739d8e382768ca1c159c50425bc7773bc2e7e3d91705fc41d3b32035b2811daa

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 10:10

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General

Target

Debug/DebugPPF.tmp
Size

11KB
MD5

b1e68fabd5c19aaa21de6351554aae2e
SHA1

66e7cf5d041a6ed9252ee4f6104ec0abb57d60b8
SHA256

63909409d9c79950289701c4a58605ea7fcd30703163fce0b4ac81204f0b3cca
SHA512

6e080f64d583e29a503282022ba587eb88903e2cf2bf943f9f9849fedf7f25dbfdeb02fae2803f03acf18b7a2bb37be1a1834e3b5ef7ef9098cfb0ee80a410dd
SSDEEP

192:fXBY6p0nsAXXOZfZz2zgJNGayrKy8pJErK7EuKr3eEohK11pS:PcnFneZz2zE/+rK7EuJ6S

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tmp_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.tmp\ = "tmp_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tmp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tmp_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tmp_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tmp_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.tmp	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tmp_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2760	2924	cmd.exe	29
PID 2924 wrote to memory of 2760	2924	cmd.exe	29
PID 2924 wrote to memory of 2760	2924	cmd.exe	29
PID 2760 wrote to memory of 2656	2760	rundll32.exe	30
PID 2760 wrote to memory of 2656	2760	rundll32.exe	30
PID 2760 wrote to memory of 2656	2760	rundll32.exe	30
PID 2760 wrote to memory of 2656	2760	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Debug\DebugPPF.tmp
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Debug\DebugPPF.tmp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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\Debug\DebugPPF.tmp"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2656

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
f2ba71fe8aea0d70852b14a5b52cd21d

SHA1
7f320ff295cd0c6979c46bd5c5137b09e9605de9

SHA256
ae60d440812dd5ba200725564a77a227feffe8bdd374bc82c4ba110a0c8171f4

SHA512
8e123275364eae39bc73c89a80398c4c1be92125241d04d9bd0077a62a82c155a4d30bb8492b55d713d30ab086b2fe46cd1007f6867620c4ceb2ac939c8548a3

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