xmrig | 663f3085cac7b5d39ea1d42ed58d0636750f60ff2e32e92dedfb266f7947587c

General

Target

898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe
Size

784KB
MD5

898a3309858c7a9bfddc521bcf40dcd4
SHA1

6c4930cb11c5e12f0ca27a55f6b3e99337c3e026
SHA256

663f3085cac7b5d39ea1d42ed58d0636750f60ff2e32e92dedfb266f7947587c
SHA512

07798f95aea8eeb3295925c853e7e37488cc762b7cb71957b7439372d98b928715a27d8f8a88176d1c4ad7d3b17455997dc190a9bdcef45b0c305e084f247ae1
SSDEEP

24576:BbHLCB/cfHdOz4x03It3tmWtEwyoDTCeig5:lL4AHEE03IdpHFDTCX4

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/2660-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2660-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2708-32-0x0000000003150000-0x00000000032E3000-memory.dmp	xmrig
behavioral1/memory/2708-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2708-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2708-33-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2708	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2660-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000b0000000122cf-15.dat	upx
behavioral1/memory/2708-16-0x0000000000400000-0x0000000000712000-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	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe
2708	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2708	2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe	31
PID 2660 wrote to memory of 2708	2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe	31
PID 2660 wrote to memory of 2708	2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe	31
PID 2660 wrote to memory of 2708	2660	898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2708

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\898a3309858c7a9bfddc521bcf40dcd4_JaffaCakes118.exe

Filesize
784KB

MD5
581cd0de910303dbd0ee5a32ec88170a

SHA1
c4536a4dd379d7883e7434686b9f4e7a13dd2166

SHA256
237cb24b6114cf439d39f824a322bc1bd077cc0a9c945b7062c1c7c7e94d46d2

SHA512
dbb5d0c771491664b5a4faa2d2eabf9c27559e318eda77a9a8227be951cc37dad17aa9ed4b61ee01061ffe10b8f982dd2e39236f42111b589ec03b5bf6f04b2a

Download Submit
memory/2660-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2660-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2660-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2660-9-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2660-34-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2708-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2708-17-0x00000000002A0000-0x0000000000364000-memory.dmp

Filesize
784KB

Download
memory/2708-32-0x0000000003150000-0x00000000032E3000-memory.dmp

Filesize
1.6MB

Download
memory/2708-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2708-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2708-33-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing