xmrig | 3fb5c39b3a45837a91a035afb2d20a9ad0dd8b2d2b126ec899a3fe558a683673

General

Target

82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe
Size

784KB
MD5

82b239a4f7b54633433c44fcb1fbfb52
SHA1

7f85a85d174bc2815239515284a1e61f547cd51e
SHA256

3fb5c39b3a45837a91a035afb2d20a9ad0dd8b2d2b126ec899a3fe558a683673
SHA512

d11dbf4933c1dc3307930dcbdb76c9c60770ce56a06ef8f6334a91d996b55accb54e0ae8df280debe8cc7cdae59fe4311f6d5c1281a9aad54732e9e9ffbfa36f
SSDEEP

24576:d74OGle+2itPxRN8QoOxlaB25qLrUQyeq:duUWN8ZOoLY

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/588-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/588-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2820-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2820-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2820-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2820-32-0x0000000003070000-0x0000000003203000-memory.dmp	xmrig
behavioral1/memory/2820-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2820	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/588-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0007000000012117-14.dat	upx
behavioral1/memory/2820-16-0x0000000000400000-0x0000000000712000-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	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe
2820	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 2820	588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe	31
PID 588 wrote to memory of 2820	588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe	31
PID 588 wrote to memory of 2820	588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe	31
PID 588 wrote to memory of 2820	588	82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:588
- C:\Users\Admin\AppData\Local\Temp\82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2820

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

C:\Users\Admin\AppData\Local\Temp\82b239a4f7b54633433c44fcb1fbfb52_JaffaCakes118.exe

Filesize
784KB

MD5
f0834ef787fbdc8db8ee496cdca17b58

SHA1
ba24316a5f2fbe39fa11e1e7ade68965bfa3d5ce

SHA256
7633f018f22f8cd47948a4226c5c09ca0c6cd5176098a356665e6fdae63bec28

SHA512
0a3e99723935402dc1064028eee07007294aa504cd328b87ba6c7a9f2a56b4b71ccd431ab5d6142eb1f3f6e24cda79419475397d687e187935af21fd8663e982

Download Submit
memory/588-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/588-5-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/588-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/588-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2820-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2820-17-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/2820-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2820-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2820-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2820-32-0x0000000003070000-0x0000000003203000-memory.dmp

Filesize
1.6MB

Download
memory/2820-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing