3ea350fa6916e36ba67a8a17a347bb89ab2567120eb9af4cf6648c1809711274

Analysis

max time kernel
1201s
max time network
854s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20/07/2023, 05:12

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General

Target

1d81c09d8249410587ae.zipam
Size

276B
MD5

ecaed80d7aa5a8d9a14e1f1d0a5d1881
SHA1

efe15e10814314ddfdaf3fa60c52da2dffef43d6
SHA256

c00e8e73ab718043a538d41cd3b236c76ade97ccd61608ff549e495381c43d97
SHA512

f8a331dd4114d97f87b35d6174ba6805efa2a859899213866127c506807ba5feeaf982cc63d856b600623fee77ccd287bb75ab5c979c63ee5747801ff92a19f5

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-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\zipam_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\zipam_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.zipam\ = "zipam_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\zipam_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\zipam_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.zipam	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\zipam_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\zipam_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2952	2488	cmd.exe	29
PID 2488 wrote to memory of 2952	2488	cmd.exe	29
PID 2488 wrote to memory of 2952	2488	cmd.exe	29
PID 2952 wrote to memory of 2804	2952	rundll32.exe	30
PID 2952 wrote to memory of 2804	2952	rundll32.exe	30
PID 2952 wrote to memory of 2804	2952	rundll32.exe	30
PID 2952 wrote to memory of 2804	2952	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipam
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipam
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2952
- - 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\1d81c09d8249410587ae.zipam"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

Network

MITRE ATT&CK Enterprise v6

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
7b830d847337c47d547ecb8db81e8175

SHA1
79172717923b16f731f6f767f5a8066bb9ec40fc

SHA256
c4d2af30c8610f67f5ce0575e90d0822328b7f223b7c9e16a05475b34b958102

SHA512
ca6c46bc4210b9a23c9d1078e78f75f6a90564a9e4e38be8e9afb4b5aed8f268cd621c71cc2a0e574591ea48ff66c15cd158c4fc1e8720d30e593ab2d26fb487

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