ca3a3bfe5fa34b3d8036d1f3465654d604faf89c914f808c40fa7fa506181adb

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 06:38

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General

Target

SKMBT_C22024082310420.pdf.exe
Size

954KB
MD5

0739fac7999ca876722fb5500f68ad28
SHA1

c0dd8304902264cb15fc11f9a77310ddf646c3c6
SHA256

ca3a3bfe5fa34b3d8036d1f3465654d604faf89c914f808c40fa7fa506181adb
SHA512

cb6e9fdbeca08360b5f37a023f8a0526e288c4141e9c10f0944e91a5c30464d124176030d901c75af8c8fc3b6a10648746f648dcea9411eeb59ad5fde3249c86
SSDEEP

24576:iqQvaIDEiGUbwU+avF0NIOB+WrqYwt8xc5yhW1ylAcCpW:RIBG2+AF6Rq19I7

Score

6^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rwznfta = "C:\\Users\\Admin\\AppData\\Roaming\\Rwznfta.exe"	SKMBT_C22024082310420.pdf.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5904	2852	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	SKMBT_C22024082310420.pdf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2852	SKMBT_C22024082310420.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	SKMBT_C22024082310420.pdf.exe
Token: SeDebugPrivilege	2852	SKMBT_C22024082310420.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 5904	2852	SKMBT_C22024082310420.pdf.exe	30
PID 2852 wrote to memory of 5904	2852	SKMBT_C22024082310420.pdf.exe	30
PID 2852 wrote to memory of 5904	2852	SKMBT_C22024082310420.pdf.exe	30
PID 2852 wrote to memory of 5904	2852	SKMBT_C22024082310420.pdf.exe	30

C:\Users\Admin\AppData\Local\Temp\SKMBT_C22024082310420.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SKMBT_C22024082310420.pdf.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 824
  2⤵
  - Program crash
  PID:5904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2852-0-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2852-1-0x0000000000D80000-0x0000000000E74000-memory.dmp

Filesize
976KB

Download
memory/2852-3-0x0000000004F40000-0x0000000005026000-memory.dmp

Filesize
920KB

Download
memory/2852-2-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-4-0x0000000005030000-0x0000000005116000-memory.dmp

Filesize
920KB

Download
memory/2852-20-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-18-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-16-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-14-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-12-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-10-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-8-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-6-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-28-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-5-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-22-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-26-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-55-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-68-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-1079-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-67-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-64-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-63-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-60-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-1081-0x0000000000A00000-0x0000000000A4C000-memory.dmp

Filesize
304KB

Download
memory/2852-1080-0x00000000048C0000-0x0000000004922000-memory.dmp

Filesize
392KB

Download
memory/2852-58-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-56-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-52-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-50-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-49-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-46-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-45-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-42-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-1082-0x0000000004AA0000-0x0000000004AF4000-memory.dmp

Filesize
336KB

Download
memory/2852-40-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-38-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-36-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-34-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-32-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-30-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-24-0x0000000005030000-0x0000000005111000-memory.dmp

Filesize
900KB

Download
memory/2852-1084-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2852-1085-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download