af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c

General

Target

af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe
Size

2.2MB
MD5

f70bd1985919af9ced0c0e3a6c0053a4
SHA1

a5ae4a6ae59895dd6b8397f2eb6e67492feaea31
SHA256

af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c
SHA512

81788c651f53d182dfdd87c2579367e9e9efb3e08176dddfc7e4cf67b1bafbf8591482898a508a526a2e468405a895e8c53e99aae455b9b2ba14677b926c9e19
SSDEEP

49152:5wscJtX8MJ29UV6B5hZyyf3NPyUCz6RxPSYsm2Lf:5wsIXR29VLryyxPRSm2Lf

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Protector-rkhm.exe

pid process

2592 Protector-rkhm.exe

pid	process
2592	Protector-rkhm.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3700-132-0x0000000000400000-0x000000000076B000-memory.dmp	upx
behavioral2/memory/3700-133-0x0000000000400000-0x00000000009A5000-memory.dmp	upx
behavioral2/memory/3700-135-0x0000000000400000-0x00000000009A5000-memory.dmp	upx
behavioral2/memory/3700-136-0x0000000000400000-0x00000000009A5000-memory.dmp	upx
behavioral2/memory/2592-141-0x0000000000400000-0x000000000076B000-memory.dmp	upx
behavioral2/memory/3700-144-0x0000000000400000-0x000000000076B000-memory.dmp	upx

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:

af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exeProtector-rkhm.exe

description	pid	process
Token: SeDebugPrivilege	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe
Token: SeDebugPrivilege	2592	Protector-rkhm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exeProtector-rkhm.exe

pid process

3700 af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe
2592 Protector-rkhm.exe

pid	process
3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe
2592	Protector-rkhm.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe

description	pid	process	target process
PID 3700 wrote to memory of 2592	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe	Protector-rkhm.exe
PID 3700 wrote to memory of 2592	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe	Protector-rkhm.exe
PID 3700 wrote to memory of 2592	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe	Protector-rkhm.exe
PID 3700 wrote to memory of 764	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe	cmd.exe
PID 3700 wrote to memory of 764	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe	cmd.exe
PID 3700 wrote to memory of 764	3700	af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe
"C:\Users\Admin\AppData\Local\Temp\af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3700

C:\Users\Admin\AppData\Roaming\Protector-rkhm.exe
C:\Users\Admin\AppData\Roaming\Protector-rkhm.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2592

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\AF75DF~1.EXE" >> NUL
2⤵
PID:764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Roaming\Protector-rkhm.exe
Filesize
2.2MB

MD5
f70bd1985919af9ced0c0e3a6c0053a4

SHA1
a5ae4a6ae59895dd6b8397f2eb6e67492feaea31

SHA256
af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c

SHA512
81788c651f53d182dfdd87c2579367e9e9efb3e08176dddfc7e4cf67b1bafbf8591482898a508a526a2e468405a895e8c53e99aae455b9b2ba14677b926c9e19

Download Submit
C:\Users\Admin\AppData\Roaming\Protector-rkhm.exe
Filesize
2.2MB

MD5
f70bd1985919af9ced0c0e3a6c0053a4

SHA1
a5ae4a6ae59895dd6b8397f2eb6e67492feaea31

SHA256
af75df72f2a58ba56e402a3e1e19d9fa16daa87107d94c3c82a3d2aeaacc887c

SHA512
81788c651f53d182dfdd87c2579367e9e9efb3e08176dddfc7e4cf67b1bafbf8591482898a508a526a2e468405a895e8c53e99aae455b9b2ba14677b926c9e19

Download Submit
memory/764-143-0x0000000000000000-mapping.dmp

Download
memory/2592-142-0x0000000074250000-0x00000000742E3000-memory.dmp

Filesize
588KB

Download
memory/2592-137-0x0000000000000000-mapping.dmp

Download
memory/2592-141-0x0000000000400000-0x000000000076B000-memory.dmp

Filesize
3.4MB

Download
memory/3700-136-0x0000000000400000-0x00000000009A5000-memory.dmp

Filesize
5.6MB

Download
memory/3700-135-0x0000000000400000-0x00000000009A5000-memory.dmp

Filesize
5.6MB

Download
memory/3700-134-0x0000000074250000-0x00000000742E3000-memory.dmp

Filesize
588KB

Download
memory/3700-132-0x0000000000400000-0x000000000076B000-memory.dmp

Filesize
3.4MB

Download
memory/3700-133-0x0000000000400000-0x00000000009A5000-memory.dmp

Filesize
5.6MB

Download
memory/3700-144-0x0000000000400000-0x000000000076B000-memory.dmp

Filesize
3.4MB

Download
memory/3700-145-0x0000000074250000-0x00000000742E3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads