xmrig | b31dfb107533d6f9dedc853d1209e5fd22c2b9c700893d1b43600bf9f2c9005d

General

Target

c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe
Size

784KB
MD5

c858e6d0638a21d9b7ce8809948500a8
SHA1

929db10219a045a77f3f2f987e1cb2b0eb440708
SHA256

b31dfb107533d6f9dedc853d1209e5fd22c2b9c700893d1b43600bf9f2c9005d
SHA512

c8b92216528cf343fd6ea9c40a7560921dbabeb5f2ac9159423e6640b179f6853195cc2b41ae569c45d19f1c48768801c3a2e06340c88155f10de8a27b53908e
SSDEEP

12288:e70cBrp2W3fTcyQdYwL0kBr26MVjtL2ZqGDlCMPf7AKCUq4XLe6ynykE7rVA3sD:e70cV8YLokkUjF2ArMPMKq4Zyyf/VWs

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
behavioral2/memory/2368-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/2368-12-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/896-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral2/memory/896-20-0x0000000005310000-0x00000000054A3000-memory.dmp	xmrig
behavioral2/memory/896-21-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral2/memory/896-30-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral2/memory/896-31-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
896	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
896	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2368-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral2/files/0x00080000000235d1-11.dat	upx
behavioral2/memory/896-13-0x0000000000400000-0x0000000000712000-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	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2368	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2368	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe
896	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 896	2368	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe	92
PID 2368 wrote to memory of 896	2368	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe	92
PID 2368 wrote to memory of 896	2368	c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:896

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4188,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:3156

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\c858e6d0638a21d9b7ce8809948500a8_JaffaCakes118.exe

Filesize
784KB

MD5
645fa7dffea98e9f338d14a6d88451ab

SHA1
f4cb649fefd82947e1ef268eb784338ffc640a99

SHA256
d7730388b6a70cf1956fdcc0bb5899b43e90d23d2b80c5d3b767a3ae813f776c

SHA512
a83095ecb8d04b9083dbc476b6a5054682eac21b836d2f2ed0409ec89f5b0e9e31d79c3e68628c94b05efc0d782087309a062a86105ab985a8cab93f618e661a

Download Submit
memory/896-13-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/896-14-0x00000000017F0000-0x00000000018B4000-memory.dmp

Filesize
784KB

Download
memory/896-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/896-20-0x0000000005310000-0x00000000054A3000-memory.dmp

Filesize
1.6MB

Download
memory/896-21-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/896-30-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/896-31-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2368-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2368-1-0x0000000001A40000-0x0000000001B04000-memory.dmp

Filesize
784KB

Download
memory/2368-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2368-12-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing