xmrig | 607626fde0a0263edd41db4721523682cb343600ef083fc78f23f04ca8be04b1

General

Target

mBBBgvD.exe
Size

2.3MB
MD5

120b148606efb6400aa3aeb9ce44a668
SHA1

e7488d6d0893c4d074f69718c8ee32da42d98207
SHA256

607626fde0a0263edd41db4721523682cb343600ef083fc78f23f04ca8be04b1
SHA512

6a5888c08f9378805978f53fd01a93dcc7f202198c12e57376c794e3f60d04c1b67dd6f51156c2ded32ae318cf73baa2b9f811fe1e99de4ddc86ac35bc2a2a43
SSDEEP

49152:W1vr8uwYtUeKFj/c2e4r7XplKVZo0juLx1hZf18E2yujq3:W1freFj/c2e4rinaj8E2hg

Score

10^/10

xmrig xworm discovery miner rat trojan

Malware Config

Extracted

Family

xworm

C2

95.164.19.68:1987

Mutex

humtwXiPPZ6S5Ma5

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023cb7-15.dat	family_xworm
behavioral2/memory/4680-25-0x00000000004A0000-0x00000000004B2000-memory.dmp	family_xworm

Xmrig family
xmrig
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 11 IoCs

miner

resource	yara_rule
behavioral2/memory/3824-30-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-32-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-35-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-36-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-40-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-39-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-38-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-37-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-29-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-43-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3824-44-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation	mBBBgvD.exe

Executes dropped EXE 2 IoCs

pid	Process
2544	8oEhnOmMoa.exe
4680	r8oGWMoAuS.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 3824	2544	8oEhnOmMoa.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	mBBBgvD.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4680	r8oGWMoAuS.exe
Token: SeDebugPrivilege	2544	8oEhnOmMoa.exe
Token: SeLockMemoryPrivilege	3824	explorer.exe
Token: SeLockMemoryPrivilege	3824	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 2544	116	mBBBgvD.exe	87
PID 116 wrote to memory of 2544	116	mBBBgvD.exe	87
PID 116 wrote to memory of 4680	116	mBBBgvD.exe	88
PID 116 wrote to memory of 4680	116	mBBBgvD.exe	88
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90
PID 2544 wrote to memory of 3824	2544	8oEhnOmMoa.exe	90

C:\Users\Admin\AppData\Local\Temp\mBBBgvD.exe
"C:\Users\Admin\AppData\Local\Temp\mBBBgvD.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Roaming\8oEhnOmMoa.exe
  "C:\Users\Admin\AppData\Roaming\8oEhnOmMoa.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\explorer.exe
    C:\Windows\explorer.exe --cinit-find-x -B --algo="rx/0" --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=pool.hashvault.pro:443 --user=83WC3ZPssiBd2F1wky22B8jUzY9vMUhR7DT8D7fqbm3SRjBzHiRm4ShbVzFZ72oousCnk8UTWMMRq9L2HHkka8D9Mm6TWM6 --pass=x --cpu-max-threads-hint=20
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3824
- C:\Users\Admin\AppData\Roaming\r8oGWMoAuS.exe
  "C:\Users\Admin\AppData\Roaming\r8oGWMoAuS.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Roaming\8oEhnOmMoa.exe

Filesize
2.1MB

MD5
b2a071577416531d00c3292c79d4948e

SHA1
9918560650b15f7320361c003ab74c4c2009fe80

SHA256
3fcadd3a9814a92abb993d778461db81480ba979b0da02f61947bc9fa99dbea6

SHA512
6a939c6c43819fc84108a240d530aeb41c3ddfda52bf33430e24db9fba69e5c8577b3cace41c929179b306bf75c132410b45cc70d3e0692ad95ed34dec658175

Download Submit
C:\Users\Admin\AppData\Roaming\r8oGWMoAuS.exe

Filesize
47KB

MD5
3849de855221df5c59aaf6da5ed9d7e6

SHA1
09d3eb1497ab5f7309bb89650108385e2c9f17c5

SHA256
0373a886b98fcfec95445ba4232269961bd6eddda3612f08d0c57a2c3ba7ea6d

SHA512
d6c1adf42b0b8d56a5a0f5dba64cc0053b8051fe08f8e8e642d3663ea8fc2639f24cd2ad42e8d8e9012c42ded48a2cf1251230c70d7c61021ba196928e2e02be

Download Submit
memory/2544-28-0x00007FFF68E30000-0x00007FFF698F1000-memory.dmp

Filesize
10.8MB

Download
memory/2544-22-0x00007FFF68E33000-0x00007FFF68E35000-memory.dmp

Filesize
8KB

Download
memory/2544-23-0x0000000000BC0000-0x0000000000DD8000-memory.dmp

Filesize
2.1MB

Download
memory/2544-24-0x00000000018B0000-0x00000000018C2000-memory.dmp

Filesize
72KB

Download
memory/2544-34-0x00007FFF68E30000-0x00007FFF698F1000-memory.dmp

Filesize
10.8MB

Download
memory/3824-39-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-38-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-33-0x0000000000EE0000-0x0000000000F00000-memory.dmp

Filesize
128KB

Download
memory/3824-32-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-44-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-35-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-36-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-40-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-43-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-29-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-30-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3824-37-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4680-41-0x000000001B1F0000-0x000000001B200000-memory.dmp

Filesize
64KB

Download
memory/4680-42-0x00007FFF68E30000-0x00007FFF698F1000-memory.dmp

Filesize
10.8MB

Download
memory/4680-25-0x00000000004A0000-0x00000000004B2000-memory.dmp

Filesize
72KB

Download
memory/4680-27-0x00007FFF68E30000-0x00007FFF698F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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