65e88ce77fdf0327c877cdb3a2f0e3d184a9a86b40210b129bff00b6f91ddef8

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 02:10

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General

Target

f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Size

31KB
MD5

f4cfdf2b8044f5d027c356b73417deb3
SHA1

887c6d736563bb2f3269a24d2e44dc01773bda0e
SHA256

65e88ce77fdf0327c877cdb3a2f0e3d184a9a86b40210b129bff00b6f91ddef8
SHA512

57ef67de8d4bcbc004db7d9aa70972aa036d42e0b632d1f30b2c2e211deb0f874db1fc2b4782349ea09775a80015fe6d992a2852a9b632b2d1a177a3651684c0
SSDEEP

768:naCDu1cdvJKNm3r82eAGBDyEsWn3VGOsjNJyBrZqY:n7u1IsYr82PPE8OsjaBN

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	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\nzy_df = "C:\\Windows\\system\\zyndle080825.exe"	f4cfdf2b8044f5d027c356b73417deb3_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-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\International\Geo\Nation	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\zyndle080825.exe	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
File opened for modification	C:\Windows\system\zyndle080825.exe	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
File created	C:\Windows\system\zyndld32080825.dll	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
File created	C:\Windows\system\zyndld32080825jt.dll	f4cfdf2b8044f5d027c356b73417deb3_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
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2199885940"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AE2703AB-FC5F-11EE-93B1-5EFEAEFCD988} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31101036"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101036"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "420084812"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2190980457"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\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 (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2190980457"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101036"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no"	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3328	PING.EXE

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Token: SeDebugPrivilege	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Token: SeDebugPrivilege	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Token: SeDebugPrivilege	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
Token: SeDebugPrivilege	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1576	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1576	iexplore.exe
1576	iexplore.exe
3824	IEXPLORE.EXE
3824	IEXPLORE.EXE
3824	IEXPLORE.EXE
3824	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 1576	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	83
PID 4160 wrote to memory of 1576	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	83
PID 1576 wrote to memory of 3824	1576	iexplore.exe	84
PID 1576 wrote to memory of 3824	1576	iexplore.exe	84
PID 1576 wrote to memory of 3824	1576	iexplore.exe	84
PID 4160 wrote to memory of 1576	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	83
PID 4160 wrote to memory of 3468	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	57
PID 4160 wrote to memory of 5112	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	85
PID 4160 wrote to memory of 5112	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	85
PID 4160 wrote to memory of 5112	4160	f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe	85
PID 5112 wrote to memory of 3328	5112	cmd.exe	87
PID 5112 wrote to memory of 3328	5112	cmd.exe	87
PID 5112 wrote to memory of 3328	5112	cmd.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3468
- C:\Users\Admin\AppData\Local\Temp\f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f4cfdf2b8044f5d027c356b73417deb3_JaffaCakes118.exe"
  2⤵
  - 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:4160
- - C:\program files\internet explorer\iexplore.exe
    "C:\program files\internet explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1576
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3824
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\dfDelmlljy.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5112
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3328

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:\ProgramData\zyndf16.ini

Filesize
129B

MD5
b9306cf508ab4686227a6ff2690f12fd

SHA1
f79347dfc459797bfe693363438401cbea86e6f0

SHA256
329a0d17265b272de56c5b2248522eacdac7471efde189eabbcfdddd1a45cd6d

SHA512
dbe7ab75b73101f95cd911209f8c9d152e23eb26826f070b8fcb7626428f4dd5f64e5022e21014f22a42d3c3f8a1dfef674e56fcc06272f8f36f4b175d85af69

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4H6GDT3Z\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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C:\dfDelmlljy.bat

Filesize
233B

MD5
97545728258f87bf51a154e9b0696ee2

SHA1
d13a8c0c89373eb45d16bcff2126cf08d6110ad8

SHA256
c049d787d8bb35d9c34d918942d9ebbf1f269e0b80aaf5d9137efb9b6e91e8ee

SHA512
73c722e8fc1af26d2a5aa26c6434fee9a8402895231801c29e354e7c3c39a09cf435ae204e6975529b4e57826c948e71bced513d3c92374261d07f4bc89be1fd

Download Submit