Analysis
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max time kernel
117s -
max time network
153s -
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, 08:49
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/4256-152-0x0000000000400000-0x0000000000424000-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 60 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1500 set thread context of 4256 1500 xveXYcYoRA9ESLn.exe 103 -
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 3720 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1500 xveXYcYoRA9ESLn.exe 1500 xveXYcYoRA9ESLn.exe 1500 xveXYcYoRA9ESLn.exe 1500 xveXYcYoRA9ESLn.exe 680 powershell.exe 1500 xveXYcYoRA9ESLn.exe 4256 xveXYcYoRA9ESLn.exe 4256 xveXYcYoRA9ESLn.exe 4256 xveXYcYoRA9ESLn.exe 680 powershell.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4256 xveXYcYoRA9ESLn.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1500 xveXYcYoRA9ESLn.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 4256 xveXYcYoRA9ESLn.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1500 wrote to memory of 680 1500 xveXYcYoRA9ESLn.exe 99 PID 1500 wrote to memory of 680 1500 xveXYcYoRA9ESLn.exe 99 PID 1500 wrote to memory of 680 1500 xveXYcYoRA9ESLn.exe 99 PID 1500 wrote to memory of 3720 1500 xveXYcYoRA9ESLn.exe 101 PID 1500 wrote to memory of 3720 1500 xveXYcYoRA9ESLn.exe 101 PID 1500 wrote to memory of 3720 1500 xveXYcYoRA9ESLn.exe 101 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103 PID 1500 wrote to memory of 4256 1500 xveXYcYoRA9ESLn.exe 103
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:1500 -
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:680
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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\tmp73B4.tmp"2⤵
- Creates scheduled task(s)
PID:3720
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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:4256
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b7f1b436ad114aa2b333aa3ae4ffe82e
SHA1cd442aef158ce6fd51239dba09a11d61090c9b55
SHA2563f0c5c07a9ec8909463dd9802a7d9ce8759619ea88ec678a4e8d7e2a196db230
SHA512dd98b127cecf55da41bb86d88ef77c9f6c4b3684041ea342fec36164df88e2c0be21fdafcb11121785133996e48416326ff3e6c1b6102aaf43c355f2a658b152