xmrig | 05f7e2ab55c4d5a8759221e2d8b75bb285c6d7e5a617e6db9a5145bf8a224c3a

General

Target

af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe
Size

784KB
MD5

af83f6e366160b79002fd26e8845ba49
SHA1

0f0452068aafcaf4aca896b63a682b3ff5fc162e
SHA256

05f7e2ab55c4d5a8759221e2d8b75bb285c6d7e5a617e6db9a5145bf8a224c3a
SHA512

9892cd3953b377dd4b6d7eee4013e4cbc373a33d6208faf8729c65443d6799aeacaaa13493886962d0df23ad6f6558aa6e9421e029c7baacdcd579d69f0f45df
SSDEEP

12288:vBB9qrCu5fR1noe55YxltNokZE9wDagwOn7wbMQ7R8YGzCe57HbDYA915HUJRpVt:vBbw7kd7aBkkR8YQHIA91m3dY5Hm

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 8 IoCs

miner

resource	yara_rule
behavioral1/memory/2340-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2340-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2340-15-0x0000000003140000-0x0000000003452000-memory.dmp	xmrig
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2436-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2436-27-0x0000000002FD0000-0x0000000003163000-memory.dmp	xmrig
behavioral1/memory/2436-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2436-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2436	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2436	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2340-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000c00000001227c-10.dat	upx
behavioral1/memory/2436-17-0x0000000000400000-0x0000000000712000-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	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe
2436	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2436	2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2436	2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2436	2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe	32
PID 2340 wrote to memory of 2436	2340	af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2436

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\af83f6e366160b79002fd26e8845ba49_JaffaCakes118.exe

Filesize
784KB

MD5
92275aaebb308ca547fb7a38a585ee3f

SHA1
b9a878f222f7583df679a3ad3ac6c45f9bb3a027

SHA256
f40b22b77d1ad8944dc3864a77a142ff8d0b6cf38d2dac3f3294798835b8d1e7

SHA512
ff11577275f5ba4821908d4a81eae725f7012efb7e30aae09bbc132c8bacce4c9baaf933a6de9b3aab8d35aba0aeff3c88367e9ce54f413bd6a9b1c727ccf947

Download Submit
memory/2340-15-0x0000000003140000-0x0000000003452000-memory.dmp

Filesize
3.1MB

Download
memory/2340-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2340-1-0x0000000000330000-0x00000000003F4000-memory.dmp

Filesize
784KB

Download
memory/2340-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2340-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2436-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2436-18-0x00000000002A0000-0x0000000000364000-memory.dmp

Filesize
784KB

Download
memory/2436-25-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2436-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2436-27-0x0000000002FD0000-0x0000000003163000-memory.dmp

Filesize
1.6MB

Download
memory/2436-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2436-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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