b64e5578b24096c6592ee7fbba2661af69397d10fd65317a2cdd1e59fce39235

Analysis

max time kernel
139s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 06:26

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General

Target

5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
Size

68KB
MD5

5acef71913386b1797fac9c2a20b1586
SHA1

ddee4ecd39971b4336e7689659c60230e2f58991
SHA256

b64e5578b24096c6592ee7fbba2661af69397d10fd65317a2cdd1e59fce39235
SHA512

8efba606622a297646f83219b186976a82e4c06a5de2ed455d28576dfa0ae04bcdee11a60027abf546fb4f622ec6d6a7302553116f26dcc914c9852f49fe09d7
SSDEEP

1536:dtq94r/A7amvIThkLZsRwYSpRPMwPgAa8n/6OVFrTP6m:FTwIu1sqzVPJNn/6O/f

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\llajyn_df = "C:\\Windows\\system\\lljyn081204.exe"	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe

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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\lljyn081204.exe	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
File opened for modification	C:\Windows\system\lljyn081204.exe	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
File opened for modification	C:\Windows\system\llbjyn32bb.dll	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
File created	C:\Windows\system\llbjyn32bb.dll	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "428135378"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2992054996"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119780"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119780"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31119780"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no"	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DE00AA49-4597-11EF-81F6-569B09BE6E2C} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2996586816"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2992054996"	iexplore.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2488	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
Token: SeDebugPrivilege	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
Token: SeDebugPrivilege	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
Token: SeDebugPrivilege	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2028	iexplore.exe
2028	iexplore.exe
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2028	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe	93
PID 2940 wrote to memory of 2028	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe	93
PID 2028 wrote to memory of 1200	2028	iexplore.exe	94
PID 2028 wrote to memory of 1200	2028	iexplore.exe	94
PID 2028 wrote to memory of 1200	2028	iexplore.exe	94
PID 2940 wrote to memory of 2028	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe	93
PID 2940 wrote to memory of 1388	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe	96
PID 2940 wrote to memory of 1388	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe	96
PID 2940 wrote to memory of 1388	2940	5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe	96
PID 1388 wrote to memory of 2488	1388	cmd.exe	98
PID 1388 wrote to memory of 2488	1388	cmd.exe	98
PID 1388 wrote to memory of 2488	1388	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5acef71913386b1797fac9c2a20b1586_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940
- C:\program files\internet explorer\iexplore.exe
  "C:\program files\internet explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1200
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\dfDelmlljy.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2488

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

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCRJMNF7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\dfDelmlljy.bat

Filesize
233B

MD5
3f31324cf9515e99e6ba1ebcb64ad70d

SHA1
8501c93b46d9c02c7f58122107fc770dcb9e5737

SHA256
03be84b09f53f903208bffd7ff20007f736fc9fb84628554d03e3227642ae6c1

SHA512
d016449b583a889762f0427222dbd1e6f88098c63b2ab7dc5d554e1fb33ce977feae1e583378cdc97c11bf6a1a45e81aef67eed27a48de324030d2f9cbc607ca

Download Submit
memory/2940-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2940-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download