d2fc1583538a5b41a0f4ea02b03e099ae95e5df7a55bf9b57c4246b21392d389

Analysis

max time kernel
1563s
max time network
1563s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29-03-2024 04:21

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General

Target

Hugo Proxy/items.dat
Size

2.9MB
MD5

b28488d1286c7593c834648188983c4c
SHA1

49aa22884d7fbad040de3177d81262bb92b711b3
SHA256

79e93fde40b822110e003f63faa553bd8dae8192468b51fb9a7be363a5f01a2f
SHA512

00a05c471a08f3dec9005a551b2f7c9be47a0b3d4e4f01b84ac2e3bc1691764d2957dcd5a075a923231cc1be024e5804e742d253e64d907eb77e3d2a83283e82
SSDEEP

12288:2100lJqs03acUnuTn6IIM3s2NbmuI2PI1FLfm:21A3lEuTn6IIM3s2vPInm

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\Read\command	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
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
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	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\dat_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2404	AcroRd32.exe
2404	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2624	2868	cmd.exe	29
PID 2868 wrote to memory of 2624	2868	cmd.exe	29
PID 2868 wrote to memory of 2624	2868	cmd.exe	29
PID 2624 wrote to memory of 2404	2624	rundll32.exe	30
PID 2624 wrote to memory of 2404	2624	rundll32.exe	30
PID 2624 wrote to memory of 2404	2624	rundll32.exe	30
PID 2624 wrote to memory of 2404	2624	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Hugo Proxy\items.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Hugo Proxy\items.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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\Hugo Proxy\items.dat"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2404

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
7a0c40255e00c6f3fefdc3175ba6afde

SHA1
c39d7b52b0222c9c025d10e074f8c8cc53cbcf8a

SHA256
98a3f370fd1aa623cf713efd764a4178495d632e459a2fce5dcadf439f51b9b6

SHA512
300fad413f3662db00d2655eb5eb156be098a51390f40cf398e3f9d925dd8ea63550163747e646d48b28cc44c66e47a3387db22d40440eda9726bab8b404853a

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