e10e4e255af0ba3293aed0222096b70d627a0a8217f1d3d76c2d6813e3074144

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 21:04

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General

Target

icudtl.dat
Size

10.1MB
MD5

adfd2a259608207f256aeadb48635645
SHA1

300bb0ae3d6b6514fb144788643d260b602ac6a4
SHA256

7c8c7b05d70145120b45ccb64bf75bee3c63ff213e3e64d092d500a96afb8050
SHA512

8397e74c7a85b0a2987cae9f2c66ce446923aa4140686d91a1e92b701e16b73a6ce459540e718858607ecb12659bedac0aa95c2713c811a2bc2d402691ff29dc
SSDEEP

98304:ffPBQYOo+ddlymff2LfPQCvliXUxiG9Ha93Whla6ZENSs285:ffPBhORjfAHliXUxiG9Ha93Whla6ZEV7

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\dat_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.dat	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2800	2244	cmd.exe	29
PID 2244 wrote to memory of 2800	2244	cmd.exe	29
PID 2244 wrote to memory of 2800	2244	cmd.exe	29
PID 2800 wrote to memory of 2688	2800	rundll32.exe	30
PID 2800 wrote to memory of 2688	2800	rundll32.exe	30
PID 2800 wrote to memory of 2688	2800	rundll32.exe	30
PID 2800 wrote to memory of 2688	2800	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\icudtl.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\icudtl.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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\icudtl.dat"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2688

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
ee767336f33ca7326e00a8c3a7400ee9

SHA1
57ec45db958633cdf2ce7a93f43a879975c039e6

SHA256
d56113ad225e18a6cb18340d273af91145bc4d57ee6963d52a30891b4895aa7d

SHA512
fc0c0e7e46726188523b325c443d6bd4c313da0222cb2604801e9fcb8e186d09c80fe88f84aa0ab720c3b7c6ec5c133c3715b6640944eb636316442bb0a1f001

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