xmrig | 39934520803f0b9a2d1c29f435de7f24900d3f49c335bfecebb76e18aeb0dba9

General

Target

de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe
Size

784KB
MD5

de39b7e55db8cdc79975f8800d432cd6
SHA1

547c22e3a0d5d089c74484c12187e5173de0a53f
SHA256

39934520803f0b9a2d1c29f435de7f24900d3f49c335bfecebb76e18aeb0dba9
SHA512

b62bf4c89766b63d3e065c68bc3a24b8fee3cd17ab3067f58fa0cee091765563fc1a4af3429ba4a4d7e9b52abcf4d7f7e40ae243337107a8ba17b2ae7a0b1b81
SSDEEP

24576:9EK79c3HnFpaIpkUqF18RlzzTDritdU1:R5cXnFpas41A1zjN1

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 6 IoCs

miner

resource	yara_rule
behavioral1/memory/2620-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2620-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2892-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2892-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2892-33-0x00000000032B0000-0x0000000003443000-memory.dmp	xmrig
behavioral1/memory/2892-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2892	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2620-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000a000000012262-10.dat	upx
behavioral1/memory/2892-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2620-15-0x0000000003120000-0x0000000003432000-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	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe
2892	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2892	2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe	31
PID 2620 wrote to memory of 2892	2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe	31
PID 2620 wrote to memory of 2892	2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe	31
PID 2620 wrote to memory of 2892	2620	de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2892

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\de39b7e55db8cdc79975f8800d432cd6_JaffaCakes118.exe

Filesize
784KB

MD5
ab7957daaf20b84cd58b9f23f550e857

SHA1
81773196cc1ad55e4871c56654e890e58492811a

SHA256
a3116b80bc1eb40d7db974cb1d75f1ae70e855df641b154d494f467ceea9cbe2

SHA512
e9d98515c6c174110f337a954476d67510ca94a7caaea0213825cd1f6715293b48090fcd053ce57ad0b58b7a07e01fad3940503ed0cd7c996becb9ed4ef3a924

Download Submit
memory/2620-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2620-1-0x0000000000210000-0x00000000002D4000-memory.dmp

Filesize
784KB

Download
memory/2620-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2620-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2620-15-0x0000000003120000-0x0000000003432000-memory.dmp

Filesize
3.1MB

Download
memory/2892-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2892-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2892-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2892-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2892-33-0x00000000032B0000-0x0000000003443000-memory.dmp

Filesize
1.6MB

Download
memory/2892-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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