xmrig | ffa64a516193605b267e15ba135f854ff3cdbcd90ecdf9983784c40539bcd765

General

Target

fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe
Size

784KB
MD5

fc57580b06834b70e6e9bbb25accce5a
SHA1

b20decf33fc50a1d1267253ab2166fb06b467005
SHA256

ffa64a516193605b267e15ba135f854ff3cdbcd90ecdf9983784c40539bcd765
SHA512

9a90e0d7cd57cd6f0fb4ff83565d53b1f953ebfff03083a8b94165f6f4cc24fbbab86af5d58b9867159c2c265a687a246ec7b7c11592ad03e98c9ce7fab422ec
SSDEEP

12288:yf+iblHsaUhGsWfjSweVsWnXGvlfU4feFFsV8DR9sQtvcl1gE33aQb:yfhFagOptnilfXWbk8DR9fWl1l3pb

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/2664-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2664-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2736-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2736-32-0x0000000002FD0000-0x0000000003163000-memory.dmp	xmrig
behavioral1/memory/2736-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2736-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2736-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2736	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0007000000012115-12.dat	upx
behavioral1/memory/2736-16-0x0000000000400000-0x0000000000712000-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	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe
2736	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2736	2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2736	2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2736	2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2736	2664	fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2736

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\fc57580b06834b70e6e9bbb25accce5a_JaffaCakes118.exe

Filesize
784KB

MD5
3e75fb3d26d6ca93b132696444c3ccb4

SHA1
68c729167bed9083b5ea90b0c0b4909c1bad1423

SHA256
16a260e7a969177900df3e65a3118dfd0f89a81e59c2aab9382aee87612ccce3

SHA512
8d6479d86210ea5a93d1640f48cb42a6730b642ae67b01edc5147b78d5a737a386be32c6dc79ff09d031653002b1da13ebd53bb896dd1ec27dd8e2b19ca7380a

Download Submit
memory/2664-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2664-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2664-6-0x00000000002E0000-0x00000000003A4000-memory.dmp

Filesize
784KB

Download
memory/2664-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2736-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2736-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2736-17-0x0000000000330000-0x00000000003F4000-memory.dmp

Filesize
784KB

Download
memory/2736-32-0x0000000002FD0000-0x0000000003163000-memory.dmp

Filesize
1.6MB

Download
memory/2736-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2736-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2736-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing