xmrig | c51ebc308dfe059266a65c9de588b96cbc63ab01f879834e74f111a7526767a2

General

Target

b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
Size

784KB
MD5

b3c1eae0607ccf06f34c2e23be6f3ca1
SHA1

dcaee32416ee150cd266ff55abd64ac604010f35
SHA256

c51ebc308dfe059266a65c9de588b96cbc63ab01f879834e74f111a7526767a2
SHA512

bef897b4c87f5a10f12dea2e7e05d19e5cceca6cc188fed1efa5d23660a9779d0db56be6028f110a30b20b60cbf2c82ad599e6ce8f825fb9596234a1f6d5448a
SSDEEP

24576:5wseoiM7R8ctYm1MghghnnPr0qZSWtke:5eoR8Wh25nzbtk

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 9 IoCs

miner

resource	yara_rule
behavioral1/memory/1768-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1768-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1768-16-0x00000000031B0000-0x00000000034C2000-memory.dmp	xmrig
behavioral1/memory/2808-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2808-25-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2808-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2808-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2808-33-0x0000000003240000-0x00000000033D3000-memory.dmp	xmrig
behavioral1/memory/1768-36-0x00000000031B0000-0x00000000034C2000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2808	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1768-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000a00000001202b-10.dat	upx
behavioral1/memory/2808-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/1768-16-0x00000000031B0000-0x00000000034C2000-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	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
2808	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2808	1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	31
PID 1768 wrote to memory of 2808	1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	31
PID 1768 wrote to memory of 2808	1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	31
PID 1768 wrote to memory of 2808	1768	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2808

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

\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Filesize
784KB

MD5
b45eac3fcef3d3151ab00e7a15ad1124

SHA1
d374d0dc9a4f6af03495dec2c408d4e7b249827d

SHA256
8de7b35dbab1f7724e64a47c9569618ce0fc1ad70998c0968783a2c5938b041e

SHA512
8b4782756a3a0c20d9b1e34d0112ff2c69b4775d3930acb920f3aa816ed1693fc1a71ab2b0be6c604427f3a9ce4cfafaa559dd55b33d88df4b9a0abaf5586bcd

Download Submit
memory/1768-16-0x00000000031B0000-0x00000000034C2000-memory.dmp

Filesize
3.1MB

Download
memory/1768-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1768-1-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/1768-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1768-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1768-36-0x00000000031B0000-0x00000000034C2000-memory.dmp

Filesize
3.1MB

Download
memory/2808-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2808-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2808-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2808-25-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2808-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2808-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2808-33-0x0000000003240000-0x00000000033D3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing