID:816
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C:\Windows\system32\attrib.exeattrib +h +s NirCmd2.txt3⤵
- Views/modifies file attributes
PID:2188
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C:\Windows\system32\attrib.exeattrib +h +s NirCmd.zip3⤵
- Views/modifies file attributes
PID:1788
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C:\Windows\system32\attrib.exeattrib +h +s NirCmd.ps13⤵
- Views/modifies file attributes
PID:1680
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C:\Windows\system32\attrib.exeattrib +h +s NirCmd.exe3⤵
- Views/modifies file attributes
PID:1808
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C:\Windows\system32\timeout.exetimeout 5 /nobreak3⤵
- Delays execution with timeout.exe
PID:1992
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C:\Windows\system32\timeout.exetimeout 20 /nobreak3⤵
- Delays execution with timeout.exe
PID:1108
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C:\Windows\system32\timeout.exetimeout 10 /nobreak3⤵
- Delays execution with timeout.exe
PID:2220
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C:\Windows\system32\sethc.exesethc 2503⤵PID:580
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C:\Windows\system32\sethc.exesethc.exe 1011⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Modifies Internet Explorer settings
PID:2096
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5020570a88c0692f7f3d1d42379058765
SHA1bef5e581e4c7ef4f171c165911145dca9c68287e
SHA25616efc91532dc5d3d151ce5bdb882e6831d562a54bf8592c31052159ce929cddb
SHA5121f47d19f8f2dc77e7ab9fa12b096bb41600f84b67cc22fd41886b9a759c32c3565db23a1dfe039a1d376ffe7d510b3603f0acc5df14886d254235329e074ef9e
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Filesize
1KB
MD529e0e345438882a935d2c0baff457f6c
SHA1aef4d88c8c81bc9d9440e1f94f792f6ab83e2b5a
SHA2560c127592f7670047d0b1928fede6ecf7c827b9e8086500b23756e5c02d09a4c6
SHA5128b87df27f7edc9328debeb3a0f68468d1d46615122e815d03330a9682776f85a47ef37889fc210fb28e56d91bf8cf0f0e594f90c3eaff5827dfd57b97a0b359b
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Filesize
1KB
MD57c048eaacd1820ac933dccc0b872fa05
SHA1955999eb7463f7e4031d551e24fbd1e1fb812197
SHA256614d7a9ca519b3aa741a512e95f6f99aedd25e8c1630d30d13dd9735b562b3be
SHA51209f35a1a69344e64b13f0a54ecc82cd7dd1ee9124bfc274fcd5fe8af2a07e30bbf0841d9230591cbbe12bc8f066f5f36e1577b82d5d1f3f0eb6b9b5154ce5d4b
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Filesize
1KB
MD505471356f0ea1c0f5f5b8deb29c3ebd1
SHA112b14b737d1e0f76ca2494fb7a6841e5792a0504
SHA256cf59479c75a8803468dd2a2c1d2803a2694c41992d5a0b3b65b1c69c28d1eac7
SHA512942285259612792c2b3a45a65483e0775314841e397e815d447fd8f69f63f5de1ac48653a051c0121bd73415655c468772d39ce72bb1ba3d8ae367f78143502b
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Filesize
128B
MD5de77acb4970462a84d1418426ef768c0
SHA19f9420eecfda1a228b31ba6a7a7cac2a2885d59e
SHA256533d3759b2dc9f801b1440002bbe45a19099d87378faa7cd1ca38b6ed15c91cf
SHA512c9bd51a8f42d51e4ecf3b699aaf5c907fb85d4c727f376677604f7bac369740a13953631c4164c988707e64494c8ecb7164074b782ce2a544220b1abd0aef0dc
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Filesize
218B
MD5a5ffacb76079366b573d25fec3dccf7f
SHA15039dc66332fdade2b16d3b9065fb5fc9061f6ba
SHA25624ab295f3ea0d46fc827398c8b1d3b23752de36c8100bcfc4b5f011915b4f4f8
SHA51285b40e401e88dd13f84ec781956980c59ccb338f3953240da0be5bf17ce7d42d1654cada7e8fc70a52a2a1befb697f7ad63622c2f97f7659d481e315fb4f1046
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Filesize
147B
MD59e058306bf7f9c484a7553dcd1a080ad
SHA198670b4b9c36eea14078343272418104aee382c0
SHA256245c3a8cf02aa38b997b3a4eea47b1872c68d882a2e63c19e142b5f3e72a9d0c
SHA512bd4455afc947671eae07099d026124aeeda1c2f0ecac05f1fdf48bbe7ad2213d42dc797282cf1e7a206232d2463d8765944e6e9db8ce5c404f64b6d0c6f16fa0
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Filesize
7KB
MD5481a357d27e7c1a2cfbe617f14600b8b
SHA15c29901995a3d345eaa0d3cc9ee763ec21638b89
SHA256970b56f67e1996e434fc45c12b5157fb96ae4886b3ea4e77fad2e86fc78321aa
SHA5123504010edfa0f8a17b888fdaa1631c5a2efc20a5689bb8cc06fe1a6a95067cc1ebd6ef52d2ea8c52867b7e16280292972025358beccf0937313822c6199b2bfd
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Filesize
250B
MD58dc95918dcd15b4f00eac4148085c527
SHA1eedb48a95a37e4fdd427b9d49dd4a24bb928de82
SHA2567467265a069f557ee27950541e4b0bd8e64691f936767406879235ae31e9f88f
SHA512b0fdf4d9d0d0192b3f946871c793080305876b147fd710fb9f4785b12615bd558abb2c56ee3d65540079b04fc9b66a0ed7818149545b451e7f083a4463bb9c15
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Filesize
111B
MD53cb76846869bcbb44cebf7c7e4c6218c
SHA16d05544d37255fff5b838d3f3b7e0113fbb67c03
SHA256a6c5a78cb4cb2427005933c394abc76ed075e3c7fb996e14802b306a7838bcf2
SHA512a6017cccc5692992bcd9069f4593d3d56af9146628d9716daa0a663941a22522d2fe265dc1bc727b9eaeef1b06027c6d2b077db9ee2ea73802621ff89c980e58
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Filesize
220B
MD50ba0411f0d555bebb7752316e799f779
SHA14bdc902ee5300a65a4bad277f2a8b0175da7674d
SHA256d7c456e54e9a5621b7df7cce19994ac3dd348ee98b086ae43112348c7935da06
SHA5126738b93630327a2c2ef326abc4b896533523c602d57cd8a2305b151efd1e727938f6afce4e090e92d74964a01d748666a24847d537caf46e1a562c98927f9275
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Filesize
202B
MD5c6e2a6fe68bdcf28fd4632bcdea5a8ee
SHA14b8239cdafbba61992260695dc0e5249e37cb18c
SHA2561a790c636b4b92759ff47ea50792fec9d7da67d2764b49d64644fc562c35a908
SHA5120115a40e16647873223d6450b00b2168a00282b6decebbd92722a64c9625bdfa79bc65645e8fe021f76201f72a78c46676037953ea2918114e26b1076a912067
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Filesize
104B
MD566f27c86f734b28d170f3c4e1db8958e
SHA125557a67a5dc675e518e1bd83b32d346cc95025c
SHA2561e9a3e5b03f1f763274fd17b8f5c64e2629923dd0c9cfc94865eadef9c69e90b
SHA512f793c9742586e3150974e490c849dd0ed7a6a57e31d7affcc02406662e81378218991e6dbe63105db01cf7c352f1e76b4e71249fe8781a880258f9e9cab7fd7d
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Filesize
18B
MD5e57a11eb25dd25ed755c1839d0e4a9b7
SHA1e26d908081f93f2f28cef5091fd43a3ca1920dcf
SHA256c196c15d05b0197ea127877380a5001d6b294083c4fd92e62be55438e6a7bdff
SHA5121e2b50c39b67f0f1ac0cec2126817b033355147923ae8303b82ea9e19194820e9796c5cbff4af4f89683b471f4b7262dbd3953bdd7d87bfcd2cdaaf0991ad607
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Filesize
10B
MD57aba77b3cbdf0b7c78cee71d55dd6f50
SHA1e1c06f4fc0029aa239aa2a8d5d6a0ec6bbd89516
SHA2569b972e91c3c303336561ca43420e9a808c34812246b9fe6d85c22bf005254e3a
SHA512d6e8770db9f96c32dc76fa2d8a78f50a24938be6e2aabd3214080a4db0ec497ec5ce6ae1b481d8b0bb442779812e7222e435d8f5e6b5dd763c46a959a4c14f34
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Filesize
40B
MD5e9ca92728d880c80a242d55390769d37
SHA1c82e73e41912b3543150d2f8e520b77e66c64876
SHA256a67f7e91a028d2695cdacf984b5fd2f33ee90e95d84467df1e33a94e3573e19e
SHA51270fc9d051486e2ec964baefedf4fb8959baa3dee74887028dd4ff4337ecf0f70012c9eec855f1a65e9f141d3b76d9c616039a292e779ce690f1e191397eb088c
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5826c5fb5ef99c1bf8b74d0f7748824af
SHA19c6267e72c32d67e0af4727a97dd23010c017d8c
SHA25699246945f9ab065b63fce942de512b666161470eec6275c2711b477ab9f72e5c
SHA512c6abba9e112187142560f847efc0959a166ab313f7361f7bfe7161cf97c00da6c8964d359259da4bb191c1b21904363fb850455ca5e85086c855202ff2d57b4b