dcaf229e56e1b0f267d7e99b63920150ef1c18f8bcbf4da94c9ac592c75bdbe8

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
04/08/2024, 23:51

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General

Target
RC7 (5) (1)/First.pdb
Size 10KB
Sample240804-3war6avale
SHA256 5212b77b76e6b7e56551074c424a56d0c03d4e0fc8502dd836fa5c2627b1d4a6
MD5 9b443e924bef08f021422fdc1a6edde7
SHA1 216e925a96f92827efac247904ba97343be57c1c
SHA512 88162989db275d77bff04a9a0262d534272be23db430fdaa86321ff25780ed61c6aa256b69d6ceda958ca371f631fb8b9563df4ae144ad8d1c983b95e90941d6
SSDEEP 192:4MocM3yCgLm/cXpCZbd+auMDDtSbrUvT+TUgVhkXIh2/8tLcwkQH4raayHVfIUXJ:4MxErgCZbd+auMDDtSHaT+1VhkXIhvt9
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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 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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pdb_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1588	AcroRd32.exe
1588	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2900	2240	cmd.exe	29
PID 2240 wrote to memory of 2900	2240	cmd.exe	29
PID 2240 wrote to memory of 2900	2240	cmd.exe	29
PID 2900 wrote to memory of 1588	2900	rundll32.exe	30
PID 2900 wrote to memory of 1588	2900	rundll32.exe	30
PID 2900 wrote to memory of 1588	2900	rundll32.exe	30
PID 2900 wrote to memory of 1588	2900	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\RC7 (5) (1)\First.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RC7 (5) (1)\First.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\RC7 (5) (1)\First.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 59a653651c4eb7aae0d4e44d9a8724564cef2b2752478b84e68c6847aa46dd95
MD5 17166a816381be827b3aaa79b5fb38fe
SHA1 0119cf68db6abf45c64c30493106332237768ecc
SHA512 104b42a237eb0d687d2563944cf2f2594941d0e502d3afce27a32413112347b659d5d5d8089d4a9c382f3a0d68f0e4a2c34574191d71702a4ba3b99211a1daaa
MD5 SHA1 SHA512

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