a759f450c9f1e6815b3dccd0ffd77e183794334eaf60ba77fb0cd7e5a7d7fdda

Resubmissions

07-08-2024 12:20

240807-ph2rtsyejj 10

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-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_agen.dat
Size

1.5MB
MD5

068ac37ab32582b1ddc2b67c37d26579
SHA1

1d9242363774eabec85c40e9068ece04ac47b2ff
SHA256

5032089b644646e4e17890af77f0735e78c9b0cc98fb05506239518be42807c7
SHA512

550fd39bf1d590eeaad6a1527e4c6b72d9b266ce6b87538b834334cfebf8801be3365d941a4d61060824e13a373925b412d9502109748c08eb814c66b231c4aa
SSDEEP

24576:rrN1azun/taYrxuk3XHTx1Tx3VS2sJphZSWe1ppkaahDAAXPKCpD84IxY:PN1b/t5rE49Bx8pJFSWg2BSCYxY

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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2808	3016	cmd.exe	31
PID 3016 wrote to memory of 2808	3016	cmd.exe	31
PID 3016 wrote to memory of 2808	3016	cmd.exe	31
PID 2808 wrote to memory of 2576	2808	rundll32.exe	32
PID 2808 wrote to memory of 2576	2808	rundll32.exe	32
PID 2808 wrote to memory of 2576	2808	rundll32.exe	32
PID 2808 wrote to memory of 2576	2808	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aeheur_agen.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- 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_agen.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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_agen.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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
119368bf5066bfdca9d2768c37db27e0

SHA1
345b642e7f632b94a5a30f10e2cdf36b3a22fee8

SHA256
f3843d1685beda98221019c2f6d6356867d8c6233fe7a1c321b78628e6b48503

SHA512
d03d719143cf9804f288da35302af2594c48f0e67c525f4f0678c5bf503bdf2365bf3c38ae160b2d3b942d54dd7281ad30951ceaff7e415639fae679ba43d011

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