eb21a698101b0781187b0df85ea6683043e36d5e4229dc692b0a2e410c8adc6e

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 13:16

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General

Target

$PLUGINSDIR/app-64.7z
Size

81.9MB
MD5

ce0262745e494245aa405094dcbcd774
SHA1

a860d108db8f2eb2f4addc46b2a88d5d2133636c
SHA256

81ab832fc79a755c5d9d7903593af50d0fbffb282bbbb527b05a59ace210134c
SHA512

aea253715bfbb397cd4561172fd24f5e54b734f00e14f4c8f556199205fb64fb82aa084d098396d64258cfbec3f8e3ed7a202c64b44e97f58a7fdf2b339344f4
SSDEEP

1572864:i/WHHr99Ee2cS8LN+W5NBKfvEeglx6mQR/LLoK0+OUIzhsbnQ4VbXg:i/8L9Ge2cAW1KfvEHqR/IKFjSEg

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
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\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
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\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2664	3004	cmd.exe	29
PID 3004 wrote to memory of 2664	3004	cmd.exe	29
PID 3004 wrote to memory of 2664	3004	cmd.exe	29
PID 2664 wrote to memory of 2592	2664	rundll32.exe	30
PID 2664 wrote to memory of 2592	2664	rundll32.exe	30
PID 2664 wrote to memory of 2592	2664	rundll32.exe	30
PID 2664 wrote to memory of 2592	2664	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:3004
- 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:2664
- - 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:2592

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
287563b2acc7f2381a4cd416f31ab9ed

SHA1
65a3bfec2801d150cd151320ebb89952dbd34c42

SHA256
cf7c51fdcaa8150fec4ce00792ba5c09d20c926599cb297196a000eeddb48cfa

SHA512
e4caf4f29866282698b0f8f9815048c870911e199a5f0a443dfc9d1815c9199f187499bffaf62db39c8d985102d70007489c7de2841d6f9ebf4872f98772daf9

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