55309a4905c0c074bb9b488a58314dc58d89dea1a8f6963a367c3a62110592c6

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 05:36

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General

Target

resources/app.asar
Size

11.9MB
MD5

9afbb4ab272009b84d0dfe96ce3b7992
SHA1

8d5062ed765e3082e047b0a0d1202af4285c1916
SHA256

ed493650ec3496c6cc1aefd50204eae20685bdfbf76ba91f5a81f0b86ce8012f
SHA512

9d745b681348bc5164eba3f3df2967792bf55ae591be6e3f51af38bd13b4080c83bd6434bf4e11428fe8a81fddcd2c105ce47a7e9feb67dc74869c1053ef7efa
SSDEEP

49152:1p59o3kjvCZT0fwAQTz0UzagXZKTznuZ4TzNjbTUzmaZ47zdAORrxTUUJXjq77F3:vwAnoUddstmzi33Dl/1JwNwI32

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
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\asar_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\asar_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\asar_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\asar_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.asar	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\asar_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.asar\ = "asar_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\asar_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1036	2288	cmd.exe	29
PID 2288 wrote to memory of 1036	2288	cmd.exe	29
PID 2288 wrote to memory of 1036	2288	cmd.exe	29
PID 1036 wrote to memory of 2412	1036	rundll32.exe	30
PID 1036 wrote to memory of 2412	1036	rundll32.exe	30
PID 1036 wrote to memory of 2412	1036	rundll32.exe	30
PID 1036 wrote to memory of 2412	1036	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\resources\app.asar
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\resources\app.asar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1036
- - 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\resources\app.asar"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2412

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
433d13921d9c4b3bd99a1d5de78ff2cd

SHA1
380526e2a8c92fd363fa52a274f602ab4067047a

SHA256
3e92a29cd402f0fcb05707966deb3a454cf487aeeed6ee256e0d344c5408e6df

SHA512
0decec77c8a1bc413acf86a1b87957120f04255b1333a77b9db507d5b2a6fe0c5a90b94f1dcc1b110913aef3a9eb4264c4b50fae5163e17d3a13b53044922193

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