xmrig | 7f99a5511d28b5d826f3c4c39d4b5efa3801d42433014fb5dbc7136636bb5a0b

General

Target

a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe
Size

784KB
MD5

a35f928d279f47cf0bfc9c3d9da23347
SHA1

78eb7d20404384b19921b2295a707df29a69e819
SHA256

7f99a5511d28b5d826f3c4c39d4b5efa3801d42433014fb5dbc7136636bb5a0b
SHA512

3f8f392c9f92cdda7dbb81b5d17d700c0725d1092d9f266916d044c2a5f712f69518861617ef05fb8331b0f55d2ceae2f7705fc1f051405eb35e19de800a8e8c
SSDEEP

24576:rYqgMovSNeO8VyqdNPz1ajcDIW34wQFl2D:r0vSelP00/34wQFl2

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/2608-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2608-15-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2988-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2988-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2988-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2988-32-0x0000000003180000-0x0000000003313000-memory.dmp	xmrig
behavioral1/memory/2988-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2988	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2608-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x00070000000120fb-10.dat	upx
behavioral1/memory/2608-12-0x00000000031F0000-0x0000000003502000-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	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe
2988	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 2988	2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe	31
PID 2608 wrote to memory of 2988	2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe	31
PID 2608 wrote to memory of 2988	2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe	31
PID 2608 wrote to memory of 2988	2608	a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2988

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\a35f928d279f47cf0bfc9c3d9da23347_JaffaCakes118.exe

Filesize
784KB

MD5
23a90d640a94767e634b2a8ce16a0f0b

SHA1
70d213e9296eb37c3137cee3e1cd35804333a04f

SHA256
2e2e7ca943547fecac3df9525775f141438da9c6816310429bc28256ea1888b1

SHA512
067fa1b304abf5589eaeb34068a6b6411750b837a9c970b53e93591d17704e68d77afb7209f835d4095b85651923dd5a64f2a10420eb257aef366b631af40704

Download Submit
memory/2608-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2608-1-0x0000000000330000-0x00000000003F4000-memory.dmp

Filesize
784KB

Download
memory/2608-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2608-15-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2608-12-0x00000000031F0000-0x0000000003502000-memory.dmp

Filesize
3.1MB

Download
memory/2988-17-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2988-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2988-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2988-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2988-32-0x0000000003180000-0x0000000003313000-memory.dmp

Filesize
1.6MB

Download
memory/2988-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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