f3ff6729da7a43cf73ca02233a77ec6514138482e99d0d9d02b9156126ff96bd

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 16:16

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General

Target

apk+.json
Size

131B
MD5

cbdf63675a38bf47f0e8de0cde6355d4
SHA1

0352e8037322d07e3fd425f8715f19db2f3b5671
SHA256

eaf6048629da1796d75d611ee7e8d06ae453f6642a1a6ce31065e6496f7d13e6
SHA512

7a949acab7bb89cb9870ca924d4f5b77a77f877c528c63753a92bf0d0965b73ffa66352b3e0467b651c689b6723f2c2a929fe5add2f4fc1568c53257b595d23c

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2868	AcroRd32.exe
2868	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2148	2976	cmd.exe	31
PID 2976 wrote to memory of 2148	2976	cmd.exe	31
PID 2976 wrote to memory of 2148	2976	cmd.exe	31
PID 2148 wrote to memory of 2868	2148	rundll32.exe	33
PID 2148 wrote to memory of 2868	2148	rundll32.exe	33
PID 2148 wrote to memory of 2868	2148	rundll32.exe	33
PID 2148 wrote to memory of 2868	2148	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\apk+.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\apk+.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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\apk+.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2868

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
c80f633aef54e8f0b8fe6bbffa6278a2

SHA1
a7e4b2ecf6e4e8b8bc7eccf7aae1c081b67cffc9

SHA256
ff53a90f1d0f867e7965deb26beafd5d667398aaa796a63bb19e80e74e1f06fe

SHA512
08ceade7660abbee1bba06421bfca535f12cf3f5f0957e49f7048c2203cbf9b845f5ac741aabeaf266317c70a724c8f59f77b311444131ffb5b8a87646242930

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