xmrig | e52b2b297c27a9aea9365070db41c2929b275f0754ed102553bf9915c19d1d84

General

Target

68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe
Size

784KB
MD5

68944b16bb940e7836a27f0600a956e2
SHA1

49584d3422b70eb27703e5957f1f4f794a1962c2
SHA256

e52b2b297c27a9aea9365070db41c2929b275f0754ed102553bf9915c19d1d84
SHA512

3ba2ae783d2da7cf6c5edf943b51fdef361e9829bf1b2b71adcd2fec87c9a0137ee94635c82c48acdfc1535f856ed253dee7b252946954c19642ba723f25494e
SSDEEP

12288:WHYFYwXq/Nq3/5dfMm4nO/IoUJnkzalFthqO+DOgko7Vi6J5dJESvPOMg3QoB5:u+KNq3B2XnO/IozMhoCPo7Y6J/nnOS

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/1976-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1976-16-0x00000000031F0000-0x0000000003502000-memory.dmp	xmrig
behavioral1/memory/1976-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1984-33-0x0000000003120000-0x00000000032B3000-memory.dmp	xmrig
behavioral1/memory/1984-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/1984-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1984-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/1984-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
1984	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1976-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-15.dat	upx
behavioral1/memory/1984-17-0x0000000000400000-0x0000000000712000-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	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe
1984	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1984	1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe	31
PID 1976 wrote to memory of 1984	1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe	31
PID 1976 wrote to memory of 1984	1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe	31
PID 1976 wrote to memory of 1984	1976	68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:1984

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\68944b16bb940e7836a27f0600a956e2_JaffaCakes118.exe

Filesize
784KB

MD5
80c1e8a0707696725c34b8e2926cb251

SHA1
a2c9f213800c7aae44ff13eafd2891e054117aa6

SHA256
1119b0538aad667757dbb57d4f5cb410b4bf809fb0d44a9dbc6761903e9867e8

SHA512
3d8cf27523a084fc09cb12e9a2602967261b514d3c8c9aa05ed5b1e6086bfe1f9ac221382ed1fb3d767f837b06f5b4fb2c737f4bd5f761fa8676a2cb0894c2e4

Download Submit
memory/1976-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1976-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1976-5-0x0000000000310000-0x00000000003D4000-memory.dmp

Filesize
784KB

Download
memory/1976-16-0x00000000031F0000-0x0000000003502000-memory.dmp

Filesize
3.1MB

Download
memory/1976-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1984-33-0x0000000003120000-0x00000000032B3000-memory.dmp

Filesize
1.6MB

Download
memory/1984-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/1984-23-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/1984-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1984-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1984-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/1984-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing