f2d2aff9b441c6dd54180d1431bd241a56367ac1940ab62ad96047e4625d1a28

Analysis

max time kernel
94s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16-07-2024 02:33

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General

Target

4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe
Size

30KB
MD5

4c71fb33ac694031e4e1c5ef09fa4578
SHA1

4f5375388479fbf9ba5851bc5b3565e0abc67111
SHA256

f2d2aff9b441c6dd54180d1431bd241a56367ac1940ab62ad96047e4625d1a28
SHA512

e50916fd9f37f359624dfb96fdf26aea611dc59603b4fd4c946520cf53bd37ac09b7ab933adb24599fbff03612aab54c70fb95649df0b82716709713e7e6a672
SSDEEP

768:8mvGIG2gMVRZ58JSGxE+VOWJEDvwjtQGQEX1nyN+gK:M7MoEyOWyD4Oi1yQg

Score

7^/10

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-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1340	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\acrobat.dll	4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\acrobat.dll	4c71fb33ac694031e4e1c5ef09fa4578_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 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427862170"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\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-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119144"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2466475547"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2464131602"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119144"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31119144"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31119144"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2466475547"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2464131602"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BE73BBBE-431B-11EF-9D1F-DE54A6AF116A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1336	4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe
1336	4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3024	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3024	iexplore.exe
3024	iexplore.exe
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 1340	1336	4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe	86
PID 1336 wrote to memory of 1340	1336	4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe	86
PID 1336 wrote to memory of 1340	1336	4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe	86
PID 1340 wrote to memory of 3024	1340	rundll32.exe	87
PID 1340 wrote to memory of 3024	1340	rundll32.exe	87
PID 3024 wrote to memory of 4636	3024	iexplore.exe	88
PID 3024 wrote to memory of 4636	3024	iexplore.exe	88
PID 3024 wrote to memory of 4636	3024	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4c71fb33ac694031e4e1c5ef09fa4578_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe acrobat.dll,AInit
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1340
- - 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:3024
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3024 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\Internet Explorer\VersionManager\verF702.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5HI12B12\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\acrobat.dll

Filesize
50KB

MD5
d6cb8d33bf731f25f1d24a6f4fd6e5ef

SHA1
8f5926417a1f36d44a9b8a89dc5106c6a0de5b9a

SHA256
3b2c0341528da4e2e129e80e4b57aef63c6b307587fab96528cf00e1b1dd034a

SHA512
441aafb617f55310621f9d92c8dc6d680ed752a576dd53cee9eb814fb7ab7d22114aac8fe17a759fbbc51f9aaeaccadb93f78f5564ba6110db209bfb9bdb01c0

Download Submit
memory/1336-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download