793c1207412cf6dcc05a36669d440f8758007473494c87255a6ad36b47656894

Analysis

max time kernel
243s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 17:19

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General

Target

02-CITACION DEMANADA-JUZGADO 01 PROMISCUO DEL CIRCUITO/aigret.eps
Size

648KB
MD5

3951607ae74fff3e3b06e4d87882f55e
SHA1

24ef32f3db8fa99117a1bae23f29b81fe5ee33e6
SHA256

ca63776696ef24d6c0ab13d102c014fd702a5c60f39b6b44f2cd6bac04f72093
SHA512

c77b245db5e5c274f0ff9234f1487529957ad05b2a8eb13eed4e7e6acce9384d9f71b3d92866a08013f6600899e70061ef20aedbb4c99e34b496df2a973b05a3
SSDEEP

12288:dQhb+Lq+eivf4spCU5ibKumY5V2tg+RJfyEmbEs4aGTUv6orTIsY/dH:7eFivfj/5ibKulV2CA5UExOLIvVH

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.eps\ = "eps_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\eps_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\eps_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\eps_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\eps_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\eps_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\eps_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.eps	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2796	1976	cmd.exe	31
PID 1976 wrote to memory of 2796	1976	cmd.exe	31
PID 1976 wrote to memory of 2796	1976	cmd.exe	31
PID 2796 wrote to memory of 2816	2796	rundll32.exe	33
PID 2796 wrote to memory of 2816	2796	rundll32.exe	33
PID 2796 wrote to memory of 2816	2796	rundll32.exe	33
PID 2796 wrote to memory of 2816	2796	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\02-CITACION DEMANADA-JUZGADO 01 PROMISCUO DEL CIRCUITO\aigret.eps"
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\02-CITACION DEMANADA-JUZGADO 01 PROMISCUO DEL CIRCUITO\aigret.eps
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\02-CITACION DEMANADA-JUZGADO 01 PROMISCUO DEL CIRCUITO\aigret.eps"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
cd864ce6b79a809825684be522710e58

SHA1
a6f8519da546506b238c1c17358c3d23edc3704c

SHA256
2146268d9615cf24e9b9b85e0a98d293fbba08594ebc5c5421fee560d6cb997c

SHA512
7d03768abec20d4ef31d8990edbb85746bb71c1814887923201729bda6661b418b4b2ac75b0d1a4820092af85fbd1b88999f940714102ed711f4b7e3eadf45bd

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