61859a2460b667071ecd47bb30206247afc972d6a02f5932d827057734347133

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
25-07-2023 11:01

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General

Target

newhotmail/hotmail/log.php
Size

2KB
MD5

8f3feb841ddf4e9feb702b18de5380f6
SHA1

e8cc81dd89bcd86cb347984c7c6dd4827c9d175b
SHA256

0f905866d0118a674191eb5d20c63fb0c2fb287d8c00027280cf0285278391a0
SHA512

61bd364d45506fe5a11892d9e20f55ed89e5729229ef7a870cae6be6961cce868d81bf30905d4dd82ed7e285bf64281da374dffce163f3157139c0bfd1c44626

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\php_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\php_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\php_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\php_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\php_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.php	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.php\ = "php_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\php_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1684 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1684 AcroRd32.exe
1684 AcroRd32.exe
1684 AcroRd32.exe

pid	process
1684	AcroRd32.exe

pid	process
1684	AcroRd32.exe
1684	AcroRd32.exe
1684	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2148 wrote to memory of 2976	2148	cmd.exe	rundll32.exe
PID 2148 wrote to memory of 2976	2148	cmd.exe	rundll32.exe
PID 2148 wrote to memory of 2976	2148	cmd.exe	rundll32.exe
PID 2976 wrote to memory of 1684	2976	rundll32.exe	AcroRd32.exe
PID 2976 wrote to memory of 1684	2976	rundll32.exe	AcroRd32.exe
PID 2976 wrote to memory of 1684	2976	rundll32.exe	AcroRd32.exe
PID 2976 wrote to memory of 1684	2976	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\newhotmail\hotmail\log.php
1⤵
- Suspicious use of WriteProcessMemory
PID:2148

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\newhotmail\hotmail\log.php
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2976

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\newhotmail\hotmail\log.php"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1684

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
c1e7a58caa83f2436c5fe5ee3fdc3a0a

SHA1
bc7f667c159fb8ff397d9bafc45f0e4cce23b9cb

SHA256
0183999a59593a126490f26163667c972679eb4443a5fe98b4a0bf025be8ca54

SHA512
b93741375d562b988a03a4339d0848d307fa462efc2e38f91e3921473b133ae77ddfc004d8d19cf1d9856bc31809568054ba9db649f4c33fafefa9b50a7eebe4

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