6401173b049bfd58a827e272138d0cf08185519dfa744e2b2e9990b4cade3a49

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 11:05

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General

Target

$TEMP/sl-modem.py
Size

1KB
MD5

c9a52132fc69b593b08f79c10c42c58d
SHA1

ccade75a7569fff80fc217a40b74f5ca5f3d0327
SHA256

8477cf22623c21520b9022e91ce13631129fa78cf11bdcac96b47585b2b800ec
SHA512

0710257bcef424cb0bdcb7e8e5a391417e2be6d93461dc966c0e3ef5051eae7654b9e9ade2fdb3f0d209f8a05c5ccdf0a9da12b0bafe94248eedd72e2253f91c

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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.py	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2272	2292	cmd.exe	29
PID 2292 wrote to memory of 2272	2292	cmd.exe	29
PID 2292 wrote to memory of 2272	2292	cmd.exe	29
PID 2272 wrote to memory of 1700	2272	rundll32.exe	30
PID 2272 wrote to memory of 1700	2272	rundll32.exe	30
PID 2272 wrote to memory of 1700	2272	rundll32.exe	30
PID 2272 wrote to memory of 1700	2272	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\$TEMP\sl-modem.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\$TEMP\sl-modem.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2272
- - 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\$TEMP\sl-modem.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1700

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
cced02337548197069ef06e2ff6f41b9

SHA1
dc94a39611de1988ba255a8891afaf42aa48ea86

SHA256
e8871a418aa8e7a1c69aa79e61f3af5d948408708ae2990b01e55d64eee4834c

SHA512
34aa512331ca0702a0b18405955ee96a27f19a86e607b0c5000820e7dd4698f1ddcf8fa8d2032b5c1e840f0f8d35f7eaa7387baba18637fe5f0005e522423afd

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