8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488

Analysis

max time kernel
145s
max time network
178s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 00:16

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General

Target

8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe
Size

122KB
MD5

d92a608d0ad6ed60bc973c8a845e9cfe
SHA1

cfae227f6af799f2042da5632f7cae2028cdf0c3
SHA256

8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488
SHA512

c8c64acfef5cff2d36b4c4d6ef0e4690cbe2f1cf3ed10f6f8565ac6c4fc3a21e6751a1e9c137fe47881afd862b3a742c8dfc18db44d5d569ed40a169b253604b
SSDEEP

3072:CnDHH47khTSHz4dwqKdM6i4JGpZh37uLjudqz9d0kD:CDn440zt46i4EruLorkD

Score

8^/10

persistence vmprotect

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\IPv6NetBrowsSvc\Parameters\ServiceDll = "C:\\Windows\\IPv6NetBrowsSvc.dll"	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1528-55-0x0000000000230000-0x000000000026E000-memory.dmp	vmprotect
behavioral1/files/0x000b000000012302-56.dat	vmprotect
behavioral1/memory/1724-61-0x00000000749D0000-0x0000000074A0E000-memory.dmp	vmprotect

Deletes itself 1 IoCs

pid	Process
692	cmd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\IPv6NetBrowsSvc.dll	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe
File opened for modification	C:\Windows\IPv6NetBrowsSvc.dll	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.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 4 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 692	1528	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe	29
PID 1528 wrote to memory of 692	1528	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe	29
PID 1528 wrote to memory of 692	1528	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe	29
PID 1528 wrote to memory of 692	1528	8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe	29

C:\Users\Admin\AppData\Local\Temp\8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe
"C:\Users\Admin\AppData\Local\Temp\8a2a2ae4ddcf50af4423dc0bc683f65d3f251b634c83c3930590f2c544deb488.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\7107249.bat" "
  2⤵
  - Deletes itself
  PID:692

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k ipv6srvs
1⤵
PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\7107249.bat

Filesize
239B

MD5
136a63379f3ad3cff9ac982daeb3920b

SHA1
737a34792efeef4a81a4cbd0033d7b424beca7f5

SHA256
89c7f3e90adbe686835d6ee1849e08d5b10ad898d218163990f0c6d1bc748fdd

SHA512
84429e3b71bf824cc1d1890c2fc4d3ea7adc13c897c2fdec9eeae121ecf7b8f51ac0045fddb2d46e701b184de8b7a8817616599c9bc7df6176cc120cfbc297bc

Download Submit
\??\c:\windows\ipv6netbrowssvc.dll

Filesize
122KB

MD5
e3c5175398943251853ed1e9ac81c3cb

SHA1
10bc88e3a2329f63fdc2f00d4d7ae3352a340bde

SHA256
d1ac9272aef8b7ae1072bda7d98962e26fd9147be240701ce9565bbf86f8d26c

SHA512
8398c6ae8f74ef8e9a5a6d642a9b1ee6941835ae7be44790dd9b6962c4b21e542c4472ea3d853b93ed0fe4c4c2ff78f288207b9c8714f7379b3b047796939d3b

Download Submit
memory/692-59-0x0000000000000000-mapping.dmp

Download
memory/1528-54-0x0000000000231000-0x0000000000234000-memory.dmp

Filesize
12KB

Download
memory/1528-55-0x0000000000230000-0x000000000026E000-memory.dmp

Filesize
248KB

Download
memory/1528-57-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/1724-58-0x00000000749D1000-0x00000000749D4000-memory.dmp

Filesize
12KB

Download
memory/1724-61-0x00000000749D0000-0x0000000074A0E000-memory.dmp

Filesize
248KB

Download