eb3a0dde867994262fd22df0f5011cda8f7152a43da08b9a52c25d7f24bc24c2

Analysis

max time kernel
153s
max time network
141s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 05:26

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General

Target

exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ccm.pyc
Size

25KB
MD5

ccbad7d94822d1a742c64defd39bab01
SHA1

694fad588d955eabe08c41f630d7c4551b0618d3
SHA256

113e3baeb76127624daa562fecbb39f08e083b67fafd46e729b56b20849d1f24
SHA512

515e4b4e63e7c284c8e37e9919d11dd435e79ca4069f683c1c47c69798e7212a11a1f680cec7d09f1423bca9bf153283f395827d2bbc27fb399ba1a85d11da69
SSDEEP

384:Tq/qgU1Xl1wB3ziI4SiI4QuogPD8jLmv4SeWPj7KzPc4eqEu:T5/wJDEI4VPWmvxeG7KYW

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2628	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2628	AcroRd32.exe
2628	AcroRd32.exe
2628	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2652	1200	cmd.exe	29
PID 1200 wrote to memory of 2652	1200	cmd.exe	29
PID 1200 wrote to memory of 2652	1200	cmd.exe	29
PID 2652 wrote to memory of 2628	2652	rundll32.exe	30
PID 2652 wrote to memory of 2628	2652	rundll32.exe	30
PID 2652 wrote to memory of 2628	2652	rundll32.exe	30
PID 2652 wrote to memory of 2628	2652	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\exe.win-amd64-3.11\lib\Cryptodome\Cipher\_mode_ccm.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\exe.win-amd64-3.11\lib\Cryptodome\Cipher\_mode_ccm.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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\exe.win-amd64-3.11\lib\Cryptodome\Cipher\_mode_ccm.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
bdb79bf14343250c3e18d1c65a9fe5c6

SHA1
5ed982104f41a2d1903753c92643200176cc7880

SHA256
e05ae399b9da7041c108bc3c5b488e947772b98074f2dc3a47a32a630c051e5f

SHA512
13442d777a0830e06acc3645295089c25c0d8afeeec758e60c40bac328993a8e70444c746c92c93f6123f9838d3512df4a9768c68ec62ac2495be969df64ff45

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