1bec59ae5dc530ec12c1bc8c2dfecd7ef54c9061883153f3658784a43e142464

Resubmissions

15/03/2024, 18:57

240315-xlx7taac98 7

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 18:57

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General

Target

$PLUGINSDIR/app-64.7z
Size

81.2MB
MD5

a75b39f34e68bbc8cbfd3ab052f2d82f
SHA1

819d65354842b94a61197aabbdac36fa4ab5da2a
SHA256

30182400bd921a4fd054721efdbe80ca3dc955bf7acff06dc931369b4fc7dd31
SHA512

2771193e3c782f21a3b6e481b1a9a9dd0cfb8bf7948771086dccae37dc22b1ed57702e677108dea13f30d1197b1ba5b6973e245f4283d5b5bd8b7fa441dd1501
SSDEEP

1572864:C/WHHr9kDJDEMtDY9TkfCtURGvz3yzPgxTTB0KHP4KkqWTEB7Ch:C/8L9wDEMDmTkHRG73GEHwNqWTEB7Ch

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.7z	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2692	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2692	AcroRd32.exe
2692	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2100	2364	cmd.exe	29
PID 2364 wrote to memory of 2100	2364	cmd.exe	29
PID 2364 wrote to memory of 2100	2364	cmd.exe	29
PID 2100 wrote to memory of 2692	2100	rundll32.exe	30
PID 2100 wrote to memory of 2692	2100	rundll32.exe	30
PID 2100 wrote to memory of 2692	2100	rundll32.exe	30
PID 2100 wrote to memory of 2692	2100	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app-64.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app-64.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2100
- - 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\$PLUGINSDIR\app-64.7z"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
e9b674863775ed3d20b3978fa56f466f

SHA1
fbde5a1222ce7002224cf131a5c2bde63149043a

SHA256
32a72b119fa11141d9e3cc097e72be69d0e07f16409966a999c070b01fd1f221

SHA512
abf0fa941aaed02e8b7b2eb2e6cead179e9f0ecc736607b6d4e592340ca43489472323473a7204623b9dc898b5bb6cc9d52d0a1b9db98fbf79f0774b8fd7b79d

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