xmrig | cf11bff110fd0c97987fd66ad1ccf3d4da79af1bc2b532df8ef64b7eaff8d174

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 03:03

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General

Target

fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe
Size

784KB
MD5

fbc9755f90c014de6792506d1e7ded3d
SHA1

738c1c0028a13b2b3af75dce231e0bf2317459c1
SHA256

cf11bff110fd0c97987fd66ad1ccf3d4da79af1bc2b532df8ef64b7eaff8d174
SHA512

9de10094c27308e052c8706f1431e430acb9b177e5bc407698866ea4b006cfeb95a78d3785eaf21830e98e415e37f9281c653ac3c9d3b5905f6172d80c329cfc
SSDEEP

12288:zenLtsWghSCb6Go7VbkU92TofIUwkpOYr5amm8sdHUrmutq3I/9EXlSC20NZvI:zFhnVoVbk4DIUjpbt61d0rbECWo

Score

10^/10

xmrig miner upx

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 6 IoCs

miner

resource	yara_rule
behavioral1/memory/1848-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1848-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2944-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2944-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2944-26-0x0000000003290000-0x0000000003423000-memory.dmp	xmrig
behavioral1/memory/2944-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2944	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1848-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000a0000000143fa-10.dat	upx
behavioral1/memory/1848-15-0x0000000003230000-0x0000000003542000-memory.dmp	upx
behavioral1/memory/2944-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe
2944	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2944	1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe	29
PID 1848 wrote to memory of 2944	1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe	29
PID 1848 wrote to memory of 2944	1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe	29
PID 1848 wrote to memory of 2944	1848	fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2944

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\fbc9755f90c014de6792506d1e7ded3d_JaffaCakes118.exe

Filesize
784KB

MD5
109cdbabf4e8a6b759b9dabd5d414617

SHA1
01b73f109c25c89e4c600af66a772d038e40c6bf

SHA256
f757bbff61162fbe6e573b1c634042957eb9de34cb57821907d21219df458f6d

SHA512
a7f35f298708e147f870903d190b78df35d2ed81c604a38b28b6ec427e1831d3774bf548e900299e8a03fab35117a2db7f68a7d1f4c991051293c5eea32b9f7c

Download Submit
memory/1848-35-0x0000000003230000-0x0000000003542000-memory.dmp

Filesize
3.1MB

Download
memory/1848-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1848-6-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/1848-15-0x0000000003230000-0x0000000003542000-memory.dmp

Filesize
3.1MB

Download
memory/1848-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1848-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2944-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2944-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2944-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2944-26-0x0000000003290000-0x0000000003423000-memory.dmp

Filesize
1.6MB

Download
memory/2944-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2944-19-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download