xmrig | 708545763a6f8f9f7f5724a83b27363951e9fecd7d5f81bc7644193b63676ce5

General

Target

c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe
Size

784KB
MD5

c97960cfb1a8ddca53f33a4c12ca9b2f
SHA1

095cfb8ac5f3f98f12e507cebc3179a80f9c470b
SHA256

708545763a6f8f9f7f5724a83b27363951e9fecd7d5f81bc7644193b63676ce5
SHA512

a3b5162874a1ade4df08f6517858455895c1939cca189b3961754bc831543512e4db16b75ecf1dd425cbaeee120fd821019cf6af6af338a55f98e4e635de82b2
SSDEEP

12288:sobDXJmz3CAQLy7tq4v/GQej4nNTovQ0f0YKVjvvQW+kPIOFCgYMJI+:sobD5s3Cu7CBjw9oVfG6LyrFrJ

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/2704-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2704-16-0x0000000003260000-0x0000000003572000-memory.dmp	xmrig
behavioral1/memory/2704-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2840-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2840-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2840-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2840-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2840-33-0x0000000003230000-0x00000000033C3000-memory.dmp	xmrig
behavioral1/memory/2704-36-0x0000000003260000-0x0000000003572000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2840	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00090000000120f8-10.dat	upx
behavioral1/memory/2840-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2704-16-0x0000000003260000-0x0000000003572000-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	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe
2840	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2840	2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe	32
PID 2704 wrote to memory of 2840	2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe	32
PID 2704 wrote to memory of 2840	2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe	32
PID 2704 wrote to memory of 2840	2704	c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2840

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\c97960cfb1a8ddca53f33a4c12ca9b2f_JaffaCakes118.exe

Filesize
784KB

MD5
f515810f6ea4d7bc0cdca8fab58b1c65

SHA1
6fb51fdc0e7615411a507dd38a7464f99aca5c11

SHA256
763ad469256c95de5725c13affc10dabb4a077f917968dbca4b09518588c6535

SHA512
dd089eef63aa5234670ad09f721359ca1f81c37ed5fd7a6ef2b9de6900553affd8ec6c06dc1cafce6da1130ec2448aefbce06acfc817083580e546532f15bdb9

Download Submit
memory/2704-16-0x0000000003260000-0x0000000003572000-memory.dmp

Filesize
3.1MB

Download
memory/2704-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2704-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2704-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2704-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2704-36-0x0000000003260000-0x0000000003572000-memory.dmp

Filesize
3.1MB

Download
memory/2840-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2840-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2840-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2840-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2840-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2840-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2840-33-0x0000000003230000-0x00000000033C3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing