b9cd6d03bb38db9e98f972aef2fcc4fae833e7c2a4568d91db926762e1102e6a

General

Target

f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe
Size

207KB
MD5

f0a8e89d37489c767fe81ca84f3dc1f0
SHA1

e5678bf3f1f72e1fb1eeac4beed5b794e2666752
SHA256

b9cd6d03bb38db9e98f972aef2fcc4fae833e7c2a4568d91db926762e1102e6a
SHA512

0cc5453708521ca3660206e2f6e11c41ca1b5d4ea0aaa38a8bd76813ffa5a110540ff8d8a7d5f1bf45a124c7eaa205211aa851c9ee0c4408d3541aa698b56e76
SSDEEP

6144:BVFHjgNOglWhPuxCm/9QRPcvkLLbXlrSk1Eg3lOb:BVFDgJlWtuAbUMLLBrSkzE

Score

8^/10

persistence upx

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\DarkstSer\Parameters\ServiceDll = "C:\\Windows\\system32\\System64.dll"	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
4720	svchost.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4632-0-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/4632-1-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/4632-3-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/4632-5-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/4632-6-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/3100-13-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/3100-18-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/4632-19-0x0000000000400000-0x00000000004B1000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\System64.dat	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\System64.dll	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KMe.bat	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 3100	4632	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe	90
PID 4632 wrote to memory of 3100	4632	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe	90
PID 4632 wrote to memory of 3100	4632	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe	90
PID 3100 wrote to memory of 3964	3100	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe	92
PID 3100 wrote to memory of 3964	3100	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe	92
PID 3100 wrote to memory of 3964	3100	f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Users\Admin\AppData\Local\Temp\f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f0a8e89d37489c767fe81ca84f3dc1f0_JaffaCakes118.exe -Nod32
  2⤵
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\KMe.bat
    3⤵
    PID:3964

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netservice
1⤵
- Loads dropped DLL
PID:4720

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4848 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:4284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\KMe.bat

Filesize
100B

MD5
fa033364bf3af37fe9d541226ca52cb3

SHA1
5821af55f637a5dd59b71cd0d8c20f2fe5bd0be0

SHA256
cbac49bfa98f36097eb77ee8466dcf39264770430fa844e5e4027f9a11bee296

SHA512
f681693a8b2314f1ca877835092a38e649d65fd4fdd673fa1d9185ddfe3c87a9cec4cfdc2cf7aed0bde2bf2cf191c88483fba0f78b1c49c8ed6297d6e29de68f

Download Submit
C:\Windows\SysWOW64\System64.dat

Filesize
162B

MD5
7ffbd4323ca9d38929f19bb1e5446a18

SHA1
5d279f38b8f93ca229614203221cc90b340523c3

SHA256
2b5542608b81bb7ece033f336a7acc01ee0d9f951ddfa8a5b6e9c8810ea35f3e

SHA512
7879ffcc95e8b3a7e543d25db7ea693849e0327779157e4857302bcd9a354fb92246bcac9e70127224d261feb2e3cfd860aec980d8bb29a90fc044099f843010

Download Submit
\??\c:\windows\SysWOW64\system64.dll

Filesize
356KB

MD5
db5860a33597ab0c07dfc1db63ae2f18

SHA1
090ef07a72a2abb760a93cd91843c40830f28bbc

SHA256
fe0111deb680994a2cec676d7a31b70dc1b3f36d54db41046b8f1be5862353b1

SHA512
1d37e5df05f04b88f1c46e08de173bd8d9e67035104d07b15ab8064055c98371ccf962408665a32941e9604df69453de84d0d6a21b72f3ce1fe1c5d6d2ff96a0

Download Submit
memory/3100-13-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3100-18-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4632-0-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4632-1-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4632-3-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4632-5-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4632-6-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4632-19-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4720-23-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-29-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-24-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-25-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-26-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-27-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-28-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-22-0x00000000019D0000-0x00000000019D1000-memory.dmp

Filesize
4KB

Download
memory/4720-30-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-31-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-32-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-33-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-34-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-35-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4720-36-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads