xmrig | c2ad8e004cbc781c01a19e8761dc9c325b937020830e1295b5eb3dd24c1710e1

General

Target

reghost.exe
Size

2.5MB
MD5

3243902becd4fce3f65be459aef674a1
SHA1

963ddcc8bbc5d1d345546219d9db7f19c86993ed
SHA256

c2ad8e004cbc781c01a19e8761dc9c325b937020830e1295b5eb3dd24c1710e1
SHA512

20e63d888df95c7ad29d76d92b438981186015f32a5f7bb08568c09409c62b7f8fd14560deaa337faecfac0df264e189915eea040a2eb534d2d0a08bd6954add
SSDEEP

49152:oXpa/937SR/wufh+2TY4fFnYUtTmiHW9OWLTyWI5zjn4psD:oXpa/9Lyd+2TYRU72nLGhjnIA

Score

10^/10

xmrig evasion miner persistence upx

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 10 IoCs

miner

resource	yara_rule
behavioral1/memory/2672-18-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-19-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-21-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-22-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-23-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-24-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-25-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-26-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-27-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2672-28-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Executes dropped EXE 2 IoCs

pid	Process
468	Process not Found
2668	reghost.exe

Loads dropped DLL 1 IoCs

pid	Process
468	Process not Found

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2672-12-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-14-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-15-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-16-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-17-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-18-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-19-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-21-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-22-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-23-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-24-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-25-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-26-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-27-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2672-28-0x0000000140000000-0x0000000140848000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
5	pastebin.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 2516	2668	reghost.exe	37
PID 2668 set thread context of 2672	2668	reghost.exe	38

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2552	sc.exe
2944	sc.exe
2468	sc.exe
2508	sc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2888	reghost.exe
2888	reghost.exe
2888	reghost.exe
2888	reghost.exe
2668	reghost.exe
2668	reghost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	2672	conhost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2516	2668	reghost.exe	37
PID 2668 wrote to memory of 2672	2668	reghost.exe	38
PID 2668 wrote to memory of 2672	2668	reghost.exe	38
PID 2668 wrote to memory of 2672	2668	reghost.exe	38
PID 2668 wrote to memory of 2672	2668	reghost.exe	38
PID 2668 wrote to memory of 2672	2668	reghost.exe	38

C:\Users\Admin\AppData\Local\Temp\reghost.exe
"C:\Users\Admin\AppData\Local\Temp\reghost.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2888
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "Registryhost"
  2⤵
  - Launches sc.exe
  PID:2552
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe create "Registryhost" binpath= "C:\ProgramData\registry\reghost.exe" start= "auto"
  2⤵
  - Launches sc.exe
  PID:2944
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:2468
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "Registryhost"
  2⤵
  - Launches sc.exe
  PID:2508

C:\ProgramData\registry\reghost.exe
C:\ProgramData\registry\reghost.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2516
- C:\Windows\system32\conhost.exe
  conhost.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\registry\reghost.exe

Filesize
2.5MB

MD5
3243902becd4fce3f65be459aef674a1

SHA1
963ddcc8bbc5d1d345546219d9db7f19c86993ed

SHA256
c2ad8e004cbc781c01a19e8761dc9c325b937020830e1295b5eb3dd24c1710e1

SHA512
20e63d888df95c7ad29d76d92b438981186015f32a5f7bb08568c09409c62b7f8fd14560deaa337faecfac0df264e189915eea040a2eb534d2d0a08bd6954add

Download Submit
memory/2516-5-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2516-7-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2516-8-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2516-11-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2516-6-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2516-4-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2672-18-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-22-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-15-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-16-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-17-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-12-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-20-0x00000000002F0000-0x0000000000310000-memory.dmp

Filesize
128KB

Download
memory/2672-19-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-21-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-14-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-23-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-24-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-25-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-26-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-27-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-28-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2672-29-0x0000000000350000-0x0000000000370000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing