8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0

General

Target

8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe
Size

655KB
MD5

2ad02c3e1cb7a5fbbe3d14338d5d5e03
SHA1

e7e5b3996502beae37d681766e58063773b1c385
SHA256

8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0
SHA512

19fb2ed1d6f811ad54558453385625614a378aa5cd2dbe464b648abc444d15f3758c74e8301e935b114a105259fe7df2fcc6a8a500e90b14a3f157ef49551c16
SSDEEP

12288:d4o51BciOj8M4CvPn6QGny7uCc5xo5qEE:ptvMVvPHmc3y

Score

8^/10

persistence vmprotect

Malware Config

Signatures

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

16.exeexplorer.exe

pid process

3724 16.exe
4184 explorer.exe

pid	process
3724	16.exe
4184	explorer.exe

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
behavioral1/memory/4184-141-0x00007FF68DFA0000-0x00007FF68E835000-memory.dmp	vmprotect
behavioral1/memory/4184-142-0x00007FF68DFA0000-0x00007FF68E835000-memory.dmp	vmprotect

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:

8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	16.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer\\explorer.exe"	16.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 2 IoCs

Processes:

explorer.exe

pid process

4184 explorer.exe
4184 explorer.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe

description pid process

Token: SeDebugPrivilege 1436 8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe

pid	process
4184	explorer.exe
4184	explorer.exe

description	pid	process
Token: SeDebugPrivilege	1436	8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe16.execmd.exe

description	pid	process	target process
PID 1436 wrote to memory of 3724	1436	8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe	16.exe
PID 1436 wrote to memory of 3724	1436	8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe	16.exe
PID 1436 wrote to memory of 3724	1436	8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe	16.exe
PID 3724 wrote to memory of 3652	3724	16.exe	cmd.exe
PID 3724 wrote to memory of 3652	3724	16.exe	cmd.exe
PID 3724 wrote to memory of 3652	3724	16.exe	cmd.exe
PID 3652 wrote to memory of 4184	3652	cmd.exe	explorer.exe
PID 3652 wrote to memory of 4184	3652	cmd.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe
"C:\Users\Admin\AppData\Local\Temp\8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436

C:\Windows\Temp\16.exe
"C:\Windows\Temp\16.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3724

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3652

C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4184

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
C:\Windows\Temp\16.exe
Filesize
115KB

MD5
5abe44351d425458a0b1aa5c6a2d007c

SHA1
1cf91938b5d6a1d49531d07fc4d0612b4ce18365

SHA256
7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

SHA512
557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

Download Submit
C:\Windows\Temp\16.exe
Filesize
115KB

MD5
5abe44351d425458a0b1aa5c6a2d007c

SHA1
1cf91938b5d6a1d49531d07fc4d0612b4ce18365

SHA256
7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

SHA512
557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

Download Submit
memory/1436-133-0x0000000000E20000-0x0000000000ECA000-memory.dmp

Filesize
680KB

Download
memory/3652-137-0x0000000000000000-mapping.dmp

Download
memory/3724-134-0x0000000000000000-mapping.dmp

Download
memory/4184-138-0x0000000000000000-mapping.dmp

Download
memory/4184-141-0x00007FF68DFA0000-0x00007FF68E835000-memory.dmp

Filesize
8.6MB

Download
memory/4184-142-0x00007FF68DFA0000-0x00007FF68E835000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads