xmrig | 49675e2b1d13ba7ff46aa5ce4105dac60dacba798ba8f6f8c2c3af96f5bbfecf

Analysis

max time kernel
139s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 20:36

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General

Target

b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe
Size

784KB
MD5

b4f3a6d7397e4024cd0321070a9a1353
SHA1

c907152d40ecc93453bdd2b56ccf672508e12ba0
SHA256

49675e2b1d13ba7ff46aa5ce4105dac60dacba798ba8f6f8c2c3af96f5bbfecf
SHA512

6665c75408a4070b71e7df828c33434181ab7133c3119037965249c05ce0c76df23b6c5171a4664ce52952abc9787853d3f96423bd51cc2f18402ced63a4dac0
SSDEEP

12288:XALwfBYwP80/pqAJSQ9HzNbNSTj94scdwm2/OiIz3wx3oQ4+HccngRmktVqffaND:QWt/pqAJSCS4w3/PHHXmmDf

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/2004-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/2004-12-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/1940-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/1940-20-0x0000000005550000-0x00000000056E3000-memory.dmp	xmrig
behavioral2/memory/1940-21-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral2/memory/1940-30-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
1940	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1940	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2004-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral2/memory/1940-13-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral2/files/0x000900000002347c-11.dat	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	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2004	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2004	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe
1940	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1940	2004	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe	85
PID 2004 wrote to memory of 1940	2004	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe	85
PID 2004 wrote to memory of 1940	2004	b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:1940

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\b4f3a6d7397e4024cd0321070a9a1353_JaffaCakes118.exe

Filesize
784KB

MD5
b018d0558d09bc45fec82dfba4553805

SHA1
2ea65d761edd2fe4fb01b39c7f7fb8957105cfc6

SHA256
558fb2ddd0b178e295b52c25986b45524ea8986162fbc79e64d93f914668b579

SHA512
da158baf0f230ecf8f98986932a0efea2b0def249f95d97bc5a0613f39e58cd7cdb10eba64a495b6fa97d3f7f3522fe96fbbaedb658cc8868a8c268fc8463f2f

Download Submit
memory/1940-13-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1940-19-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/1940-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1940-20-0x0000000005550000-0x00000000056E3000-memory.dmp

Filesize
1.6MB

Download
memory/1940-21-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/1940-30-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2004-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2004-1-0x0000000001900000-0x00000000019C4000-memory.dmp

Filesize
784KB

Download
memory/2004-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2004-12-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download