xmrig | 1dd6f0dbdd8270cc58d8e46fe7bf41def65b4ec0ae45fb04dc65139304c761cf

General

Target

b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe
Size

784KB
MD5

b3ca3d6902979317dcb8c07fa40cb38b
SHA1

9e97605b15ef1d495f92689272177f83183e4d01
SHA256

1dd6f0dbdd8270cc58d8e46fe7bf41def65b4ec0ae45fb04dc65139304c761cf
SHA512

f6cb1eedc2c288912714e9bedb371e00b3473ae79a0332c7c101472068dde81744229decaef069b737664cb301b7a59991c0acf0579af73a956764abebc3251d
SSDEEP

24576:to+lM7C8A9RJ332zN5U6MIsXpIUNzAQCqg:dlM7RA9ju6ZIClC

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 9 IoCs

miner

resource	yara_rule
behavioral1/memory/1724-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1724-16-0x00000000031B0000-0x00000000034C2000-memory.dmp	xmrig
behavioral1/memory/1724-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2752-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2752-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2752-33-0x0000000003110000-0x00000000032A3000-memory.dmp	xmrig
behavioral1/memory/2752-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2752-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/1724-36-0x00000000031B0000-0x00000000034C2000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2752	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1724-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00070000000120fe-10.dat	upx
behavioral1/memory/2752-17-0x0000000000400000-0x0000000000712000-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	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe
2752	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2752	1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe	30
PID 1724 wrote to memory of 2752	1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe	30
PID 1724 wrote to memory of 2752	1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe	30
PID 1724 wrote to memory of 2752	1724	b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2752

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\b3ca3d6902979317dcb8c07fa40cb38b_JaffaCakes118.exe

Filesize
784KB

MD5
7a609a57ff4be96e8e54df31eadfa42e

SHA1
6463a7580f8d0d8026945c53bd0b44e1247be12b

SHA256
263112abf102ef9db1cfe16bbde050b59bae7990da6450ca68c96c4f24a47276

SHA512
f6ca0280d52a7222d540788692ff83bd25ebc8d8e46976f52d1644c214a7fded470ed8b1885263c523d050fe1c3129439979d59f5e14b6c974963d94ac998d1c

Download Submit
memory/1724-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1724-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1724-1-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/1724-16-0x00000000031B0000-0x00000000034C2000-memory.dmp

Filesize
3.1MB

Download
memory/1724-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1724-36-0x00000000031B0000-0x00000000034C2000-memory.dmp

Filesize
3.1MB

Download
memory/2752-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2752-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2752-19-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2752-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2752-33-0x0000000003110000-0x00000000032A3000-memory.dmp

Filesize
1.6MB

Download
memory/2752-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2752-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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