b653631708cdf4b2ec872b4dca10f3c23380c7a2b2029e20f23b590602d1bcfe

max time kernel
301s
max time network
32s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
05/07/2023, 08:41

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General

Target

cl-messages_en_us.properties
Size

1KB
MD5

35c5cc3173e8077f14a2f281855e750c
SHA1

3c8a782a9732c3d627f1f487be91ad5f6c5f826a
SHA256

4510dd1cba41cadfaf4115b5e27b543ac0ddcd94e746faaac610654a0ff62b94
SHA512

0c552132dfb8725e5f52cb0677d98273f87e45be456bbb7c090d2a82c2926bb0e3f43ad602a9f39e84270eba6486fa6e4a1307db42ba4dbba73a3ee6121741a2

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
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\properties_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\properties_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\properties_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\.properties	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\properties_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\properties_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\.properties\ = "properties_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\properties_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
364	AcroRd32.exe
364	AcroRd32.exe
364	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2892	1152	cmd.exe	30
PID 1152 wrote to memory of 2892	1152	cmd.exe	30
PID 1152 wrote to memory of 2892	1152	cmd.exe	30
PID 2892 wrote to memory of 364	2892	rundll32.exe	31
PID 2892 wrote to memory of 364	2892	rundll32.exe	31
PID 2892 wrote to memory of 364	2892	rundll32.exe	31
PID 2892 wrote to memory of 364	2892	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\cl-messages_en_us.properties
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cl-messages_en_us.properties
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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\cl-messages_en_us.properties"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:364

Network

MITRE ATT&CK Enterprise v6

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
8b8a3c047b3f55cd5b6b5bd1a3e306fe

SHA1
afd66aa5651f9369d9f3f3d3a9c6ef73048fcbb4

SHA256
671d9fbcbe631f2d854fc3fb7ff5786811dc6e47cb30619f0b7aafbccf3264d9

SHA512
ec1df8ffc2a97ed285347f724725277f92084d10c7402c182aa558f93ad7751e9542fef704a0710292ee8109eb153cd9a6984d3c3906f407f5c53e5e8b20fefd

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