xmrig | c51ebc308dfe059266a65c9de588b96cbc63ab01f879834e74f111a7526767a2

Analysis

max time kernel
149s
max time network
153s
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, 14:05

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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 7 IoCs

miner

resource	yara_rule
behavioral2/memory/2304-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/2304-12-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/916-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/916-20-0x0000000005300000-0x0000000005493000-memory.dmp	xmrig
behavioral2/memory/916-21-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral2/memory/916-31-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral2/memory/916-30-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
916	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
916	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2304-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral2/files/0x0008000000023468-11.dat	upx
behavioral2/memory/916-13-0x0000000000400000-0x0000000000712000-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	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2304	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2304	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
916	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 916	2304	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	85
PID 2304 wrote to memory of 916	2304	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	85
PID 2304 wrote to memory of 916	2304	b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2304
- 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:916

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\b3c1eae0607ccf06f34c2e23be6f3ca1_JaffaCakes118.exe

Filesize
784KB

MD5
337e318af8115d4315248796c1c112a5

SHA1
d376a0cac1836460c88d8f7f2ec0a609858c65ca

SHA256
c0774da5d69e77a721a16cee1fae732a027ac9af0ec0c22026798fb579f76ef2

SHA512
2d631d8ac1173a699f0bf42cbc8e8eeba4225659ba4d5855dd09c1a1e1bffb80a3f6e15e9ce7c12a5efd329a4b884337f07b17e9a341fcefc0be2ad4c1898d98

Download Submit
memory/916-13-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/916-14-0x0000000001A90000-0x0000000001B54000-memory.dmp

Filesize
784KB

Download
memory/916-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/916-20-0x0000000005300000-0x0000000005493000-memory.dmp

Filesize
1.6MB

Download
memory/916-21-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/916-31-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/916-30-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2304-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2304-1-0x00000000018F0000-0x00000000019B4000-memory.dmp

Filesize
784KB

Download
memory/2304-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2304-12-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download