xmrig | f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081

General

Target

f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe
Size

1.5MB
MD5

cf4a38a1eaeedac726789436d5fbc2dc
SHA1

f345bb6be20f45901a0f16bef1aff2dcceabf60d
SHA256

f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081
SHA512

ac614860865bd2537bd90f7b0ab7d571b433c9881ab7bc625033ac3ae132d8893e935cc2b36cd95615d5ec70fd4e39fe5c76e38a80e58ca045ff5054e6524344
SSDEEP

49152:WcuGn6x1jXmAgYrkPCgS4XIjfKHl6zDUjxoILJNH:Jn6xJ2AgTCLw+GwPUjxoUp

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/1892-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1892-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2844-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2844-24-0x0000000003110000-0x00000000032A3000-memory.dmp	xmrig
behavioral1/memory/2844-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2844-25-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2844-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/1892-36-0x0000000003430000-0x0000000003742000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2844	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

Loads dropped DLL 1 IoCs

pid	Process
1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1892-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000c000000012268-10.dat	upx
behavioral1/memory/2844-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/1892-15-0x0000000003430000-0x0000000003742000-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	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe
2844	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2844	1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe	29
PID 1892 wrote to memory of 2844	1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe	29
PID 1892 wrote to memory of 2844	1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe	29
PID 1892 wrote to memory of 2844	1892	f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe	29

C:\Users\Admin\AppData\Local\Temp\f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe
"C:\Users\Admin\AppData\Local\Temp\f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Users\Admin\AppData\Local\Temp\f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe
  C:\Users\Admin\AppData\Local\Temp\f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2844

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

\Users\Admin\AppData\Local\Temp\f79434989502097bf2f90331428dc9edfbdb699bf0ac12b666c42c25229a0081.exe

Filesize
784KB

MD5
327077c3159a08ee9e3d5625319da623

SHA1
3a43926fe20f7650357252994ad9bd9ac70b1946

SHA256
f55c9cc8146d7e9e10858d00f47fe31e15188899615f71d805ba16dd5afee9b6

SHA512
6e02607ea5d817343508b0a72596565168eabdd452a847edffcfd58ffe63b7664deb1d3525eb99f6825bbe2d3c41d6ca78940abf5840fd5f2e750fd2ee254310

Download Submit
memory/1892-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1892-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1892-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/1892-15-0x0000000003430000-0x0000000003742000-memory.dmp

Filesize
3.1MB

Download
memory/1892-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1892-36-0x0000000003430000-0x0000000003742000-memory.dmp

Filesize
3.1MB

Download
memory/2844-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2844-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2844-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2844-24-0x0000000003110000-0x00000000032A3000-memory.dmp

Filesize
1.6MB

Download
memory/2844-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2844-25-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2844-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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