Analysis
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max time kernel
148s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
02/08/2023, 08:48
Static task
static1
Behavioral task
behavioral1
Sample
xveXYcYoRA9ESLn.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
xveXYcYoRA9ESLn.exe
Resource
win10v2004-20230703-en
General
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Target
xveXYcYoRA9ESLn.exe
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Size
643KB
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MD5
6347fb31f9109c673ad871a53592aa05
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SHA1
e27fcd68f9a792b338243354c758beea0e5699b8
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SHA256
afcf2d75de98e641cb9555de188660470893d84e4c22577cd56f947e5a54223a
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SHA512
50f54f1680baf1a4d354fc789427a535e6016dded9340d27595908defcf68e052331a16d508d974e913ca6e120b27c8649869f450be3f36b603fa69ddc78e1cf
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SSDEEP
12288:15MYIRXDdvSRkM15dSe01rrG7F7Be7oyOH/ElayoBDef3TMMMDMMM:16FRXxvSRkMJArylB4oyc/ElaZefTMM7
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6454328840:AAFhLVGRU2auzr2_1A08UAoSV1INpU42j7g/sendMessage?chat_id=6315669338
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4132-151-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 53 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2504 set thread context of 4132 2504 xveXYcYoRA9ESLn.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2140 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2504 xveXYcYoRA9ESLn.exe 2504 xveXYcYoRA9ESLn.exe 2504 xveXYcYoRA9ESLn.exe 2504 xveXYcYoRA9ESLn.exe 2504 xveXYcYoRA9ESLn.exe 4132 xveXYcYoRA9ESLn.exe 3092 powershell.exe 3092 powershell.exe 4132 xveXYcYoRA9ESLn.exe 4132 xveXYcYoRA9ESLn.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4132 xveXYcYoRA9ESLn.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2504 xveXYcYoRA9ESLn.exe Token: SeDebugPrivilege 4132 xveXYcYoRA9ESLn.exe Token: SeDebugPrivilege 3092 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2504 wrote to memory of 3092 2504 xveXYcYoRA9ESLn.exe 96 PID 2504 wrote to memory of 3092 2504 xveXYcYoRA9ESLn.exe 96 PID 2504 wrote to memory of 3092 2504 xveXYcYoRA9ESLn.exe 96 PID 2504 wrote to memory of 2140 2504 xveXYcYoRA9ESLn.exe 98 PID 2504 wrote to memory of 2140 2504 xveXYcYoRA9ESLn.exe 98 PID 2504 wrote to memory of 2140 2504 xveXYcYoRA9ESLn.exe 98 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100 PID 2504 wrote to memory of 4132 2504 xveXYcYoRA9ESLn.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kmOptlGglTeN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3092
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmOptlGglTeN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF2D.tmp"2⤵
- Creates scheduled task(s)
PID:2140
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C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:4132
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5260e141cc4c09a2df9eeed712a4106e4
SHA1f5c582fa1b3d89d5457040b564e2877bebd88b76
SHA256a36c84c55f3525b2273c2e0bc395a866e69a28b34117547526362d65051afc05
SHA51201c9bb24073c82b684e664360be352bef07b5353fda9b608123c6b233ef7a8cc9f5e4adba035cc1cadab84858ebf42e42f7b8512139c2763cd2b8042f28bd2c4