xmrig | 659f7105e82b0575c09724e9ad1a41c48bb1fe4fb84bbdca827226ffe130218f

General

Target

b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe
Size

784KB
MD5

b1d81cdcab2ee57b31be5f40b4a42b7a
SHA1

5b75efa53233808b8965053d373c109c661fcba1
SHA256

659f7105e82b0575c09724e9ad1a41c48bb1fe4fb84bbdca827226ffe130218f
SHA512

e4983879a5ca3b2e382d778a115296d61c89c8d571b38724c8d81e5c9303af938422527c36f5acd7a4c179f43fbfcb52677a14fb083dab80840598cab7d900fe
SSDEEP

24576:bDYOJD5EkLUD+9MNhUb5ZwbVw0jozbrI8:bp9EiUD+9MGZwpbSZ

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/2232-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2232-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2808-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2808-33-0x0000000003150000-0x00000000032E3000-memory.dmp	xmrig
behavioral1/memory/2808-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2808-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2232-35-0x0000000003250000-0x0000000003562000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2808	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0008000000012115-10.dat	upx
behavioral1/memory/2808-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2232-16-0x0000000003250000-0x0000000003562000-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	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe
2808	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2808	2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2808	2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2808	2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2808	2232	b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2808

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\b1d81cdcab2ee57b31be5f40b4a42b7a_JaffaCakes118.exe

Filesize
784KB

MD5
1c9ca957f29a6c566389a772bdc5b7e5

SHA1
1ca432a4f2951f97bc54a17b4a61c4a3f374afa7

SHA256
090b7868b4d9987e5f4c6ca49612b0ce8996e365d26f99ff9d28c813993ba3ae

SHA512
61e9bce4643c8816632d172533f3dfc7a8b216f2494fde235cac0334c5a3021b0faf075c4fbf69b48a241deab65faa6043bb3e401af2eacbb9ce1abea7852a2d

Download Submit
memory/2232-16-0x0000000003250000-0x0000000003562000-memory.dmp

Filesize
3.1MB

Download
memory/2232-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2232-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2232-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2232-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2232-35-0x0000000003250000-0x0000000003562000-memory.dmp

Filesize
3.1MB

Download
memory/2808-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2808-18-0x00000000002E0000-0x00000000003A4000-memory.dmp

Filesize
784KB

Download
memory/2808-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2808-33-0x0000000003150000-0x00000000032E3000-memory.dmp

Filesize
1.6MB

Download
memory/2808-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2808-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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