Analysis
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max time kernel
124s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16-04-2024 20:21
Static task
static1
Behavioral task
behavioral1
Sample
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe
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Size
1.5MB
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MD5
f4406df1b0ca5dc97b1f0d2f57102e27
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SHA1
397851638f1cc999615aeca911a1a02a180b5d99
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SHA256
460ece62f40e00fbde378d890513acb09f03fb2f4a8da93b6305a0df0c5544dd
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SHA512
8d04d63fdc2849013f624b2a692e10e5076d8e8b6c5635d939bd096ab8d54361625cb086990a7192cc0adb0629f839467f9212dab8b86f33eeede2130657e978
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SSDEEP
24576:yzoIWmb+Mg2gRVyt5OgPf4Am4H+SHLw78aUOGemKDL0dlRG95WN90bc:yzovmbgRVCJP/HLUnUO8KDL0dno58ib
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.crmsynergies.xyz - Port:
587 - Username:
[email protected] - Password:
qWU#FcYx(9
Signatures
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Detect ZGRat V1 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3068-2-0x0000000005590000-0x00000000056D0000-memory.dmp family_zgrat_v1 -
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Executes dropped EXE 1 IoCs
Processes:
RegAsm.exepid process 4980 RegAsm.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 47 checkip.dyndns.org 52 freegeoip.app 53 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exedescription pid process target process PID 3068 set thread context of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4368 4980 WerFault.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exeRegAsm.exepid process 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe 4980 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe Token: SeDebugPrivilege 4980 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exedescription pid process target process PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe PID 3068 wrote to memory of 4980 3068 f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\RegAsm.exeC:\Users\Admin\AppData\Local\Temp\RegAsm.exe2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 18803⤵
- Program crash
PID:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4980 -ip 49801⤵PID:4412
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD50d5df43af2916f47d00c1573797c1a13
SHA1230ab5559e806574d26b4c20847c368ed55483b0
SHA256c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc
SHA512f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2