xmrig | c9e22981f6dd8f068f824d76ce83d5036f340390b6b22d50f5061c279acc6f2b

General

Target

75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe
Size

784KB
MD5

75af1d34a6d9c61c0f9745409e08b9c2
SHA1

dd5e51a67476f8fad647f66ea3d3d3dfcf6bd086
SHA256

c9e22981f6dd8f068f824d76ce83d5036f340390b6b22d50f5061c279acc6f2b
SHA512

7a7eedb770cc9db93de054d4e33b25fd0021c3fa1b6065463e1dd92a231122fe5c8346f62c871c402464da0e09971f7654c01f8b4a5747df9506d3ea9e3b1550
SSDEEP

24576:XadM4O48DnovKlxL+I9WAwVp4V9FK4OBx9Au:AfqovKj+IPPK2

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 6 IoCs

miner

resource	yara_rule
behavioral1/memory/1628-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1628-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2796-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2796-23-0x0000000003150000-0x00000000032E3000-memory.dmp	xmrig
behavioral1/memory/2796-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2796-33-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2796	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1628-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0009000000016c1f-15.dat	upx
behavioral1/memory/2796-16-0x0000000000400000-0x0000000000712000-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	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe
2796	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2796	1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe	31
PID 1628 wrote to memory of 2796	1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe	31
PID 1628 wrote to memory of 2796	1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe	31
PID 1628 wrote to memory of 2796	1628	75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2796

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

C:\Users\Admin\AppData\Local\Temp\75af1d34a6d9c61c0f9745409e08b9c2_JaffaCakes118.exe

Filesize
784KB

MD5
1fff5136f3b6c68038fa011b9d0c70e2

SHA1
cf5f17b11c167c66aca2daf0bef1ce1894cf024a

SHA256
00896cb3c2419034b1363d2dac1f11b294e88e3b6df9d157d2ccaed05bbedda1

SHA512
0e657d5300b04dbcf1d95e1be7c5d753270e910ed985ded0e8df1037b7a2145adff1ea3e8c0c19a10921ed86261a97ddc7868c15115169a9c0bb467262ed654d

Download Submit
memory/1628-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1628-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1628-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1628-9-0x0000000000320000-0x00000000003E4000-memory.dmp

Filesize
784KB

Download
memory/2796-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2796-17-0x0000000000200000-0x00000000002C4000-memory.dmp

Filesize
784KB

Download
memory/2796-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2796-23-0x0000000003150000-0x00000000032E3000-memory.dmp

Filesize
1.6MB

Download
memory/2796-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2796-33-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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