xmrig | 4e161de8be219278c23285de18322343ec26c36384e151a07ead89d7871f30e3

General

Target

fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe
Size

1.5MB
MD5

fb816af0acb529654d24f03f2b6fa774
SHA1

7c1b53d32e9941e0c5f58d05a6627ed7940b4d58
SHA256

4e161de8be219278c23285de18322343ec26c36384e151a07ead89d7871f30e3
SHA512

494a857113cebf08d76fbb834b451af958dd703052d4e039685211e732435dd342f008b682c67e6e0355173dd89e458c242e2c28899b6e22a8d5ef0c8f5cb676
SSDEEP

24576:4tc+WC6gERVtOshMfpU+/Bnw7GQSU/DYWd7B4Tn78P2APC+T1RoDVLvar:4tVR6rPKnw7GQSU7YWdB4jP+Ts

Score

10^/10

xmrig discovery miner upx

Malware Config

Signatures

Xmrig family
xmrig
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/2656-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2656-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2656-25-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2656-24-0x0000000003110000-0x00000000032A3000-memory.dmp	xmrig
behavioral1/memory/2656-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1544-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1544-12-0x0000000003560000-0x0000000003872000-memory.dmp	xmrig
behavioral1/memory/1544-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2656	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0007000000012117-16.dat	upx
behavioral1/memory/1544-0-0x0000000000400000-0x0000000000712000-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	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe
2656	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2656	1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe	30
PID 1544 wrote to memory of 2656	1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe	30
PID 1544 wrote to memory of 2656	1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe	30
PID 1544 wrote to memory of 2656	1544	fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2656

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

C:\Users\Admin\AppData\Local\Temp\fb816af0acb529654d24f03f2b6fa774_JaffaCakes118.exe

Filesize
784KB

MD5
f27c8dc59500c0e74f515335c73a17d9

SHA1
8869d5fb4288cbd00eb2a0ac43a995e198a673d5

SHA256
2d5260a3a4b4b6c5161e6ea33a70eb875380eeeef94e78b065b78749686fd6b5

SHA512
d4de0c087d1f90f23d0ba09ecf5824e41e945997488bdeb5b908a1dd18b862229cd593dc152d43b675f752d5a3d246bc8414ee95600744e4002133ea19989f90

Download Submit
memory/1544-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1544-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/1544-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1544-12-0x0000000003560000-0x0000000003872000-memory.dmp

Filesize
3.1MB

Download
memory/1544-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2656-24-0x0000000003110000-0x00000000032A3000-memory.dmp

Filesize
1.6MB

Download
memory/2656-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2656-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2656-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2656-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2656-25-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2656-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download

Analysis

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