xmrig | b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc

General

Target

b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe
Size

1.8MB
MD5

0339615b36546e2f4a841d78bc0d9ac7
SHA1

c6c7ff27d92059c8b54d59b6d6ce4bebd1bd3d6f
SHA256

b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc
SHA512

8176e1594fa80e544af2750b7521c105d5a474b1e14144bf1c2862b68bbb27634bc4e163e4e6202371d4fd4ecd6a39a1663c5315df1a4b96e4d4c9b145c7a5a8
SSDEEP

49152:IUcbgcemY756QCfseyl9xyEPUWzb7AwuKegTNz5bh/Kn:IW9mY7Z99xVPUWzb87KxTNdbhCn

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/2612-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2612-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2920-30-0x0000000023870000-0x0000000023A03000-memory.dmp	xmrig
behavioral1/memory/2920-24-0x0000000000400000-0x0000000000582000-memory.dmp	xmrig
behavioral1/memory/2920-33-0x0000000000400000-0x000000000057C000-memory.dmp	xmrig
behavioral1/memory/2920-32-0x0000000023A10000-0x0000000023B92000-memory.dmp	xmrig
behavioral1/memory/2920-42-0x0000000000400000-0x000000000057C000-memory.dmp	xmrig
behavioral1/memory/2612-43-0x0000000023580000-0x0000000023BFA000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2920	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

Loads dropped DLL 1 IoCs

pid	Process
2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2612-0-0x0000000000400000-0x0000000000A7A000-memory.dmp	upx
behavioral1/memory/2612-17-0x0000000023580000-0x0000000023BFA000-memory.dmp	upx
behavioral1/files/0x000e000000012261-16.dat	upx
behavioral1/memory/2920-29-0x0000000000400000-0x0000000000A7A000-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	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe
2920	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2920	2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe	31
PID 2612 wrote to memory of 2920	2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe	31
PID 2612 wrote to memory of 2920	2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe	31
PID 2612 wrote to memory of 2920	2612	b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe	31

C:\Users\Admin\AppData\Local\Temp\b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe
"C:\Users\Admin\AppData\Local\Temp\b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Local\Temp\b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe
  C:\Users\Admin\AppData\Local\Temp\b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2920

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\b8ffde7244875502c84f47bfc8f5a76a122afee3d83c7e5dfc12c12c92fe04fc.exe

Filesize
1.8MB

MD5
4276f38d23828f0da889783ad91e8aa7

SHA1
ab7f63d57eb69be7fe18a7604b39e3a64ced865d

SHA256
8cd184f0b4c1eaab180782db10bf3a7cee9696bc2c0aa1848ab6d7a335baa7c6

SHA512
610f51b005720f80b327e967f521403744e97d7ab45a39d2302b029298040977f953645899e2b3a0cb0ec69df69205e8ac5765e7f931cb187130f356e235f01b

Download Submit
memory/2612-43-0x0000000023580000-0x0000000023BFA000-memory.dmp

Filesize
6.5MB

Download
memory/2612-8-0x0000000021C20000-0x0000000021DBE000-memory.dmp

Filesize
1.6MB

Download
memory/2612-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2612-17-0x0000000023580000-0x0000000023BFA000-memory.dmp

Filesize
6.5MB

Download
memory/2612-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2612-0-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2920-30-0x0000000023870000-0x0000000023A03000-memory.dmp

Filesize
1.6MB

Download
memory/2920-29-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2920-31-0x0000000021EA0000-0x000000002203E000-memory.dmp

Filesize
1.6MB

Download
memory/2920-33-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2920-32-0x0000000023A10000-0x0000000023B92000-memory.dmp

Filesize
1.5MB

Download
memory/2920-42-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2920-24-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download

Analysis

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