xmrig | aa9056c2cb34c82a8e330fe13633fdfed012c7636dfc436c12d15bbe0edee4ab

General

Target

f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe
Size

784KB
MD5

f5760b6a56b8ab2d2a8d02fc7804187d
SHA1

e30e4db17f03cc1ffd3922ccbc173cc11897e27c
SHA256

aa9056c2cb34c82a8e330fe13633fdfed012c7636dfc436c12d15bbe0edee4ab
SHA512

beeeb4643ef50f61b049643dcc1fd704f8e14f143cbdaa18bdcecec444da551ecaf605b9a18ab7d8f7550485a63a5566dea98da619f158d2fe7aed847d4de02d
SSDEEP

24576:4RZxc8k8VlxU5aAY3VhEL2nrzu8EARr+26:Uch8VHUMAY3yq8ARrw

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 8 IoCs

miner

resource	yara_rule
behavioral1/memory/2052-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2052-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2748-32-0x0000000003120000-0x00000000032B3000-memory.dmp	xmrig
behavioral1/memory/2748-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2748-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2748-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2748-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2052-35-0x0000000003180000-0x0000000003492000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2748	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2052-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000d000000012262-12.dat	upx
behavioral1/memory/2052-14-0x0000000003180000-0x0000000003492000-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	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe
2748	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2748	2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe	30
PID 2052 wrote to memory of 2748	2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe	30
PID 2052 wrote to memory of 2748	2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe	30
PID 2052 wrote to memory of 2748	2052	f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Local\Temp\f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2748

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\f5760b6a56b8ab2d2a8d02fc7804187d_JaffaCakes118.exe

Filesize
784KB

MD5
c132e0b07c909a38c8365f188596f8e6

SHA1
a9dca35eb6853e9a8edf91ff9e90b997d70b929e

SHA256
e2ff093f3145ecca4103fdb29b8dfea4e55ff249d18248e4c32a94d7a3fd091a

SHA512
7a3839638b0750f48682a186d158195e67265d38d6d3fc9fbf04019c597702e103b6137eebb174e0960be7f2bd00aed6e9c2242e3699dc274ee02415960e8601

Download Submit
memory/2052-35-0x0000000003180000-0x0000000003492000-memory.dmp

Filesize
3.1MB

Download
memory/2052-1-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/2052-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2052-14-0x0000000003180000-0x0000000003492000-memory.dmp

Filesize
3.1MB

Download
memory/2052-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2052-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2748-17-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2748-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2748-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2748-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2748-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2748-32-0x0000000003120000-0x00000000032B3000-memory.dmp

Filesize
1.6MB

Download

Analysis

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