0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962

Analysis

max time kernel
109s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 06:28

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General

Target

0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe
Size

1.4MB
MD5

ef7cd0d2c63b938d5612d63a6723b279
SHA1

6329d072b8737301f713dad2e522749f3953f0d1
SHA256

0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962
SHA512

f45fa6f9365ac2eac80563e58cfaeb09c780599723d4db00a9932205a8ed03a1c2ade8b0fe1c9da429ec293416ab60510c80d96df1171d750e4ed313e1954768
SSDEEP

24576:JLllLl7tEtlvpLB+vKVmsXxGa3gOpxzPFgzY6M8LlXD9ZNW3U1MdAa:hllL8lvtICzwGtpxGs6nLlXD923CuF

Score

7^/10

Malware Config

Signatures

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe

Loads dropped DLL 2 IoCs

pid	Process
4476	regsvr32.exe
4476	regsvr32.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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4476	4912	0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe	83
PID 4912 wrote to memory of 4476	4912	0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe	83
PID 4912 wrote to memory of 4476	4912	0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe	83

C:\Users\Admin\AppData\Local\Temp\0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe
"C:\Users\Admin\AppData\Local\Temp\0c0306be2cefa508431024fd07ea4c629a5946c1e647460a44d7afb7596ff962.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" WASAH.zF -u /s
  2⤵
  - Loads dropped DLL
  PID:4476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WASAH.zF

Filesize
1.4MB

MD5
a79b7ba99447fce6876264dd09ce6b18

SHA1
41d53ee911313bb2cd1c465db7d8c487ef40662a

SHA256
9826cc3cf2d7b51c4f70448f14a0185663cb44956d011dd26458527bb4b85f6c

SHA512
7e0bf405def9e2b1d08e919bf1029beb7df0da2bdc657494ea0eba4a05238376073a5a442f968d776e3041419467063a0b6f770b788f39d78c91fbe07dc1ac2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\WASaH.zF

Filesize
1.4MB

MD5
a79b7ba99447fce6876264dd09ce6b18

SHA1
41d53ee911313bb2cd1c465db7d8c487ef40662a

SHA256
9826cc3cf2d7b51c4f70448f14a0185663cb44956d011dd26458527bb4b85f6c

SHA512
7e0bf405def9e2b1d08e919bf1029beb7df0da2bdc657494ea0eba4a05238376073a5a442f968d776e3041419467063a0b6f770b788f39d78c91fbe07dc1ac2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\WASaH.zF

Filesize
1.4MB

MD5
a79b7ba99447fce6876264dd09ce6b18

SHA1
41d53ee911313bb2cd1c465db7d8c487ef40662a

SHA256
9826cc3cf2d7b51c4f70448f14a0185663cb44956d011dd26458527bb4b85f6c

SHA512
7e0bf405def9e2b1d08e919bf1029beb7df0da2bdc657494ea0eba4a05238376073a5a442f968d776e3041419467063a0b6f770b788f39d78c91fbe07dc1ac2c

Download Submit
memory/4476-136-0x0000000002BD0000-0x0000000002D3D000-memory.dmp

Filesize
1.4MB

Download
memory/4476-137-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/4476-138-0x0000000002BD0000-0x0000000002D3D000-memory.dmp

Filesize
1.4MB

Download
memory/4476-141-0x0000000002E60000-0x0000000002F59000-memory.dmp

Filesize
996KB

Download
memory/4476-142-0x0000000002F60000-0x0000000003042000-memory.dmp

Filesize
904KB

Download