xmrig | ca4c41e1cd345011b7eae2117bf81371b294a9c0c3cfda22273aa779f6f478f8

General

Target

cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe
Size

784KB
MD5

cff77efe8ebb6c0ee1711ee1c4bd729b
SHA1

92538ec4e769ad9ea8aa2275e38b7eaa8c40630a
SHA256

ca4c41e1cd345011b7eae2117bf81371b294a9c0c3cfda22273aa779f6f478f8
SHA512

4b6a98b3bdd14242977878dbd83a7b375f7f1c9baa0ec1e3752e839a40748ce1eb62a7f4437619c2475cd553178cdfd5e6a7cecd09e0b0ae0bf65d8be0027b37
SSDEEP

12288:gS49QwjtNNJFFCG3C1Yq2oNVLH6/WPI9a0v21YL/cv4AlKR5vQcOs/fABna+:glDNbcYqp3LLPI97v7LEv4wjs/fABnr

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/2776-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2776-16-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2588-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2588-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2588-23-0x00000000030F0000-0x0000000003283000-memory.dmp	xmrig
behavioral1/memory/2588-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2588-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2588	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2776-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000c000000017444-10.dat	upx
behavioral1/memory/2776-14-0x0000000003260000-0x0000000003572000-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	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe
2588	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2588	2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2588	2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2588	2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2588	2776	cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\Temp\cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2588

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\cff77efe8ebb6c0ee1711ee1c4bd729b_JaffaCakes118.exe

Filesize
784KB

MD5
1ba5beb63c8baf2947a91e9717ae2e31

SHA1
ba5c02cbc26909c5169c784c9fac4051e969cda5

SHA256
42408b144c60b9615705613215ef2f3f1b87ea2d8e46145feaeb100ce6f1d840

SHA512
bf6ebab04ead126b3028a659f8a0c9346c8e2bb99fe9c99d4ec394e015fa94d19c9b2178ae223b85ea83cc53d770a7ff4de24203200af1595bd3a0a96e4a5b20

Download Submit
memory/2588-17-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2588-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2588-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2588-23-0x00000000030F0000-0x0000000003283000-memory.dmp

Filesize
1.6MB

Download
memory/2588-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2588-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

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

Filesize
3.1MB

Download
memory/2776-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2776-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2776-16-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2776-14-0x0000000003260000-0x0000000003572000-memory.dmp

Filesize
3.1MB

Download

Analysis

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