xmrig | 4f7c155436d352eebc4f307325968d8fc5178bd6cb9a6ddfc91ad6cd08abc8b1

General

Target

a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe
Size

1.5MB
MD5

a88fe6aefa0410f67fc2b22bdd7c0801
SHA1

3845f0f3dbf41abaa0fb559bad6b771792d6da29
SHA256

4f7c155436d352eebc4f307325968d8fc5178bd6cb9a6ddfc91ad6cd08abc8b1
SHA512

eeb77f3257c5aac7882a6f65929f53b1373fa241defdfd61d8d2acbff089c6f69da5a6cde96235750c6b563813ba418bccc107b7e50344fbc0b9ca60521dde8e
SSDEEP

24576:qE+C9voDVoFjmdjJZy9OnpsKMfY9+1z4XYQg5/IZXXkFyBZrG++vqap7FN2qsc:qBqvvdmdK4sKgE+1soQg5AZrbyhvqa9

Score

10^/10

xmrig discovery miner upx

Malware Config

Signatures

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

XMRig Miner payload 8 IoCs

miner

resource	yara_rule
behavioral1/memory/2200-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2200-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2200-12-0x0000000003420000-0x0000000003732000-memory.dmp	xmrig
behavioral1/memory/2596-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2596-27-0x0000000003050000-0x00000000031E3000-memory.dmp	xmrig
behavioral1/memory/2596-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2596-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2596-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2596	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2200-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00090000000120f1-10.dat	upx
behavioral1/memory/2200-12-0x0000000003420000-0x0000000003732000-memory.dmp	upx
behavioral1/memory/2596-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe
2596	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2596	2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe	29
PID 2200 wrote to memory of 2596	2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe	29
PID 2200 wrote to memory of 2596	2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe	29
PID 2200 wrote to memory of 2596	2200	a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\a88fe6aefa0410f67fc2b22bdd7c0801_JaffaCakes118.exe

Filesize
784KB

MD5
2bb9572d276936e403c2633900d1395a

SHA1
81995681d950277bc8082db95390882a80bae7e1

SHA256
8e67e9167e30b3f45e02a20dbffec1f778fe482dc1044165bc91ba9138ae6b32

SHA512
157d60cf0d92aae49f1920033d11bc52b4d084983484ba8e0be77ffb3e65fd2f076d32b75c644e7975d9317807c68a9c6c1cdb76f73016dfbcc5d31d96788cd6

Download Submit
memory/2200-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2200-1-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2200-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2200-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2200-12-0x0000000003420000-0x0000000003732000-memory.dmp

Filesize
3.1MB

Download
memory/2596-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2596-18-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/2596-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2596-27-0x0000000003050000-0x00000000031E3000-memory.dmp

Filesize
1.6MB

Download
memory/2596-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2596-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2596-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download

Analysis

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