6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96

Analysis

max time kernel
361s
max time network
362s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 19:44

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General

Target

PO#720.exe
Size

914KB
MD5

57c246dd2b2221edbfd54ff9246a0099
SHA1

3e4dc6e19407ff041b25629082a90382be7b957f
SHA256

6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
SHA512

5a49e14dfaa8b6f53bc9e5da299f43d199389ded897c9a23ec6615c396bc83e6589787f0704fa097c395296d643fd0b6b3e83dbdddad385d2ee5af5825cea9e2
SSDEEP

24576:+Eb5NCjPBS2nv0frerFWM+u848EUjooYgyUKHdw:N5N+5S2nv0fKxIuRUjoSK

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2680	powershell.exe
2924	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#720.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2680	powershell.exe
2924	powershell.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe
2824	PO#720.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	PO#720.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	2924	powershell.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2680	2824	PO#720.exe	31
PID 2824 wrote to memory of 2680	2824	PO#720.exe	31
PID 2824 wrote to memory of 2680	2824	PO#720.exe	31
PID 2824 wrote to memory of 2680	2824	PO#720.exe	31
PID 2824 wrote to memory of 2924	2824	PO#720.exe	33
PID 2824 wrote to memory of 2924	2824	PO#720.exe	33
PID 2824 wrote to memory of 2924	2824	PO#720.exe	33
PID 2824 wrote to memory of 2924	2824	PO#720.exe	33
PID 2824 wrote to memory of 2676	2824	PO#720.exe	35
PID 2824 wrote to memory of 2676	2824	PO#720.exe	35
PID 2824 wrote to memory of 2676	2824	PO#720.exe	35
PID 2824 wrote to memory of 2676	2824	PO#720.exe	35
PID 2824 wrote to memory of 2596	2824	PO#720.exe	37
PID 2824 wrote to memory of 2596	2824	PO#720.exe	37
PID 2824 wrote to memory of 2596	2824	PO#720.exe	37
PID 2824 wrote to memory of 2596	2824	PO#720.exe	37
PID 2824 wrote to memory of 2548	2824	PO#720.exe	38
PID 2824 wrote to memory of 2548	2824	PO#720.exe	38
PID 2824 wrote to memory of 2548	2824	PO#720.exe	38
PID 2824 wrote to memory of 2548	2824	PO#720.exe	38
PID 2824 wrote to memory of 2544	2824	PO#720.exe	39
PID 2824 wrote to memory of 2544	2824	PO#720.exe	39
PID 2824 wrote to memory of 2544	2824	PO#720.exe	39
PID 2824 wrote to memory of 2544	2824	PO#720.exe	39
PID 2824 wrote to memory of 2564	2824	PO#720.exe	40
PID 2824 wrote to memory of 2564	2824	PO#720.exe	40
PID 2824 wrote to memory of 2564	2824	PO#720.exe	40
PID 2824 wrote to memory of 2564	2824	PO#720.exe	40
PID 2824 wrote to memory of 2580	2824	PO#720.exe	41
PID 2824 wrote to memory of 2580	2824	PO#720.exe	41
PID 2824 wrote to memory of 2580	2824	PO#720.exe	41
PID 2824 wrote to memory of 2580	2824	PO#720.exe	41

C:\Users\Admin\AppData\Local\Temp\PO#720.exe
"C:\Users\Admin\AppData\Local\Temp\PO#720.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO#720.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VdrrjnwYc.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VdrrjnwYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3CF1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2676
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2596
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2548
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3CF1.tmp

Filesize
1KB

MD5
7e337b7fea62acbd1e6a38ebdb7a517b

SHA1
947a806934d37fc807cca724bbbd149b047059e0

SHA256
05c9a773b0d67b972629c94b68e3db7a3d2100ad42671968080908f8059b30e4

SHA512
fbbd0ff11b692c085e3a23f74c98233b1f945aac4f6395679ea8f115517f70912a0e950121b8c6b2608047fffcf5db10aa381f99ac305a8efb2284e9812b5496

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
3aefb697899e75c6cf0cb6c795c8f5d8

SHA1
a76c2a9936d436823482ed7e6e354eac74b7f4e9

SHA256
2a696e8760a7b7a4a8dbd32904a7e135c6d1d20393e330fdcb89d40fbdfb8643

SHA512
d59e4c1d7362d266eaf6c2eb89ddc97dea33d1b6ce9f9cd1cc7ef3c162c0b0e69f383ed008d3fade29ac23e457f37c01899a43bb3cf233c91df131c70e7b3d9e

Download Submit
memory/2824-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/2824-1-0x0000000000D00000-0x0000000000DEA000-memory.dmp

Filesize
936KB

Download
memory/2824-2-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-3-0x0000000000BA0000-0x0000000000BB8000-memory.dmp

Filesize
96KB

Download
memory/2824-4-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/2824-5-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-6-0x0000000004BF0000-0x0000000004CB0000-memory.dmp

Filesize
768KB

Download
memory/2824-19-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download