xmrig | e466aa81acc4b176584fce81f08b1cbdace88fd32d4171d3391a1ace2211e66d

General

Target

a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe
Size

784KB
MD5

a73a42907d0f656520376d1d8f1c30c9
SHA1

3ca23d179a70e84de3cb29283a33db02bec1dfee
SHA256

e466aa81acc4b176584fce81f08b1cbdace88fd32d4171d3391a1ace2211e66d
SHA512

f01106a7170bf160dd54af6722a43e4006aa07951e1ee2b158eb7a07017f4dc1f31f058854e0332d0decfdd81b18a2d7e8492e1e9e42e802801411a5b7dc5c8b
SSDEEP

24576:GnHPC4+c2PBIfUyE6MdrBhC7tnwRnqymDw:GnUc25yUvlC7CxqymD

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 7 IoCs

miner

resource	yara_rule
behavioral1/memory/2452-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2452-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1756-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/1756-17-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1756-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/1756-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/1756-26-0x0000000003220000-0x00000000033B3000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
1756	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1756	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2452-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000d00000001224d-10.dat	upx
behavioral1/memory/1756-16-0x0000000000400000-0x0000000000712000-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	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe
1756	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1756	2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe	32
PID 2452 wrote to memory of 1756	2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe	32
PID 2452 wrote to memory of 1756	2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe	32
PID 2452 wrote to memory of 1756	2452	a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:1756

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

\Users\Admin\AppData\Local\Temp\a73a42907d0f656520376d1d8f1c30c9_JaffaCakes118.exe

Filesize
784KB

MD5
0f02fe269fd42d0a6c83def5cef4af72

SHA1
355ed1cacae3cc1cc5c1ab49228a346403d16c57

SHA256
13c08babb1f3267eb228a6564103bed5bb7bbb5ca6be076cb652a5c4501accda

SHA512
e74f72fb971cfd30e4407c83c088647be1cad7e082a93282bddcb2b9aa97d398bd21d67717777736d55823c693f8d268b260f35913b278df7c6abda0e5006773

Download Submit
memory/1756-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1756-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/1756-19-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/1756-17-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1756-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/1756-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/1756-26-0x0000000003220000-0x00000000033B3000-memory.dmp

Filesize
1.6MB

Download
memory/2452-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2452-3-0x0000000000200000-0x00000000002C4000-memory.dmp

Filesize
784KB

Download
memory/2452-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2452-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

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