97407f534fdc551ed2b568c7bf7b6df69c984fda5c03c518499fee4af7f6bbc2

Analysis

max time kernel
299s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12/06/2023, 02:26

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General

Target

ijiami.ajm
Size

1.9MB
MD5

e8996b43d49bcf73e4791c0850b08140
SHA1

d546f2efb9a8c7c327c5482054e0a353bbef8eed
SHA256

c62cf1b73362064efc0ee97d504f51c8c378d7a23926667cdb655d84f0a4dd96
SHA512

c82ca6fa145515e3242bc2b9d1f9dc619bdc4c91f7143bb6f79943f7f89ed4b7fae680fa4bcdb6399d045c868ee35e86bb04cb1c29b02c09a78c952bf129f70d
SSDEEP

24576:dI0ZjCCgCndgDAZE3h+Pg3/8at/yvTHGAgXR018FC/XItpAnfTDZdHVynNWVVzKy:O8jD/dCUE3h+q8aqbgB01LYKVmoVkeDF

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\ajm_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.ajm\ = "ajm_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\ajm_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\ajm_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\ajm_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.ajm	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\ajm_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\ajm_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2028	1952	cmd.exe	29
PID 1952 wrote to memory of 2028	1952	cmd.exe	29
PID 1952 wrote to memory of 2028	1952	cmd.exe	29
PID 2028 wrote to memory of 1672	2028	rundll32.exe	30
PID 2028 wrote to memory of 1672	2028	rundll32.exe	30
PID 2028 wrote to memory of 1672	2028	rundll32.exe	30
PID 2028 wrote to memory of 1672	2028	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ijiami.ajm
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ijiami.ajm
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2028
- - 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\ijiami.ajm"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1672

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

Windows 7 deprecation

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