9601ec67be07f0d5addc2b9be632cb6932a01ce80a4ee3ecaf901bc915f2fa54

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 22:57

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General

Target
0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
Size 76KB
Sample240619-2xp3sswapa
SHA256 9601ec67be07f0d5addc2b9be632cb6932a01ce80a4ee3ecaf901bc915f2fa54
MD5 0104aa1edc7c8743f89962fb026f1bd9
SHA1 1247ab8e828086d87cf2bfc80c7621b9d70c5c5c
SHA512 47e9e3fec64b62ec8a7b40126430e121becbb0546a46a5f3ae92744ce622109e1689640212ced27b9937a225be098e70b48b9b4e3288a403823e6f18db55f470
SSDEEP 1536:ViHIcz+j0W2QA5v974JyZuCEB8SjAYTlOeTukAzciXvU:2Ii+jV2n7WyZuCkJ0DSSU
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware evasion stealer trojan

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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2896	SteepleGrill.exe
4960	SteepleGrill.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	regsvr32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	\??\f:\$recycle.bin\s-1-5-21-2804150937-2146708401-419095071-1000\desktop.ini	SteepleGrill.exe
File opened for modification	\??\f:\$recycle.bin\s-1-5-21-2804150937-2146708401-419095071-1000\desktop.ini	SteepleGrill.exe

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}	regsvr32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VandalizeIntricacy\VandalizeCaulk.exe	SteepleGrill.exe
File created	C:\Program Files\CaulkLevitate\CaulkHarridan.exe	SteepleGrill.exe
File created	C:\Program Files\VandalizeIntricacy\VandalizeCaulk.exe	SteepleGrill.exe
File opened for modification	C:\Program Files\CaulkLevitate\CaulkHarridan.exe	SteepleGrill.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ZAYUOZBIDUJF.dll	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ = "Ixunlei"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CurVer\ = "Thunder.xunlei.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\ = "xunlei Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\InprocServer32\ = "C:\\Windows\\ZAYUOZBIDUJF.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\ = "Thunder 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CLSID\ = "{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\VersionIndependentProgID\ = "Thunder.xunlei"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\0\win32\ = "C:\\Windows\\ZAYUOZBIDUJF.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\CLSID\ = "{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\TypeLib\ = "{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\ = "xunlei Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\ = "xunlei Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ = "Ixunlei"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\ProgID\ = "Thunder.xunlei.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\ = "{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\HELPDIR\ = "C:\\Windows"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\ = "{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}"	regsvr32.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
2896	SteepleGrill.exe
2896	SteepleGrill.exe
4960	SteepleGrill.exe
4960	SteepleGrill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 1732	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	88
PID 2284 wrote to memory of 1732	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	88
PID 2284 wrote to memory of 1732	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	88
PID 2284 wrote to memory of 2896	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	90
PID 2284 wrote to memory of 2896	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	90
PID 2284 wrote to memory of 2896	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	90
PID 2284 wrote to memory of 4960	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	91
PID 2284 wrote to memory of 4960	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	91
PID 2284 wrote to memory of 4960	2284	0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0104aa1edc7c8743f89962fb026f1bd9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Windows\ZAYUOZBIDUJF.dll"
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1732
- C:\Users\Admin\AppData\Local\Temp\SteepleGrill.exe
  "C:\Users\Admin\AppData\Local\Temp\SteepleGrill.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:2896
- C:\Users\Admin\AppData\Local\Temp\SteepleGrill.exe
  C:\Users\Admin\AppData\Local\Temp\SteepleGrill.exe
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

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

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Downloads

CaulkHarridan.exe

Path C:\Program Files\CaulkLevitate\CaulkHarridan.exe
Size 76KB
SHA256 9601ec67be07f0d5addc2b9be632cb6932a01ce80a4ee3ecaf901bc915f2fa54
MD5 0104aa1edc7c8743f89962fb026f1bd9
SHA1 1247ab8e828086d87cf2bfc80c7621b9d70c5c5c
SHA512 47e9e3fec64b62ec8a7b40126430e121becbb0546a46a5f3ae92744ce622109e1689640212ced27b9937a225be098e70b48b9b4e3288a403823e6f18db55f470
SSDEEP 1536:ViHIcz+j0W2QA5v974JyZuCEB8SjAYTlOeTukAzciXvU:2Ii+jV2n7WyZuCkJ0DSSU
MD5 SHA1 SHA512 SSDEEP

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SteepleGrill.exe

Path C:\Users\Admin\AppData\Local\Temp\SteepleGrill.exe
Size 28KB
SHA256 683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6
MD5 6697555ead62e6b9fb71a0ffb6d62992
SHA1 55b57b52fe0d4af8716db57a98ab011b1dbe4181
SHA512 36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8
SSDEEP 192:8q1S/rS1EjyGeYqLNdXhkTefhUhpaOQ514LYXYC4i/w8cYbaoAaS0VboAakBC1oQ:8SJYqLNdXh3KtQ51z/w8cYbxq91wUbL
MD5 SHA1 SHA512 SSDEEP

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ZAYUOZBIDUJF.dll

Path C:\Windows\ZAYUOZBIDUJF.dll
Size 108KB
SHA256 f9057e3caaa936a0ac41fcd3057040db673467e1dac221ea10161f600272a89e
MD5 44565063860389f832de002fbe696238
SHA1 a64475b80c03d42e476011ed2799c9861ac7a81a
SHA512 52b06ca95db4432ca4ac74bce4a9c85933cb7051cd046d13c007c0d34ea7e3e1d486867296ac07200d1134f3aff499def07cd23f63d3c825bedbf785810ed8fe
SSDEEP 1536:p+wYxJ5addLeHIcz+j0W2QA5v974JyZuCEB8SjAYTlOeTukAzciXvU:p+7xJ5aDQIi+jV2n7WyZuCkJ0DSSU
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads