xmrig | ef22ef8783b66f7014a5dd09705b4521c946d1ecde5c5e28bed18c89877b1e8f

Analysis

max time kernel
130s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 03:21

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General

Target

a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
Size

784KB
MD5

a53194ff754afdcddbfbe69f7c25aa26
SHA1

d9e591aba206033b9a98bf05ecba2ad189ecfecc
SHA256

ef22ef8783b66f7014a5dd09705b4521c946d1ecde5c5e28bed18c89877b1e8f
SHA512

7aa005177c8f05e3ac36a72924fb0e0a88e618d7a5fda19c7acf12ba65dfd10b5d0a2e1ff1eb491e0cf95e811e46dedc32545d988fa1ab73e6bf286eb3bbc68b
SSDEEP

24576:TxYWyPtQRZj4daCt41Pt5iDlPmQ+NOZ2as1Qoyp5ks4GZ:CtuMd8Pt5iZ6NX8rp6s4G

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 6 IoCs

miner

resource	yara_rule
behavioral2/memory/4136-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/4136-12-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/1076-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/1076-20-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral2/memory/1076-29-0x0000000005400000-0x0000000005593000-memory.dmp	xmrig
behavioral2/memory/1076-30-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
1076	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1076	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4136-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral2/files/0x0008000000023482-11.dat	upx
behavioral2/memory/1076-13-0x0000000000400000-0x0000000000712000-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	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4136	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4136	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
1076	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 1076	4136	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	86
PID 4136 wrote to memory of 1076	4136	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	86
PID 4136 wrote to memory of 1076	4136	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4136
- C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Filesize
784KB

MD5
e61451a4304e2ab71bb7be69618771ee

SHA1
5abf65f7eac34dcba8142a78cf7e66770bb0c030

SHA256
de94982a5f0280616e15575f30721a656e57d9726b232283e88824042e652dd8

SHA512
c16b20b8b25284a1607f22a5973d8f136a2e4090ed24570f114b20e855bba1a2a2d02d75e1f76a29803424967344bb717c85dccca223b70d10fe7cbb2a4ee3a9

Download Submit
memory/1076-13-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1076-14-0x0000000001A10000-0x0000000001AD4000-memory.dmp

Filesize
784KB

Download
memory/1076-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1076-20-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/1076-29-0x0000000005400000-0x0000000005593000-memory.dmp

Filesize
1.6MB

Download
memory/1076-30-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/4136-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4136-1-0x0000000001980000-0x0000000001A44000-memory.dmp

Filesize
784KB

Download
memory/4136-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/4136-12-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download