xmrig | 5eaf881e3078d85cac12b4ecba675aa9c67ff08cbcddc3cd50ea459590aae8b0

General

Target

b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe
Size

2.3MB
MD5

b2a0499d673c2d0c95379a47a90c5868
SHA1

090331e0d90def7febbe10087bf5769743e5e3e0
SHA256

5eaf881e3078d85cac12b4ecba675aa9c67ff08cbcddc3cd50ea459590aae8b0
SHA512

24d3fc0ce0f14b10007e47c89d14b23536021f931674dcf6fa070725f6a7fddc996611c79854e3cf074b9dac2b69ce3f52286adda593f75cd6b87ac9322967f8
SSDEEP

49152:Ceagm1ZEdBTZ5OwQdP79SVgmnpr5mrbJUnQ3fbn0b5Qg4/i:CgYZEf6C2Mpr5hIE5Qg4/

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/292-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/292-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2900-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2900-30-0x00000000031D0000-0x0000000003363000-memory.dmp	xmrig
behavioral1/memory/2900-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2900-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/292-35-0x0000000003490000-0x00000000037A2000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2900	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/292-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000c00000001227f-10.dat	upx
behavioral1/memory/292-15-0x0000000003490000-0x00000000037A2000-memory.dmp	upx
behavioral1/memory/2900-17-0x0000000000400000-0x0000000000712000-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	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe
2900	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 292 wrote to memory of 2900	292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe	29
PID 292 wrote to memory of 2900	292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe	29
PID 292 wrote to memory of 2900	292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe	29
PID 292 wrote to memory of 2900	292	b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:292
- C:\Users\Admin\AppData\Local\Temp\b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2900

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\b2a0499d673c2d0c95379a47a90c5868_JaffaCakes118.exe

Filesize
784KB

MD5
73db96f8562e2b692318d193e8e97f41

SHA1
d84ddf36c91011609de1ff70bc3f8e8759da5e14

SHA256
ef6b01a3fb507f974c9b0490ffc40ff93220acb6b64f6ec72d0f77a621740bc8

SHA512
e57da9493d54b2d3ca7c8ae1d0070a8a059c1d7b90d4e026371fd5664a9091cf974911c0bcc2ff14d81d8b725431ff67c500b0feac6af2b40e808c90ce39a140

Download Submit
memory/292-35-0x0000000003490000-0x00000000037A2000-memory.dmp

Filesize
3.1MB

Download
memory/292-1-0x0000000000330000-0x00000000003F4000-memory.dmp

Filesize
784KB

Download
memory/292-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/292-15-0x0000000003490000-0x00000000037A2000-memory.dmp

Filesize
3.1MB

Download
memory/292-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/292-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2900-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2900-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2900-30-0x00000000031D0000-0x0000000003363000-memory.dmp

Filesize
1.6MB

Download
memory/2900-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2900-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2900-18-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download

Analysis

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