xmrig | 2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef

General

Target

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
Size

2.1MB
MD5

457115eb0e95e1377f8beaa00b545871
SHA1

9cb01f9d44134355f9f55cf68ef02740e2aee8f0
SHA256

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef
SHA512

55328834359be46e42b34afa96c89fc26a52928768bd6ecff0a49f5d823d97e3e3d3b3f53e6de9a18549856517d8ccfc1e9cc363e6360a91fa0ea7aa9a36ce5a
SSDEEP

49152:Uzb5vW78fienXiALMq/09Jbqj0s/YYP6mN:IxhieXt09jaIm

Score

10^/10

xmrig miner persistence

Malware Config

Signatures

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

XMRig Miner payload 6 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/824-141-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral2/memory/824-142-0x00000001402CCBC8-mapping.dmp	xmrig
behavioral2/memory/824-144-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral2/memory/824-145-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral2/memory/824-147-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral2/memory/824-148-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

Processes:

BrowserUpdate.exe

pid process

220 BrowserUpdate.exe

pid	process
220	BrowserUpdate.exe

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

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

Cryptocurrency Miner
Makes network request to known mining pool URL.
miner

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BrowserUpdate.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BrowserUpdate.exe"	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BrowserUpdate.exe

description pid process target process

PID 220 set thread context of 824 220 BrowserUpdate.exe svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 220 set thread context of 824	220	BrowserUpdate.exe	svchost.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

pid	process
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exeBrowserUpdate.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
Token: SeDebugPrivilege	220	BrowserUpdate.exe
Token: SeLockMemoryPrivilege	824	svchost.exe
Token: SeLockMemoryPrivilege	824	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exeBrowserUpdate.exe

description	pid	process	target process
PID 4252 wrote to memory of 220	4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe	BrowserUpdate.exe
PID 4252 wrote to memory of 220	4252	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe	BrowserUpdate.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe
PID 220 wrote to memory of 824	220	BrowserUpdate.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
"C:\Users\Admin\AppData\Local\Temp\2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252

C:\Users\Admin\AppData\Local\Temp\BrowserUpdate.exe
"C:\Users\Admin\AppData\Local\Temp\BrowserUpdate.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220

C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe -B --coin=monero --asm=auto --cpu-memory-pool=-1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=stratum+tcp://xmr.pool.minergate.com:45700 [email protected] --pass= --cpu-max-threads-hint=40 --donate-level=5 --unam-idle-wait=5 --unam-idle-cpu=90 --unam-stealth
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BrowserUpdate.exe
Filesize
2.1MB

MD5
457115eb0e95e1377f8beaa00b545871

SHA1
9cb01f9d44134355f9f55cf68ef02740e2aee8f0

SHA256
2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef

SHA512
55328834359be46e42b34afa96c89fc26a52928768bd6ecff0a49f5d823d97e3e3d3b3f53e6de9a18549856517d8ccfc1e9cc363e6360a91fa0ea7aa9a36ce5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\BrowserUpdate.exe
Filesize
2.1MB

MD5
457115eb0e95e1377f8beaa00b545871

SHA1
9cb01f9d44134355f9f55cf68ef02740e2aee8f0

SHA256
2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef

SHA512
55328834359be46e42b34afa96c89fc26a52928768bd6ecff0a49f5d823d97e3e3d3b3f53e6de9a18549856517d8ccfc1e9cc363e6360a91fa0ea7aa9a36ce5a

Download Submit
memory/220-140-0x00007FF8F91E0000-0x00007FF8F9CA1000-memory.dmp

Filesize
10.8MB

Download
memory/220-139-0x0000000002DB0000-0x0000000002DC2000-memory.dmp

Filesize
72KB

Download
memory/220-134-0x0000000000000000-mapping.dmp

Download
memory/220-143-0x00007FF8F91E0000-0x00007FF8F9CA1000-memory.dmp

Filesize
10.8MB

Download
memory/220-138-0x00007FF8F91E0000-0x00007FF8F9CA1000-memory.dmp

Filesize
10.8MB

Download
memory/824-141-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/824-142-0x00000001402CCBC8-mapping.dmp

Download
memory/824-144-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/824-145-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/824-146-0x00000273773D0000-0x00000273773E4000-memory.dmp

Filesize
80KB

Download
memory/824-147-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/824-148-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/4252-132-0x0000000000250000-0x0000000000470000-memory.dmp

Filesize
2.1MB

Download
memory/4252-133-0x00007FF8F91E0000-0x00007FF8F9CA1000-memory.dmp

Filesize
10.8MB

Download
memory/4252-137-0x00007FF8F91E0000-0x00007FF8F9CA1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads