xmrig | ef22ef8783b66f7014a5dd09705b4521c946d1ecde5c5e28bed18c89877b1e8f

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 7 IoCs

miner

resource	yara_rule
behavioral1/memory/2684-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2684-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/3004-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/3004-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/3004-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/3004-33-0x00000000031C0000-0x0000000003353000-memory.dmp	xmrig
behavioral1/memory/3004-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
3004	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2684-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2684-15-0x0000000003260000-0x0000000003572000-memory.dmp	upx
behavioral1/files/0x0004000000011ba2-16.dat	upx
behavioral1/memory/3004-17-0x0000000000400000-0x0000000000712000-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	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
3004	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 3004	2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	31
PID 2684 wrote to memory of 3004	2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	31
PID 2684 wrote to memory of 3004	2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	31
PID 2684 wrote to memory of 3004	2684	a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a53194ff754afdcddbfbe69f7c25aa26_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2684
- 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:3004

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

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Downloads

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

Filesize
784KB

MD5
5fe8c14c967c9ca1a6e817e63dd380dc

SHA1
7a0e30ac6daa2ef9c0e0375499e2c89237ef0513

SHA256
b1d389c02789c84e4542bb30fab0980b3303295522c6fde7bbbe25cc90a31fd2

SHA512
4b607bc38cb744bafc8150c9a509d6192e3aefc1964eb7da2001238f1a1f260d833aa5ccc8666f6f9788c53314adecb25213432ae423e9eb40e63e75f7f34c8e

Download Submit
memory/2684-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2684-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2684-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2684-15-0x0000000003260000-0x0000000003572000-memory.dmp

Filesize
3.1MB

Download
memory/2684-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3004-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3004-20-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/3004-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3004-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/3004-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/3004-33-0x00000000031C0000-0x0000000003353000-memory.dmp

Filesize
1.6MB

Download
memory/3004-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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