xmrig | 0b1aa1513dba1c7adf557d9e7dee2f39bd3cdfedd465a1d07abd375cadf8eef1

General

Target

ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe
Size

784KB
MD5

ef80f56cd882793098a562eaa94a01fb
SHA1

aabec7f4e5bcd901a6fa964df213eb2ba7bd969d
SHA256

0b1aa1513dba1c7adf557d9e7dee2f39bd3cdfedd465a1d07abd375cadf8eef1
SHA512

20c11bb2ff9068dd912457424d2306d58de51b05ddde5cb79145a4c779cc95525a577bcd1f7493ce265c5a304a92fdafb200121745429f57827db863e7b86078
SSDEEP

24576:v0yYvWMjB2JV10vOjz+6Lnigf7oHIMcguAOY:v0y4PlNv2k/cgQ

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 9 IoCs

miner

resource	yara_rule
behavioral1/memory/2068-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2068-16-0x0000000003270000-0x0000000003582000-memory.dmp	xmrig
behavioral1/memory/2068-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2144-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2144-33-0x00000000030F0000-0x0000000003283000-memory.dmp	xmrig
behavioral1/memory/2144-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2144-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2144-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2068-36-0x0000000003270000-0x0000000003582000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2144	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0063000000011c27-10.dat	upx
behavioral1/memory/2144-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2068-16-0x0000000003270000-0x0000000003582000-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	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe
2144	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2144	2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2144	2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2144	2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2144	2068	ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2144

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\ef80f56cd882793098a562eaa94a01fb_JaffaCakes118.exe

Filesize
784KB

MD5
29dda2bfc254408b1088d6502cd41e3f

SHA1
b3f0b1cfd52167d3eb3ff92fee831b5ccc3aac54

SHA256
a5edb4ae4ae0d3e6d2dd5c946f35c03738a148bb7562c117efd63423aa4b15b4

SHA512
856bc7f798a18548c95ef641397e50a2839b3b14aba6500975241994c5ac6b79c471575a7f8833159714d503b1b2a43ab441ec4e8cc0b7efd4efb30f30816ba0

Download Submit
memory/2068-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2068-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2068-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2068-16-0x0000000003270000-0x0000000003582000-memory.dmp

Filesize
3.1MB

Download
memory/2068-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2068-36-0x0000000003270000-0x0000000003582000-memory.dmp

Filesize
3.1MB

Download
memory/2144-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2144-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2144-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2144-33-0x00000000030F0000-0x0000000003283000-memory.dmp

Filesize
1.6MB

Download
memory/2144-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2144-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2144-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download

Analysis

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