843d5892ae16569f2b69899a9b344c4d8a36d441591006c9075c497a3bf7af20

Analysis

max time kernel
152s
max time network
122s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
29-08-2023 18:41

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General

Target

tmp/pip/_vendor/certifi/cacert.pem
Size

275KB
MD5

712a0c9e3337edc7f4c6c36a67727866
SHA1

cd0cc7f28f7c8aefea6f54f392c7bd68acacf572
SHA256

53b8854f8fe7fbb5c27c7a5cf08e3a69de641ee1af0d279d95ad9f75b428414a
SHA512

2183f4eaf351e500054039eecabf76df00c1fd66d777ac7cffab841bcbf6a60673d138c550b6e73bc80c5c7a162f399e4a6a62b120841df2902313cb747b14c6
SSDEEP

6144:f3fLXdA7U58f9ZKlWm5plXqXCRrcMBHADwYCuMslip:f3TS7xZa5LACRrcMOb8

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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.pem	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pem_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pem_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.pem\ = "pem_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pem_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pem_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pem_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pem_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2896	2424	cmd.exe	29
PID 2424 wrote to memory of 2896	2424	cmd.exe	29
PID 2424 wrote to memory of 2896	2424	cmd.exe	29
PID 2896 wrote to memory of 2728	2896	rundll32.exe	30
PID 2896 wrote to memory of 2728	2896	rundll32.exe	30
PID 2896 wrote to memory of 2728	2896	rundll32.exe	30
PID 2896 wrote to memory of 2728	2896	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tmp\pip\_vendor\certifi\cacert.pem
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tmp\pip\_vendor\certifi\cacert.pem
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\tmp\pip\_vendor\certifi\cacert.pem"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

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
83e30e2f928ab4e12b9dd4f654dfc04b

SHA1
35d332e895451ef6de05d110efd7fd72cd440864

SHA256
e3ce296da3a20030760618e17fadaa2bfcf5f3817052c06b1ab3dbe88c5f82d9

SHA512
f3ca60d8c3c1d41932e102ff38abcdb4817b8a4ea8f82821bca6230672010ca27a901a65cd5877339e90d0fc0fd34447acef33f909b63ef295e86856f25aa414

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