a759f450c9f1e6815b3dccd0ffd77e183794334eaf60ba77fb0cd7e5a7d7fdda

Resubmissions

07-08-2024 12:20

240807-ph2rtsyejj 10

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 12:20

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General

Target

$APPDATA/TotalAV/updates/SAVAPI 8.0.1/aelidb.dat
Size

86KB
MD5

e12b4507919ef2d5b5f2b5332f7c2bb1
SHA1

4dd0c1870754a4052f9de5f09f69df3f7bae4b3d
SHA256

ca5bb2f6c93eccc1ef5a2b2aae25b4976a2ce320a52d13d74f12b65205678e53
SHA512

74a2e05077726ab00a810325d6be729c001f290977c9e4e3d81d3f4fe4398317698510a0bf5d5014625e5c740f11dc10cf004cac343cd1e4d8ab82908a0376ad
SSDEEP

1536:FO4WQ7zW+Du+XTe8+bv2OMtIW82iH5ytCHyfiaHBzPTZZXB8jirkm1l:1NzXDFjvM25o2iHMWMzPZ0ib

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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dat_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2260	2972	cmd.exe	31
PID 2972 wrote to memory of 2260	2972	cmd.exe	31
PID 2972 wrote to memory of 2260	2972	cmd.exe	31
PID 2260 wrote to memory of 2740	2260	rundll32.exe	32
PID 2260 wrote to memory of 2740	2260	rundll32.exe	32
PID 2260 wrote to memory of 2740	2260	rundll32.exe	32
PID 2260 wrote to memory of 2740	2260	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aelidb.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aelidb.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2260
- - 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\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aelidb.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
1e4a8c28e6ad0ef3eede095995f0c1ce

SHA1
5c443542048bb936c609ef245d099eac35e03d0e

SHA256
114b5743fdd81cbe5b21f4d8bbddbae8d3a41d59074e6a24093707848b80cf5d

SHA512
fb38d8a09b773f69d2353e024387ff1caf09c6f106507f59d405523c491cf92f734f21c9504662a77e8f8ab9de00c21f304fe8c921483d6538394a25535eefc3

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