0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c

General

Target

0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe
Size

928KB
MD5

4e18999a9eb7a19a2a11b2bde42a3986
SHA1

804c53fd650b947ff4a38e091151e408db7db81d
SHA256

0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c
SHA512

b901c52d7602695abb4688bdcd1f5e88e7adb2231182ffcb2c0515eb371d1d1afc99583e3be63e7a34df3055c6797109350ed45e336621064059eebf800680e2
SSDEEP

12288:dKv6gQuk6Ht9LPPZIG8oJ+fOFXQee7omDdFivT0VYaqVd5Ack:4CgQYHLPPZITOFgeW+oDqG

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	wscript.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

pid	Process
1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe
1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2084	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe	83
PID 1052 wrote to memory of 2084	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe	83
PID 1052 wrote to memory of 2084	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe	83
PID 1052 wrote to memory of 2888	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe	85
PID 1052 wrote to memory of 2888	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe	85
PID 1052 wrote to memory of 2888	1052	0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe	85
PID 2084 wrote to memory of 1020	2084	cmd.exe	86
PID 2084 wrote to memory of 1020	2084	cmd.exe	86
PID 2084 wrote to memory of 1020	2084	cmd.exe	86
PID 1020 wrote to memory of 4692	1020	wscript.exe	87
PID 1020 wrote to memory of 4692	1020	wscript.exe	87
PID 1020 wrote to memory of 4692	1020	wscript.exe	87

C:\Users\Admin\AppData\Local\Temp\0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe
"C:\Users\Admin\AppData\Local\Temp\0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:1020
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
      4⤵
      PID:4692
- C:\Users\Admin\AppData\Local\Temp\notepad .exe
  "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
  2⤵
  PID:2888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\file.exe

Filesize
928KB

MD5
4e18999a9eb7a19a2a11b2bde42a3986

SHA1
804c53fd650b947ff4a38e091151e408db7db81d

SHA256
0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c

SHA512
b901c52d7602695abb4688bdcd1f5e88e7adb2231182ffcb2c0515eb371d1d1afc99583e3be63e7a34df3055c6797109350ed45e336621064059eebf800680e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\invs.vbs

Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata.bat

Filesize
47B

MD5
58c538a6ae20a3c6031217903cdf8e5d

SHA1
399fd50eadf4945b665877facfc4f53d16e18b1e

SHA256
6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

SHA512
c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata2.bat

Filesize
47B

MD5
095b2908ae8b2e0e3704c0163f26e283

SHA1
3429b6c1421d448c98c1da9625badcea2484a521

SHA256
22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

SHA512
e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll11-.txt

Filesize
928KB

MD5
4e18999a9eb7a19a2a11b2bde42a3986

SHA1
804c53fd650b947ff4a38e091151e408db7db81d

SHA256
0b4eeabdc96cc162048d7044c76a3a7beb38c412211509f8353b09330c094e8c

SHA512
b901c52d7602695abb4688bdcd1f5e88e7adb2231182ffcb2c0515eb371d1d1afc99583e3be63e7a34df3055c6797109350ed45e336621064059eebf800680e2

Download Submit
memory/1052-132-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1052-141-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1052-143-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download

Analysis

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