xmrig | 13d93002f40e868171059c121509f16f38910f5c90b29f5931375995cc072c6d

General

Target

a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
Size

784KB
MD5

a1c0655c8797b178b9246e1ca5c83919
SHA1

8cadcece9f230037fb73ca03c19f7bac7ea9e4b6
SHA256

13d93002f40e868171059c121509f16f38910f5c90b29f5931375995cc072c6d
SHA512

e335e32bd8c6c66bdd4362af43d5af5c66798b3fb1d1aa1e9c6ab0ac2a68bf6a69bc568408235d9358440f31ebc203025d94ebd46df355801268fed40a27dc0d
SSDEEP

24576:hySYJNUEyMLdKk4petB3ojKOA7H2ZD3De7:Ul2MhlqK77HcDg

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 6 IoCs

miner

resource	yara_rule
behavioral1/memory/3008-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/3008-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2596-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2596-32-0x0000000003250000-0x00000000033E3000-memory.dmp	xmrig
behavioral1/memory/2596-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2596-33-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2596	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3008-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0005000000010300-16.dat	upx
behavioral1/memory/3008-15-0x00000000030E0000-0x00000000033F2000-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	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
2596	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2596	3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2596	3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2596	3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2596	3008	a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

Filesize
784KB

MD5
b6cf513f04ccfa7009628490be86f397

SHA1
133af3740a8388cda67d44c44bd99643031b4e7b

SHA256
739fd66cbfece532b658d8900892db9612bfa46c7d017baecd288dfec48fc1a7

SHA512
d6d05c32aa87ddf10eebe56b9ddb592a413e0492329e20279493b3c5bd3913f40082e1d2090475e5b48b22fe7f1dc0447eec6a0c86d62103a928783f54956357

Download Submit
memory/2596-17-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2596-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2596-32-0x0000000003250000-0x00000000033E3000-memory.dmp

Filesize
1.6MB

Download
memory/2596-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2596-33-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/3008-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3008-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3008-4-0x0000000000300000-0x00000000003C4000-memory.dmp

Filesize
784KB

Download
memory/3008-15-0x00000000030E0000-0x00000000033F2000-memory.dmp

Filesize
3.1MB

Download
memory/3008-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

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