xmrig | 3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97a

General

Target

3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
Size

1.8MB
MD5

758b6b15396a7ca03bc798343a36d1b0
SHA1

5d7aeaec133d658b6c9545ef1a4da85ba9863b6a
SHA256

3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97a
SHA512

12bb9609c666c4f7a5d40ba46399a78c35c01402f166199300ffabd65ce26c23a5e5b8cc2ce7da53c7778c25873eadf1b43d1a4fb2537ebab3df495d6a26fa7a
SSDEEP

49152:3JypKilsPbk1o4W7BtN2vYeTgcImmvUEGh/Kv:QpKilsJVzNYYeUjsEGhCv

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 7 IoCs

miner

resource	yara_rule
behavioral2/memory/4920-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/4920-13-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/1576-22-0x00000000257D0000-0x0000000025963000-memory.dmp	xmrig
behavioral2/memory/1576-23-0x0000000000400000-0x0000000000582000-memory.dmp	xmrig
behavioral2/memory/1576-28-0x0000000025AF0000-0x0000000025C72000-memory.dmp	xmrig
behavioral2/memory/1576-29-0x0000000000400000-0x000000000057C000-memory.dmp	xmrig
behavioral2/memory/1576-38-0x0000000000400000-0x0000000000A7A000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
1576	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Executes dropped EXE 1 IoCs

pid	Process
1576	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4920-0-0x0000000000400000-0x0000000000A7A000-memory.dmp	upx
behavioral2/files/0x000c000000023b7e-11.dat	upx
behavioral2/memory/1576-14-0x0000000000400000-0x0000000000A7A000-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	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4920	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	1576	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
Token: SeLockMemoryPrivilege	1576	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4920	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
1576	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1576	4920	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	85
PID 4920 wrote to memory of 1576	4920	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	85
PID 4920 wrote to memory of 1576	4920	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	85

C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
"C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
  C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  PID:1576

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\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Filesize
1.8MB

MD5
6149b4f0051342936c6b700dd2866cff

SHA1
1be896d9af2b78e564d66066e963f4c7256ee3b6

SHA256
944fb50b5bed0574a872f609d717a6a2e254b7620225a231181b8b8f6b7c5661

SHA512
42a83561ce40af7d94dbba3ca401d6983dee7d5d0fc1bd83420d42cf0c4e72f993e55ce3e144462e584366628eaae4d6a304babdbfa9e517856aa1ebe125405c

Download Submit
memory/1576-14-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/1576-21-0x0000000021DF0000-0x0000000021F8E000-memory.dmp

Filesize
1.6MB

Download
memory/1576-22-0x00000000257D0000-0x0000000025963000-memory.dmp

Filesize
1.6MB

Download
memory/1576-23-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/1576-28-0x0000000025AF0000-0x0000000025C72000-memory.dmp

Filesize
1.5MB

Download
memory/1576-29-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/1576-38-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/4920-0-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/4920-1-0x0000000021E20000-0x0000000021FBE000-memory.dmp

Filesize
1.6MB

Download
memory/4920-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/4920-13-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing