xmrig | fca4bd55b7e4833178f77b4bacca676d8ec3a164a7cdc15342b0be1d438ea63c

General

Target

ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe
Size

784KB
MD5

ff41b309fc47fae3e1107b25bc733ab2
SHA1

c97705e24a5038b6a0a7d0afeb8499aa9e53f861
SHA256

fca4bd55b7e4833178f77b4bacca676d8ec3a164a7cdc15342b0be1d438ea63c
SHA512

581b04d7c3384a4cabdd58a7cd1da127be79ac46efafd6ee20ca2f7360cff07f54313d60d0bea0ba9f1ca6bf7a9d6718bbcf276763785f3874242c0ea69e457a
SSDEEP

12288:4IiBB80tOWrPkBFz+zaMnbAZdL0BA7vGb3/rctAKxfkR3N0i62XUXW7Amd:4ho6qYaIbyUA7GCdVkrO2XUXW7Am

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 7 IoCs

miner

resource	yara_rule
behavioral1/memory/2736-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2736-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2780-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2780-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2780-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2780-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2780-32-0x00000000030D0000-0x0000000003263000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2780	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2736-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000a00000001227e-15.dat	upx
behavioral1/memory/2780-16-0x0000000000400000-0x0000000000712000-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	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe
2780	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2780	2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe	31
PID 2736 wrote to memory of 2780	2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe	31
PID 2736 wrote to memory of 2780	2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe	31
PID 2736 wrote to memory of 2780	2736	ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2780

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\ff41b309fc47fae3e1107b25bc733ab2_JaffaCakes118.exe

Filesize
784KB

MD5
719aff8527b784ee0156de752db4b0ce

SHA1
a6c7bff169e79585f710f355b5ab6cad839e426b

SHA256
e59d5f70ed3ae282f6db9463339b76f31f18fe2c9a1537499541ffc229f99128

SHA512
533d89dfad24fddb85847e6cf7b896139f919956ec5f733ec7c78c16654d98e8274bbad290090ba7fd52f4c92706f79810dee0300ae46633de35eeda6d464c36

Download Submit
memory/2736-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2736-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2736-2-0x0000000000320000-0x00000000003E4000-memory.dmp

Filesize
784KB

Download
memory/2736-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2780-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2780-17-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2780-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2780-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2780-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2780-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2780-32-0x00000000030D0000-0x0000000003263000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing