Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2024 17:59
Behavioral task
behavioral1
Sample
WhatsApp-cleaned.exe
Resource
win7-20241010-en
General
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Target
WhatsApp-cleaned.exe
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Size
3.9MB
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MD5
eb98e1dcc374d67e71a85ecc848034ec
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SHA1
002409d45df360fb9902fb60bb316a863c735aa2
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SHA256
078bbd30cad5587f8dcde105e04046cc56f8d3cef527993faec4341920e6a8eb
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SHA512
1f168da8f33084c04d7963528bd29fcd81cb6b7e63534096053b1726ebd33b417f4089c16884e1e9d6e4a055c298ccea1f0d22f7970ff951d63efcd4e7f8b76d
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SSDEEP
98304:oCDnyTWzDCidsFXGAtljN36bZfRE7Rtc/vNK3egPJ:o2qM+idivVNKbZfREVtc0PJ
Malware Config
Extracted
redline
ws-19
38.91.100.57:32750
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auth_value
b8974207e31b05e60d39e04eba8eeb0b
Signatures
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Detect ZGRat V2 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4248-3-0x0000000004C90000-0x0000000004D46000-memory.dmp family_zgrat_v2 -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4476-33-0x0000000000400000-0x0000000000428000-memory.dmp family_redline -
Redline family
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Zgrat family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
WhatsApp-cleaned.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation WhatsApp-cleaned.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/4248-1-0x0000000000050000-0x0000000000442000-memory.dmp agile_net -
Suspicious use of SetThreadContext 1 IoCs
Processes:
WhatsApp-cleaned.exedescription pid process target process PID 4248 set thread context of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
InstallUtil.exeWhatsApp-cleaned.exepowershell.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WhatsApp-cleaned.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exeWhatsApp-cleaned.exepid process 4668 powershell.exe 4668 powershell.exe 4248 WhatsApp-cleaned.exe 4248 WhatsApp-cleaned.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeWhatsApp-cleaned.exedescription pid process Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 4248 WhatsApp-cleaned.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WhatsApp-cleaned.exedescription pid process target process PID 4248 wrote to memory of 4668 4248 WhatsApp-cleaned.exe powershell.exe PID 4248 wrote to memory of 4668 4248 WhatsApp-cleaned.exe powershell.exe PID 4248 wrote to memory of 4668 4248 WhatsApp-cleaned.exe powershell.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe PID 4248 wrote to memory of 4476 4248 WhatsApp-cleaned.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\WhatsApp-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\WhatsApp-cleaned.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- System Location Discovery: System Language Discovery
PID:4476
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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