xmrig | deb96807a620c563c4a103777226b994ac781c1a09462d8816057c3deadbfd09

General

Target

81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe
Size

2.3MB
MD5

81c90fa126e858ee43ab3f26f7fd6a31
SHA1

54812aed112bfdf77696e01ebc36f5ba43f9a9a1
SHA256

deb96807a620c563c4a103777226b994ac781c1a09462d8816057c3deadbfd09
SHA512

a198a3bff12d836ada5f55cd37333dcf1795e10f258117e09002d4258e887dc64a2bde02040ac9fda7baefd28192fb635fabc883a986331c1d0f8a6ff264ffee
SSDEEP

49152:GCfpGwJy+9aghkYd30M9l/SbR8jbLPUcw46XnGbo/:Hf8mJsgiM30MDSbR8jb7UCTbW

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/2632-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2632-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2764-17-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2764-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2764-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2764-22-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2764-32-0x00000000030A0000-0x0000000003233000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2764	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2632-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00080000000120fd-15.dat	upx
behavioral1/memory/2764-16-0x0000000000400000-0x0000000000712000-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	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe
2764	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2764	2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe	31
PID 2632 wrote to memory of 2764	2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe	31
PID 2632 wrote to memory of 2764	2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe	31
PID 2632 wrote to memory of 2764	2632	81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2764

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\81c90fa126e858ee43ab3f26f7fd6a31_JaffaCakes118.exe

Filesize
784KB

MD5
35d6270806b8aea427011f0f381bc432

SHA1
6511ec7c69de60089d1c03c2c2e821b4b128fcfc

SHA256
75ff55147c3e36e192de02faf79a8aafdc5a6671359415e41922e285db1b37a9

SHA512
3fe715c0ff99e3d82eb5cf5c19c2e7eb640d95fed8ceaa4c5e031041487474cf462ba0610a40d16e3641dcb41e3235ea1db97bbf9fe1d69b241bdd3101900f94

Download Submit
memory/2632-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2632-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2632-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2632-9-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2764-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2764-17-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2764-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2764-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2764-27-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2764-22-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2764-32-0x00000000030A0000-0x0000000003233000-memory.dmp

Filesize
1.6MB

Download

Analysis

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