xmrig | 9ae8c7b3d9e2b126d659dbddbdb90c70d0d2ff89727fa1e993d7ecfce86e91c2

General

Target

f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe
Size

784KB
MD5

f4ecefa9002f2d4725524f3a70f52710
SHA1

3cc51e4ad550a10dc09af47469dff34d566bc66d
SHA256

9ae8c7b3d9e2b126d659dbddbdb90c70d0d2ff89727fa1e993d7ecfce86e91c2
SHA512

d8fe365637de328bcc6861afec7ac68395d959785eaf3c1f0b753576983398c8ddf4bd107e0ce16dc09ac8e0fecb89d19931b9f72335627e5f891c6a2e39e4e2
SSDEEP

12288:3fm22YPefg9s4X8qYle06WOERiCAMO6roYScjb39GysU1pLXCwcxtOqRtKBNuLJ:3jLGMsY0lOERiCfoy3jsGpX4R8Bm

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/2600-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2600-15-0x00000000030E0000-0x00000000033F2000-memory.dmp	xmrig
behavioral1/memory/2600-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2388-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2388-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2388-33-0x0000000003130000-0x00000000032C3000-memory.dmp	xmrig
behavioral1/memory/2388-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2388-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2388	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000e000000012261-10.dat	upx
behavioral1/memory/2600-15-0x00000000030E0000-0x00000000033F2000-memory.dmp	upx
behavioral1/memory/2388-17-0x0000000000400000-0x0000000000712000-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	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe
2388	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2388	2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe	31
PID 2600 wrote to memory of 2388	2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe	31
PID 2600 wrote to memory of 2388	2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe	31
PID 2600 wrote to memory of 2388	2600	f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2388

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

\Users\Admin\AppData\Local\Temp\f4ecefa9002f2d4725524f3a70f52710_JaffaCakes118.exe

Filesize
784KB

MD5
8874f32e5cd476c335e36c4dfd13282c

SHA1
9ed553398d4c49d3170a6b13ad1fcddcf9b00e51

SHA256
08815a00821ca7807d21bf4ff26fa58a0f250407a5198a208e63f3dee8639b67

SHA512
52f9cdf9cb71ac65a3d863d745e6f8e8da1ac97af0529c50f7490a4592f54fcc2418aaca930dcf2a0094250220d049d771abd7f6566f8f1777a43affa5104733

Download Submit
memory/2388-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2388-18-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2388-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2388-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2388-33-0x0000000003130000-0x00000000032C3000-memory.dmp

Filesize
1.6MB

Download
memory/2388-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2388-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2600-4-0x0000000000330000-0x00000000003F4000-memory.dmp

Filesize
784KB

Download
memory/2600-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2600-15-0x00000000030E0000-0x00000000033F2000-memory.dmp

Filesize
3.1MB

Download
memory/2600-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2600-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download

Analysis

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