xmrig | 7a699bb5c7ce0dfde2fb1bdcb7648d0f9d9c255d8f612cf5b4a538067d25ee84

General

Target

a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe
Size

2.3MB
MD5

43ff46d08b2d97a2e813f9fdf1cc27f9
SHA1

6de12c5c3fa3df65df954ba504173e80964edd89
SHA256

a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be
SHA512

a84da2961acfcfac04cff1becdc8765d77367a7b6ddcb16854861ffbf1ca5f65ebc4a97437f7eadeca599a5f9e38d88ba99b6e3a8ed59bf2b02d70b051f23815
SSDEEP

49152:EZ1kBbIu6btDpf8nedLNvG5hN7beNDSJtsK2e/QdNkodLj0A2ZbC:Gkts8nezqhJbSD8F/SuJC

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 6 IoCs

miner

resource	yara_rule
behavioral1/memory/2548-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2548-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/632-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/632-32-0x0000000003220000-0x00000000033B3000-memory.dmp	xmrig
behavioral1/memory/632-33-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/632-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
632	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

Executes dropped EXE 1 IoCs

pid	Process
632	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2548-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00090000000120f9-16.dat	upx
behavioral1/memory/2548-15-0x0000000003560000-0x0000000003872000-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	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe
632	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 632	2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe	30
PID 2548 wrote to memory of 632	2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe	30
PID 2548 wrote to memory of 632	2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe	30
PID 2548 wrote to memory of 632	2548	a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe	30

C:\Users\Admin\AppData\Local\Temp\a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe
"C:\Users\Admin\AppData\Local\Temp\a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe
  C:\Users\Admin\AppData\Local\Temp\a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:632

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\a86f2c2a5dbbb7081a7e2682b190e6a5790dcf4c9dce040e2e037fd16d3295be.exe

Filesize
784KB

MD5
24147a18802f90bcde1c16485d605861

SHA1
2a6fd3a7d9dcc29dc5e3c13317c442308f9f1fdc

SHA256
f399512dbe1470b06a9a7da76cffef30bd8e62ce081951cc95544f3d7455ea25

SHA512
c85875bdbe79989d6d1b2bac3af28bbf21f6aa30e6d19591306899bf4b39e40f39a3d58c886788ec376f952f5b8267c79be18f04923215451faf1efcf0bc92dc

Download Submit
memory/632-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/632-17-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/632-32-0x0000000003220000-0x00000000033B3000-memory.dmp

Filesize
1.6MB

Download
memory/632-33-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/632-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2548-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2548-3-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2548-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2548-15-0x0000000003560000-0x0000000003872000-memory.dmp

Filesize
3.1MB

Download
memory/2548-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing