xmrig | 4e65ff2a04706e78346a1718bbb92ca61fa5c58fcbecd8b6f64186bb48dcd46a

General

Target

a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe
Size

784KB
MD5

a0bafbcaf84c793504c06f5b222f9389
SHA1

1e475df77713bb23b641495dca4796becf148388
SHA256

4e65ff2a04706e78346a1718bbb92ca61fa5c58fcbecd8b6f64186bb48dcd46a
SHA512

876722579876f921e2b00563d518cdd25d91abdbf56e9b2dd52772aab14e9e7a9084c5afb36294bb38633c04ee7fe49d8b0cf3ee0d57a78f6ea899bd7d6c665c
SSDEEP

12288:yc5TFiHzp+Gq9q41kgdu27At69Wf1l7lT/RY69yyHVRehseNSTcR:y8TgGEUdwFR/y69ykSsqSTI

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/2192-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2192-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2080-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2080-25-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2080-24-0x0000000003140000-0x00000000032D3000-memory.dmp	xmrig
behavioral1/memory/2080-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2080-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2192-36-0x0000000003210000-0x0000000003522000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2080	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2192-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000b000000012285-15.dat	upx
behavioral1/memory/2080-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2192-16-0x0000000003210000-0x0000000003522000-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	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe
2080	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2080	2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2080	2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2080	2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2080	2192	a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2080

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\a0bafbcaf84c793504c06f5b222f9389_JaffaCakes118.exe

Filesize
784KB

MD5
28123248371ba11432e4d961d5e3be8a

SHA1
a6968e14da70ad27d73561b14d01364fc69b719d

SHA256
f7b0e9eb66d2063f000d31c67fb76812b9f2f6f77a407a52ffe3332cec743381

SHA512
cea267b9e2294d7b59d358dac41585f5f1c9647aa42b52e532338ba6c2979a026744f11f46bdc05353ed6e3ac70cd2d46357fc37808a56356c3b9227d5ed0bb6

Download Submit
memory/2080-25-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2080-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2080-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2080-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2080-24-0x0000000003140000-0x00000000032D3000-memory.dmp

Filesize
1.6MB

Download
memory/2080-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2080-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2192-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2192-3-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2192-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2192-16-0x0000000003210000-0x0000000003522000-memory.dmp

Filesize
3.1MB

Download
memory/2192-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2192-36-0x0000000003210000-0x0000000003522000-memory.dmp

Filesize
3.1MB

Download

Analysis

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