xmrig | 8f3bfed84b93aaa1b4164b709640a6c0926326c8a75452e528c5b02c0ae641fa

General

Target

873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe
Size

784KB
MD5

873b8a0d819ac57495ed86ea604b67b9
SHA1

2ff85ddbab55dc41a04e76517bef2c99af0b2f48
SHA256

8f3bfed84b93aaa1b4164b709640a6c0926326c8a75452e528c5b02c0ae641fa
SHA512

7c503c604d0da1bad6ed1624e5fd90331006d6b57d3016a62b393b2a60108198c13dbd5eec14bd8fe5f0651248424438c9de1cc3c01544aa74af6ef474d3dbbf
SSDEEP

12288:8/T6ZZlSX9d7PtbVAuOL56yJ4v9p6QCmextUc99OqcBsBzHclU4/0MuAiBbw:8/Wl6TVV0Lf436LJ199SBsCUq1Ib

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/2776-3-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2776-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2904-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2904-23-0x0000000003140000-0x00000000032D3000-memory.dmp	xmrig
behavioral1/memory/2904-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2904-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2904-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2904	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	873b8a0d819ac57495ed86ea604b67b9_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/0x0008000000012115-15.dat	upx
behavioral1/memory/2904-16-0x0000000000400000-0x0000000000712000-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	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2776	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2776	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe
2904	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2904	2776	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2904	2776	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2904	2776	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2904	2776	873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\873b8a0d819ac57495ed86ea604b67b9_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\873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2904

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\873b8a0d819ac57495ed86ea604b67b9_JaffaCakes118.exe

Filesize
784KB

MD5
19b34b99f04ad0fe7288e6a4b4fe20ec

SHA1
f9c143e0db84be64d31d689d625c38261111d74d

SHA256
cad008eeae755c768ce40671111e1dd9e02c6512cc867a8f5fa1173c6675ab19

SHA512
0f08d6f26eee45bbb012be8c64bb619ea7caffbe22dadf174f1d6d459c887635372f193d8934a0ce48197fe496111f456d1911ae48467ce48e31c8224c9daf27

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

Filesize
3.1MB

Download
memory/2776-1-0x0000000000330000-0x00000000003F4000-memory.dmp

Filesize
784KB

Download
memory/2776-3-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2776-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2904-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2904-17-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2904-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2904-23-0x0000000003140000-0x00000000032D3000-memory.dmp

Filesize
1.6MB

Download
memory/2904-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2904-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2904-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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