154cf5e736dcc256fa3d229d1f0dcb4b29ac28081044757c5ae451ddf276c7b0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/09/2024, 14:21

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General

Target

Quotation_pdf.exe
Size

883KB
MD5

571902de75705d1aeaa32be01459dc65
SHA1

4ccf3c9a339146008c1d8466857e13d3c7752a05
SHA256

8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5
SHA512

966381cdeaf8213fefdca876052a59dcda9e2436cfc50b4516eca936ebb9e75b9421058969526fa0b46d06067a43398a51c8e7201fa72d39faa0153c4328a9d7
SSDEEP

24576:kBGzjcJ6NacNEyNOU+6cNuuH2SNcjmYY4Swv:kE86N1l5x8uuWSpYXS2

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
2656	powershell.exe
2096	powershell.exe

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	Quotation_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe
2096	powershell.exe
2656	powershell.exe
2344	Quotation_pdf.exe
2344	Quotation_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	Quotation_pdf.exe
Token: SeDebugPrivilege	2096	powershell.exe
Token: SeDebugPrivilege	2656	powershell.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2656	2344	Quotation_pdf.exe	30
PID 2344 wrote to memory of 2656	2344	Quotation_pdf.exe	30
PID 2344 wrote to memory of 2656	2344	Quotation_pdf.exe	30
PID 2344 wrote to memory of 2656	2344	Quotation_pdf.exe	30
PID 2344 wrote to memory of 2096	2344	Quotation_pdf.exe	32
PID 2344 wrote to memory of 2096	2344	Quotation_pdf.exe	32
PID 2344 wrote to memory of 2096	2344	Quotation_pdf.exe	32
PID 2344 wrote to memory of 2096	2344	Quotation_pdf.exe	32
PID 2344 wrote to memory of 2664	2344	Quotation_pdf.exe	34
PID 2344 wrote to memory of 2664	2344	Quotation_pdf.exe	34
PID 2344 wrote to memory of 2664	2344	Quotation_pdf.exe	34
PID 2344 wrote to memory of 2664	2344	Quotation_pdf.exe	34
PID 2344 wrote to memory of 2996	2344	Quotation_pdf.exe	36
PID 2344 wrote to memory of 2996	2344	Quotation_pdf.exe	36
PID 2344 wrote to memory of 2996	2344	Quotation_pdf.exe	36
PID 2344 wrote to memory of 2996	2344	Quotation_pdf.exe	36
PID 2344 wrote to memory of 1632	2344	Quotation_pdf.exe	37
PID 2344 wrote to memory of 1632	2344	Quotation_pdf.exe	37
PID 2344 wrote to memory of 1632	2344	Quotation_pdf.exe	37
PID 2344 wrote to memory of 1632	2344	Quotation_pdf.exe	37
PID 2344 wrote to memory of 3008	2344	Quotation_pdf.exe	38
PID 2344 wrote to memory of 3008	2344	Quotation_pdf.exe	38
PID 2344 wrote to memory of 3008	2344	Quotation_pdf.exe	38
PID 2344 wrote to memory of 3008	2344	Quotation_pdf.exe	38
PID 2344 wrote to memory of 560	2344	Quotation_pdf.exe	39
PID 2344 wrote to memory of 560	2344	Quotation_pdf.exe	39
PID 2344 wrote to memory of 560	2344	Quotation_pdf.exe	39
PID 2344 wrote to memory of 560	2344	Quotation_pdf.exe	39
PID 2344 wrote to memory of 300	2344	Quotation_pdf.exe	40
PID 2344 wrote to memory of 300	2344	Quotation_pdf.exe	40
PID 2344 wrote to memory of 300	2344	Quotation_pdf.exe	40
PID 2344 wrote to memory of 300	2344	Quotation_pdf.exe	40

C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344
- 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\Quotation_pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\efsOOkOP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2096
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\efsOOkOP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB50D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
  2⤵
  PID:2996
- C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
  2⤵
  PID:1632
- C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
  2⤵
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
  2⤵
  PID:560
- C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
  2⤵
  PID:300

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

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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\tmpB50D.tmp

Filesize
1KB

MD5
058392715ba3218d45d65df005bd5179

SHA1
e164f674af1c6974c1771cbdec811ebe85c284f6

SHA256
5cd1d58c441f40187ae601ebd9bff7aca38a8e2d354d65e2e664a46766b6e8a1

SHA512
28df1bec99212409ece47d9bb3173a060cb8391d505cb39ecf501d2e0b188eaf6118e8a49bed37407a7f1fc36a216d39c82c89782e7d152a1f5561f6adda6353

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

Filesize
7KB

MD5
36259c9ae106a89b9808b0dfc91a8081

SHA1
9ff613bec920b7b828a44b8d8a8d2db11baf71f5

SHA256
182dfd39928c67fbf8c055f695492b21d9e960770e42948b00ee8c01a54d3e31

SHA512
d8481e6dba0b5322c841f12551d300725a6ee758474f49c4ed703320969cdbdc0f834be64ef9606996ca0cc88657a82ccee6a52030357aa61e26f10b507dd1aa

Download Submit
memory/2344-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x0000000000350000-0x0000000000434000-memory.dmp

Filesize
912KB

Download
memory/2344-2-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-3-0x0000000000580000-0x0000000000592000-memory.dmp

Filesize
72KB

Download
memory/2344-4-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2344-5-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-6-0x0000000005420000-0x00000000054DE000-memory.dmp

Filesize
760KB

Download
memory/2344-19-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download