xmrig | 3444fc6d446d99d77a40eb92575b62d59463142d32574f51c24e3f6b3b0dadfd

General

Target

7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe
Size

784KB
MD5

7131c2d3ec2d66df49601c5b6db5c686
SHA1

cfed6fad580e71e29981df1db1f8cc9470157200
SHA256

3444fc6d446d99d77a40eb92575b62d59463142d32574f51c24e3f6b3b0dadfd
SHA512

0e9c342341dd9c4b7115d5a14c1a320f21d643dd29d4a479cdbe3b31b9d5ea2c3fab587a2ba5e601841c4d26ca78bf7cd90f0b759514689ca8242e85a3b9da9f
SSDEEP

24576:2U+QIWJK5Yyll/iQ4UPv0wqLzll6Gqbw:2uxJK1lUQ4UPv0wqzlljq

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/2976-3-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2976-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2776-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2776-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2776-25-0x0000000003150000-0x00000000032E3000-memory.dmp	xmrig
behavioral1/memory/2776-33-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2776	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2976-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0009000000012281-10.dat	upx
behavioral1/memory/2776-16-0x0000000000400000-0x0000000000712000-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	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe
2776	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2776	2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2776	2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2776	2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2776	2976	7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2776

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\7131c2d3ec2d66df49601c5b6db5c686_JaffaCakes118.exe

Filesize
784KB

MD5
b16e61fe52ca4b7c004951cc3ec0dd44

SHA1
f384e2cb0c6c2053ee42deb81b3eab63625c8da4

SHA256
7d7c07d959fa301522d73560afe92832b098c9ea8f245d13e6fba87d5513f8f0

SHA512
5631316245cd0ee2b1becdd35d294aa4322e66767207b87238c01269b6151501410fbe5ed29845147b58aaa8f444600a2941d95b55a6287c2de5e0e515f18f78

Download Submit
memory/2776-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2776-17-0x00000000002E0000-0x00000000003A4000-memory.dmp

Filesize
784KB

Download
memory/2776-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2776-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2776-25-0x0000000003150000-0x00000000032E3000-memory.dmp

Filesize
1.6MB

Download
memory/2776-33-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2976-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2976-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2976-3-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2976-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

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