4bcbc1201e4d15d4739c645850115dd92a8cbbca98e54e550f725528b4779813

Analysis

max time kernel
103s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 15:02

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General

Target

HG255s-10V100R001C163B037_main.bin
Size

16.0MB
MD5

8ef1255aaf1c471205299453a03f424f
SHA1

e0da0c5c4776be8741f57b9f7762fe2f31511a86
SHA256

4bcbc1201e4d15d4739c645850115dd92a8cbbca98e54e550f725528b4779813
SHA512

a01d98fce57143d66f3ea5fd6cede33fd3bd175fde9a99278ad715760e60be6a75002a8412dda4e2c1dfcfe517832f84c50812804e793a46cb958057ec42b461
SSDEEP

393216:LPIBU6IzfAUZrfIRO7rmpdKgqFqiN0pU72NOnH:b8UZrgRCr0KgqFqxU72NOH

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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2056	AcroRd32.exe
2056	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 560 wrote to memory of 3056	560	cmd.exe	30
PID 560 wrote to memory of 3056	560	cmd.exe	30
PID 560 wrote to memory of 3056	560	cmd.exe	30
PID 3056 wrote to memory of 2056	3056	rundll32.exe	31
PID 3056 wrote to memory of 2056	3056	rundll32.exe	31
PID 3056 wrote to memory of 2056	3056	rundll32.exe	31
PID 3056 wrote to memory of 2056	3056	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\HG255s-10V100R001C163B037_main.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:560
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\HG255s-10V100R001C163B037_main.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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\HG255s-10V100R001C163B037_main.bin"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2056

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
cd6772ffba3fc8fbdbacc3fef2a34ab6

SHA1
071a6380c4a971335479577f31d82a0aa4fe77ab

SHA256
fa0ab1b53eda79858371959fdb67d366fb4521ed621a42a5894542d43d733dd5

SHA512
bb486f140e850359d6c102180379a7d2b83c3f5b6619512a4442863fe0b68095b2ab9856d056f113cc2044f84d788b00e958bf5a1dafbb8c6a1670ad078c11e2

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