xmrig | 1a2f0e9f51458dac7d12dde6387e51967a96f3f5513c581b494f656341b6a564

General

Target

cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe
Size

784KB
MD5

cfcf09e7211e3a44012b897a0f4363c7
SHA1

f35508d0370de991ba61d331645b99fe2dbae4fc
SHA256

1a2f0e9f51458dac7d12dde6387e51967a96f3f5513c581b494f656341b6a564
SHA512

d644d0958ea068dab3fba31776bdcef7aa9d0e495089e5c22a9050fd28a409734f391533b25b128b22a9aa3f05d5f147f91edf00370db62016fb5d12c7310342
SSDEEP

24576:2dkjuCHi+qqMrNrKYtfLtZdG9LJ+/ngmVkFd:2d+THi+qqMIczk9oIIk

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/3060-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/3060-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/3060-12-0x0000000003220000-0x0000000003532000-memory.dmp	xmrig
behavioral1/memory/2180-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2180-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2180-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2180-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2180-33-0x00000000030F0000-0x0000000003283000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2180	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2180	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00230000000186b7-16.dat	upx
behavioral1/memory/3060-12-0x0000000003220000-0x0000000003532000-memory.dmp	upx
behavioral1/memory/2180-17-0x0000000000400000-0x0000000000712000-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	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe
2180	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2180	3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe	30
PID 3060 wrote to memory of 2180	3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe	30
PID 3060 wrote to memory of 2180	3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe	30
PID 3060 wrote to memory of 2180	3060	cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2180

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\cfcf09e7211e3a44012b897a0f4363c7_JaffaCakes118.exe

Filesize
784KB

MD5
83a11c5785d6b65bb61352a7fc7634ba

SHA1
02aef844bfe3d2953fa82f96e59677059cf2396f

SHA256
147342bc62b4d76ba64226d388f3c4d411e61e74aa754e55300aaf503645819e

SHA512
1d8d34ad02644a7b4074a80e366f5eb8acee0fcc21ab39ed47d7f3c15e98edb6622bb5f7383ff0863cae3da0ac662e1e3d780ec7243eb6b7f6fe0788a5d7371b

Download Submit
memory/2180-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2180-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2180-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2180-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2180-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2180-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2180-33-0x00000000030F0000-0x0000000003283000-memory.dmp

Filesize
1.6MB

Download
memory/3060-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3060-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/3060-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3060-12-0x0000000003220000-0x0000000003532000-memory.dmp

Filesize
3.1MB

Download
memory/3060-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download

Analysis

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