xmrig | d6041c64f725109013ea6d3ed8f4a260abf709c8e4162b829c5f767966a14e96

General

Target

81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe
Size

784KB
MD5

81c9f60d69acb735bc0d778646cded12
SHA1

9abfc18b9961df0dc08b44c683273ea3667d4e7e
SHA256

d6041c64f725109013ea6d3ed8f4a260abf709c8e4162b829c5f767966a14e96
SHA512

838ac25e4f90a1586091512011cd444782b043acbfd080c2c3f2305aea8cc90a1ce3aa94aa1c9f3ca5f045feca101ace3d21095f2269d6ae530c4dec25ce2000
SSDEEP

24576:u1WD0V9fG/jK4eH88eYOism4/NopG/V4wQBYi:u0D+9um188VapFXSwQh

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 7 IoCs

miner

resource	yara_rule
behavioral1/memory/2832-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2832-32-0x00000000030A0000-0x0000000003233000-memory.dmp	xmrig
behavioral1/memory/2832-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2832-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2832-17-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2412-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2412-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2832	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2832-16-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00070000000120fe-15.dat	upx
behavioral1/memory/2412-0-0x0000000000400000-0x0000000000712000-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	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe
2832	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2832	2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe	31
PID 2412 wrote to memory of 2832	2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe	31
PID 2412 wrote to memory of 2832	2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe	31
PID 2412 wrote to memory of 2832	2412	81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2832

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\81c9f60d69acb735bc0d778646cded12_JaffaCakes118.exe

Filesize
784KB

MD5
d38f2d642b774a9453ef152fd6fc38ff

SHA1
2489fcff4e49e4ea2274193ba9b6b7ead048562a

SHA256
232fa9f978f2ebb884f9901e41cb02ceb98aae62331161adf66b3decb3d84960

SHA512
867464c922976411a1f10cb9ddd62ea51d00dc75bc9708899d5aeaad5af75e10fde6c14b3ac88dbecc982d19d8cff46b2e328aa9e427c21a4243d6da52917c59

Download Submit
memory/2412-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2412-9-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2412-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2412-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2832-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2832-32-0x00000000030A0000-0x0000000003233000-memory.dmp

Filesize
1.6MB

Download
memory/2832-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2832-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2832-17-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2832-22-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2832-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing