xmrig | de4c8fe30c4fc904f2b7f50ccf7092783e6056453eb43b2f905c9b5b50062e42

General

Target

6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe
Size

784KB
MD5

6842bbf2dc32dea2213de2dbf03f0e44
SHA1

e981d2935f0b20f9078b986ca03f3f0e9df8ac60
SHA256

de4c8fe30c4fc904f2b7f50ccf7092783e6056453eb43b2f905c9b5b50062e42
SHA512

0b9c9c47ee4a5a6b028a0e6609103e0fe47e6c6b8f627613a2c88795b675bc08a47cb53f8b42c15f3ba867bd851ec5a46b8eb13f2853356e6c50e056d5a377b6
SSDEEP

12288:HnEyrrDlSpkXeoh9skBAzIY83fRgQaqNjm1bFHq6qBS8N:/DoGpsSaIH3fNLNCFHDqcI

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 8 IoCs

miner

resource	yara_rule
behavioral1/memory/2488-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2488-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2368-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2368-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2368-33-0x0000000002FD0000-0x0000000003163000-memory.dmp	xmrig
behavioral1/memory/2368-32-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2368-22-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2488-35-0x0000000003250000-0x0000000003562000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2368	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2368	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2488-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000900000001227c-15.dat	upx
behavioral1/memory/2488-16-0x0000000003250000-0x0000000003562000-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	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe
2368	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2368	2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe	30
PID 2488 wrote to memory of 2368	2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe	30
PID 2488 wrote to memory of 2368	2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe	30
PID 2488 wrote to memory of 2368	2488	6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2368

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\6842bbf2dc32dea2213de2dbf03f0e44_JaffaCakes118.exe

Filesize
784KB

MD5
9c58a1f75b000078ab67e8f4905820ca

SHA1
f5c063bde49a416fd423c11950997e175a019a3a

SHA256
f426fcdb05f15691194ac549262fdf2693f3ab0b5b8dada0bf673d2cb7845583

SHA512
20f7327b9fcd633826aa8500704c4e49d4d2a524b34ef1189cac0d2113aab707f4ce9a55937844ca524afb98381bb3e7bd9fb630a428c97c9dce1a1ff2c7dedd

Download Submit
memory/2368-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2368-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2368-33-0x0000000002FD0000-0x0000000003163000-memory.dmp

Filesize
1.6MB

Download
memory/2368-32-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2368-22-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2368-31-0x0000000000310000-0x00000000003D4000-memory.dmp

Filesize
784KB

Download
memory/2488-6-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2488-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2488-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2488-16-0x0000000003250000-0x0000000003562000-memory.dmp

Filesize
3.1MB

Download
memory/2488-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2488-35-0x0000000003250000-0x0000000003562000-memory.dmp

Filesize
3.1MB

Download

Analysis

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