2a4177aa98bafa0257423834e09e63610c9bd94ea91744d9eb5ddf15419ff8f2

Analysis

max time kernel
92s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:27

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General

Target

81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe
Size

105KB
MD5

81c8bbc5dc675e57296b79bcc3acda1b
SHA1

a898ade3d40c959c45ce3562b501b03692776162
SHA256

2a4177aa98bafa0257423834e09e63610c9bd94ea91744d9eb5ddf15419ff8f2
SHA512

a778c41017a505074311a3b9dc1037eb025eea3597d26f9c41007049be3c05ffdf6c3fcd468a7672788053a8fc82d41dcb3da9640564f853d9920f3fb7e11dbc
SSDEEP

3072:Nt+gWOZ4xwvUFr79i+g6Sra21WnkLV0Qap7+0vl:Nt+NBrSZcnkLV0QYN

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winjee32.rom,SeMplzOr"	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winjee32.rom	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winjee32.rom	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1624	3564	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D78F4268-504C-11EF-AC71-FA1F1230D84A} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2884897437"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122521"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "429312618"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2884897437"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2887240796"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122521"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31122521"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4188	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4188	iexplore.exe
4188	iexplore.exe
4264	IEXPLORE.EXE
4264	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 3468	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	88
PID 3564 wrote to memory of 3468	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	88
PID 3564 wrote to memory of 3468	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	88
PID 3468 wrote to memory of 4188	3468	cmd.exe	90
PID 3468 wrote to memory of 4188	3468	cmd.exe	90
PID 4188 wrote to memory of 4264	4188	iexplore.exe	92
PID 4188 wrote to memory of 4264	4188	iexplore.exe	92
PID 4188 wrote to memory of 4264	4188	iexplore.exe	92
PID 3564 wrote to memory of 4188	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	90
PID 3564 wrote to memory of 4188	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	90
PID 3564 wrote to memory of 2880	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	93
PID 3564 wrote to memory of 2880	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	93
PID 3564 wrote to memory of 2880	3564	81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c8bbc5dc675e57296b79bcc3acda1b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start iexplore -embedding
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4188
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4188 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4264
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\vkpBA38.bat"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 492
  2⤵
  - Program crash
  PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3564 -ip 3564
1⤵
PID:3464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FJHCGOS8\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\vkpBA38.bat

Filesize
188B

MD5
333d0af1be35f8fa2979779536f97c3d

SHA1
4bec274c0f3c882fc0ceb77b8ddf802969591018

SHA256
92624045d26ae645e9ef26af9c931cb03b154c965f7df55cc56fb86c018590fc

SHA512
ca83ec2f3e0da85efb3f9147f42f1c7bf1271ddde517a6a26411479f775d24ddd62feb575d144abe9ab915002ea8e22782ca0e552dc017773af644ed849e19a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\vkpBA38.tmp

Filesize
79KB

MD5
3803e4ca20bbc7c15a8190d7f93cc35f

SHA1
87d43a91ef0f6e8e7ef9e39a1a1e8c81951df870

SHA256
ca73b364f289a944f983d324bb467fc273d54bce31e638c3097255cbb008ebec

SHA512
a36205014b0f563a18539847303162672063d99831818be2e7893d4d1527b2e404dbc1ea733e0229091cdcb654469b0abd1f724dcf4f79daac06df50a6ee427e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads