a759f450c9f1e6815b3dccd0ffd77e183794334eaf60ba77fb0cd7e5a7d7fdda

Resubmissions

07/08/2024, 12:20

240807-ph2rtsyejj 10

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07/08/2024, 12:20

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General

Target

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

912B
MD5

27dbb4a716dc8d87eac34a14f814dbc8
SHA1

2f3c673d444a0b996d609136d8741f6dfc47ba6a
SHA256

b90baa70bd07bc5b3573909b37a6cf4fcccc3d7c9702806c94bd843988d0ed5d
SHA512

dcfba0317f02771d40fa190e78c19fa2e178d0ffadd6b8d22da4be7f66a3e7983da2a0c14741ab9df0d9f034754c4ea758d758ec7a65c53f77f922d13648e9a5

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-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_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-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.dat	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\dat_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2580	2888	cmd.exe	31
PID 2888 wrote to memory of 2580	2888	cmd.exe	31
PID 2888 wrote to memory of 2580	2888	cmd.exe	31
PID 2580 wrote to memory of 2836	2580	rundll32.exe	32
PID 2580 wrote to memory of 2836	2580	rundll32.exe	32
PID 2580 wrote to memory of 2836	2580	rundll32.exe	32
PID 2580 wrote to memory of 2836	2580	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aeheur_gwf.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- 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\aeheur_gwf.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2580
- - 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\aeheur_gwf.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
62452e70547f9395e0e5bf228ccd169f

SHA1
53a89dd73fba344d98a1f0ac3d160f5e6cdfd384

SHA256
d20ee459b999c70b909be2c80ba3bf684f29c6af95cc335aeb05e53cb549bc9b

SHA512
409df9c4e327c750c5a154f2c9c148e906e0180fddd6dc402ec5ccf7c0d3cf148cfd7f9b489335d2631b8f72375990ebacee016c2591545cbc47baa827f106cf

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