xmrig | ef37d8c0176126bb2b83d0708681646cfb0fd60a335b2d6fe69b31e5742fac38

General

Target

d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe
Size

784KB
MD5

d9f4bdb1c6b09cff998e2fba88adf9b0
SHA1

24f38fb427e48125ecf724f0984b0cbaeed77254
SHA256

ef37d8c0176126bb2b83d0708681646cfb0fd60a335b2d6fe69b31e5742fac38
SHA512

5b1839532e1ff41b206d161b12e9f4a4efa7d1c556cac7ff16dea5812185db3a25d2da4847f0fe46c87fa8e281f3aaae55a3de691a30f9e1b625e5279f87ca17
SSDEEP

24576:VRh6VcNVe2b7NG5fc91eH5Apa21y9SqalRsav:IcNn2fK8H6pafQ

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/2376-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2376-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2376-15-0x00000000030E0000-0x00000000033F2000-memory.dmp	xmrig
behavioral1/memory/2968-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2968-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2968-26-0x0000000003150000-0x00000000032E3000-memory.dmp	xmrig
behavioral1/memory/2968-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2968	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2968	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2376-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000b000000012263-12.dat	upx
behavioral1/memory/2968-17-0x0000000000400000-0x0000000000712000-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	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe
2968	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2968	2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe	32
PID 2376 wrote to memory of 2968	2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe	32
PID 2376 wrote to memory of 2968	2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe	32
PID 2376 wrote to memory of 2968	2376	d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2968

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\d9f4bdb1c6b09cff998e2fba88adf9b0_JaffaCakes118.exe

Filesize
784KB

MD5
883cf7b5e574c001052ec833ed9318ac

SHA1
ee9f4834c1b1397fce43835d3c76c90181b1a5f8

SHA256
ffa3680fee335602ac5b7d707e9543f191a5e962b1eace9148f54891431d58da

SHA512
27a59559367c6bb4c096f3aefbbfe69a856c7004ee8bcf8077c042e10de0854b7f9ceac19e92d682a59537f239fda9bc7af50199074b2ccf700c2003a3b0fa51

Download Submit
memory/2376-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2376-1-0x0000000000320000-0x00000000003E4000-memory.dmp

Filesize
784KB

Download
memory/2376-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2376-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2376-15-0x00000000030E0000-0x00000000033F2000-memory.dmp

Filesize
3.1MB

Download
memory/2968-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2968-18-0x0000000000210000-0x00000000002D4000-memory.dmp

Filesize
784KB

Download
memory/2968-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2968-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2968-26-0x0000000003150000-0x00000000032E3000-memory.dmp

Filesize
1.6MB

Download
memory/2968-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download

Analysis

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