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
behavioral1/memory/2840-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2840-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2804-32-0x0000000000400000-0x000000000057C000-memory.dmp	xmrig
behavioral1/memory/2804-42-0x0000000000400000-0x000000000057C000-memory.dmp	xmrig
behavioral1/memory/2804-41-0x0000000023A10000-0x0000000023B92000-memory.dmp	xmrig
behavioral1/memory/2804-31-0x00000000235F0000-0x0000000023783000-memory.dmp	xmrig
behavioral1/memory/2804-26-0x0000000000400000-0x0000000000582000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2804	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Loads dropped DLL 1 IoCs

pid	Process
2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2840-0-0x0000000000400000-0x0000000000A7A000-memory.dmp	upx
behavioral1/files/0x000b000000012029-13.dat	upx
behavioral1/memory/2804-18-0x0000000000400000-0x0000000000A7A000-memory.dmp	upx
behavioral1/memory/2840-16-0x00000000235F0000-0x0000000023C6A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
2804	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2804	2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	31
PID 2840 wrote to memory of 2804	2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	31
PID 2840 wrote to memory of 2804	2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	31
PID 2840 wrote to memory of 2804	2840	3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe	31

C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
"C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
  C:\Users\Admin\AppData\Local\Temp\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2804

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\3f76c88bc9ce6bec0f07d3e4df736ff1252522853c8348e50b2c4a25cf41d97aN.exe

Filesize
1.8MB

MD5
870cc068c2c46e22d1ce370e5c2fff2b

SHA1
bd2f268fd1cabfabe454bc193997f9da00045002

SHA256
acaa991055f1f9881aedbcf7dffa351d7449427a1f0da09b264b4436b6aecaf3

SHA512
8b223705b07514fe54e0d23d0512540bbd3248b5e85d1a6afb725cfe52742e76b89053c44f24c902d283935c4834acbb93b832b1fe013d6059d3e18dee981a55

Download Submit
memory/2804-42-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2804-19-0x0000000021C20000-0x0000000021DBE000-memory.dmp

Filesize
1.6MB

Download
memory/2804-18-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2804-32-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2804-41-0x0000000023A10000-0x0000000023B92000-memory.dmp

Filesize
1.5MB

Download
memory/2804-31-0x00000000235F0000-0x0000000023783000-memory.dmp

Filesize
1.6MB

Download
memory/2804-26-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/2840-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2840-4-0x0000000021C90000-0x0000000021E2E000-memory.dmp

Filesize
1.6MB

Download
memory/2840-16-0x00000000235F0000-0x0000000023C6A000-memory.dmp

Filesize
6.5MB

Download
memory/2840-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2840-0-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2840-43-0x00000000235F0000-0x0000000023C6A000-memory.dmp

Filesize
6.5MB

Download

Analysis

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