xmrig | 2e0ea3f79945ca543970dd09b9bc6c4aa4c10c05640cc4f72f221a48c54e4d20

General

Target

b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe
Size

784KB
MD5

b73b20fec35158640b9d96e6f588c292
SHA1

2d39e2a38327e33520d30b432008d162fa312508
SHA256

2e0ea3f79945ca543970dd09b9bc6c4aa4c10c05640cc4f72f221a48c54e4d20
SHA512

9fb315aeb5c909bd1ef3d47e08b3534c1236ce1ba07c34ea14d0c7a5500420d8ac053a31b18858cd451cb2a2886d919c7edfa9b8cae48f88ff6db1a83b0833a4
SSDEEP

12288:5lnpmxYcWq/AEnK8aLNPVBkrrODkb93goCU5ZWYrjGG5fjlHBUcwxz:5lnpN3SAKVaLNq93PLrnjlHKc

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/2676-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2676-15-0x0000000003150000-0x0000000003462000-memory.dmp	xmrig
behavioral1/memory/2676-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2060-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2060-32-0x0000000003010000-0x00000000031A3000-memory.dmp	xmrig
behavioral1/memory/2060-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2060-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2060	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2676-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0007000000012118-16.dat	upx
behavioral1/memory/2676-15-0x0000000003150000-0x0000000003462000-memory.dmp	upx
behavioral1/memory/2060-17-0x0000000000400000-0x0000000000712000-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	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe
2060	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2060	2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2060	2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2060	2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2060	2676	b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2060

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

C:\Users\Admin\AppData\Local\Temp\b73b20fec35158640b9d96e6f588c292_JaffaCakes118.exe

Filesize
784KB

MD5
723ca3bf9d21830ea008a94e1cfdcbbb

SHA1
cbb49909d848ef6c701dc93c9a4dd3cda7c0a102

SHA256
3949373830bff9fbe4d3b218fcbc80847fa334a7a6f5f1dc21892254c473293e

SHA512
0b69eeab8747c64a894c214bfed04368c28e1fd7d894dc4ef42ee78764fdb457fd6aab19febc6278d97bc2a9b614bebfeb30882a1e9b253c5aea598d4eba623b

Download Submit
memory/2060-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2060-18-0x00000000002A0000-0x0000000000364000-memory.dmp

Filesize
784KB

Download
memory/2060-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2060-32-0x0000000003010000-0x00000000031A3000-memory.dmp

Filesize
1.6MB

Download
memory/2060-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2060-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2676-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2676-1-0x00000000002A0000-0x0000000000364000-memory.dmp

Filesize
784KB

Download
memory/2676-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2676-15-0x0000000003150000-0x0000000003462000-memory.dmp

Filesize
3.1MB

Download
memory/2676-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

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