19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

General

Target

19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe
Size

43KB
MD5

d6aa3f866713a446f464542cc36caa87
SHA1

54854abc0892e096be0d4e72c248a372eedf0e25
SHA256

19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8
SHA512

af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e
SSDEEP

768:aUHDZ8y9MHHSqSwfSre9WTZ2S1581N6HUjHPSqvtK1o7Mr1PTEN5a38HCCjPka66:faWE5o81W1bEDHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Chrome.exe

pid process

4396 Chrome.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5116 netsh.exe

pid	process
5116	netsh.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:

19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe

Drops startup file 2 IoCs

Processes:

Chrome.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e79d569ba77562f0d4316e586835f0a2.exe	Chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e79d569ba77562f0d4316e586835f0a2.exe	Chrome.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Chrome.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e79d569ba77562f0d4316e586835f0a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e79d569ba77562f0d4316e586835f0a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

Chrome.exe

pid	process
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe
4396	Chrome.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

dw20.exeChrome.exe

description	pid	process
Token: SeRestorePrivilege	432	dw20.exe
Token: SeBackupPrivilege	432	dw20.exe
Token: SeDebugPrivilege	4396	Chrome.exe
Token: SeBackupPrivilege	432	dw20.exe
Token: SeBackupPrivilege	432	dw20.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exeChrome.exe

description	pid	process	target process
PID 5040 wrote to memory of 4396	5040	19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe	Chrome.exe
PID 5040 wrote to memory of 4396	5040	19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe	Chrome.exe
PID 5040 wrote to memory of 4396	5040	19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe	Chrome.exe
PID 4396 wrote to memory of 432	4396	Chrome.exe	dw20.exe
PID 4396 wrote to memory of 432	4396	Chrome.exe	dw20.exe
PID 4396 wrote to memory of 432	4396	Chrome.exe	dw20.exe
PID 4396 wrote to memory of 5116	4396	Chrome.exe	netsh.exe
PID 4396 wrote to memory of 5116	4396	Chrome.exe	netsh.exe
PID 4396 wrote to memory of 5116	4396	Chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe
"C:\Users\Admin\AppData\Local\Temp\19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5040

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 780
3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:432

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:5116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
Filesize
43KB

MD5
d6aa3f866713a446f464542cc36caa87

SHA1
54854abc0892e096be0d4e72c248a372eedf0e25

SHA256
19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

SHA512
af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Chrome.exe
Filesize
43KB

MD5
d6aa3f866713a446f464542cc36caa87

SHA1
54854abc0892e096be0d4e72c248a372eedf0e25

SHA256
19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

SHA512
af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e

Download Submit
memory/432-136-0x0000000000000000-mapping.dmp

Download
memory/4396-133-0x0000000000000000-mapping.dmp

Download
memory/4396-138-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/4396-140-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/5040-132-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/5040-139-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/5116-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads