d3ca102b990985518abf51ba8d71af250d10d9a017cfda853bbd71eafec3de0a

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 23:23

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General

Target

Built/osint.pdb
Size

23KB
MD5

ece88b11e3f3e64c264696ac14705836
SHA1

0140aea50ea5eec3be3aadc75e9d3d4448d738e9
SHA256

e6ee30463b9090d04b452270b0dd80b552729d1366287993d8e7ca6f9fc85167
SHA512

79de5e22078db0a13b13ccf19e14ce2cd10c25c176762852374245cf0613a8a2644d464be0bc56d552490c656e468c89f95059d28643c250d49780316dc61542
SSDEEP

384:zcCO/aMUuKHLWjP+9kgp5ZzUqCdfaMsb0xButYiskCd7AiDfCLT6PvBGboIfCIHN:gaMUuEF9k85JKkmXi9b0BKTIShNkTDur

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2868	AcroRd32.exe
2868	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2144	1276	cmd.exe	29
PID 1276 wrote to memory of 2144	1276	cmd.exe	29
PID 1276 wrote to memory of 2144	1276	cmd.exe	29
PID 2144 wrote to memory of 2868	2144	rundll32.exe	30
PID 2144 wrote to memory of 2868	2144	rundll32.exe	30
PID 2144 wrote to memory of 2868	2144	rundll32.exe	30
PID 2144 wrote to memory of 2868	2144	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Built\osint.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Built\osint.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2144
- - 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\Built\osint.pdb"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2868

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
6bee52dd62842edd020ef892107f37bb

SHA1
6f04db2439257916eb69c15c590920be2cd93762

SHA256
1ba55b9cbc30eaccaec58a451f16f457297c5e676e06160689aafbd6a94b6020

SHA512
b5d7dd6cf3bc47f867e737dce05c07f73609a0ca74c41fe884d110193a663cac2f837cd12f15b96bebd3e75bda61da1404d46e7c05a1c360009e631c93ff8396

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