xmrig | b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51

General

Target

b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe
Size

784KB
MD5

d76e89a7c5c2a086fe90a63248fafe20
SHA1

da24e19d489a4d6fb922b5f9941fff41b6b482ff
SHA256

b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51
SHA512

b8eaea19793ecba9e9d6f8fa05653e10f2c281520188291fb55827bf3b2e9624e0e2ccd8021a966bf442a635604b599a8187b30fd24f85de48c73b9d80e0625d
SSDEEP

24576:Kui00r1ZiF7laijB63sXzzUeD0QljdC+rDg:PBUMl5jBEsTljdv

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/2120-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2120-15-0x0000000003150000-0x0000000003462000-memory.dmp	xmrig
behavioral1/memory/2120-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2556-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2556-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2556-33-0x00000000031F0000-0x0000000003383000-memory.dmp	xmrig
behavioral1/memory/2556-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2120-35-0x0000000003150000-0x0000000003462000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2556	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

Executes dropped EXE 1 IoCs

pid	Process
2556	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2556-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0007000000012101-16.dat	upx
behavioral1/memory/2120-15-0x0000000003150000-0x0000000003462000-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	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe
2556	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2556	2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe	31
PID 2120 wrote to memory of 2556	2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe	31
PID 2120 wrote to memory of 2556	2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe	31
PID 2120 wrote to memory of 2556	2120	b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe	31

C:\Users\Admin\AppData\Local\Temp\b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe
"C:\Users\Admin\AppData\Local\Temp\b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Temp\b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe
  C:\Users\Admin\AppData\Local\Temp\b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2556

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\b8256728f8ecd9a2c65b1f9788dacc0052391efbf4cb9bb7ef3c109540be0a51N.exe

Filesize
784KB

MD5
665cb0a4f19a2f6fc987645583d2e9a3

SHA1
b5adcbca989141e16676da096abe4775796efc61

SHA256
0c789031d210bf6b45a35c135db11ebda2a98b1ebd702483cbb61b6ab06bf81c

SHA512
70dd2daa7773f0a3c6634eee3174c0f3d8d73de8560eddf33bdf93a21439fff2e4ec33eb1f0dd7339af3c17e54a5a2230a79670229e5fa8ee3c8f6ed04d1cd36

Download Submit
memory/2120-35-0x0000000003150000-0x0000000003462000-memory.dmp

Filesize
3.1MB

Download
memory/2120-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2120-2-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/2120-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2120-15-0x0000000003150000-0x0000000003462000-memory.dmp

Filesize
3.1MB

Download
memory/2120-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2556-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2556-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2556-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2556-33-0x00000000031F0000-0x0000000003383000-memory.dmp

Filesize
1.6MB

Download
memory/2556-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2556-18-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download

Analysis

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