77b9f0c79ae8a64eb8d2f6ad82089b44ceda4144a96840d47371548ead61a763

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 08:26

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General

Target

Redline_20_2/Redline_20_2_stealer-main/Kurome.Builder/Mono.Cecil.Mdb.pdb
Size

18KB
MD5

073d9d6c9c71f66151b84a376ede4a9d
SHA1

2101dfe180528b00af6596cc04af7d6d70eae943
SHA256

891251514aa16f94485263c52faba51bb5bb3495b9fad382c74f6c9da78718dd
SHA512

4135cbce4eebf255b143f3ef03525a0f9e0322a7a682584ec87b025aeaeb9c2d7294394bc9aacc87313047ac71c5b3b83429a93af4f4549f596c5a32b6587779
SSDEEP

384:uqgdBvkE/zECNLuSW5oAs+yj7tVcV6uGK2tmrNvnmBXizuXNYpkUkBqukOVOtq/y:NABvkE/znuSEMj7t++F9BquYKoZ

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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_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-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2652 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2652 AcroRd32.exe
2652 AcroRd32.exe

pid	process
2652	AcroRd32.exe

pid	process
2652	AcroRd32.exe
2652	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2212 wrote to memory of 2764	2212	cmd.exe	rundll32.exe
PID 2212 wrote to memory of 2764	2212	cmd.exe	rundll32.exe
PID 2212 wrote to memory of 2764	2212	cmd.exe	rundll32.exe
PID 2764 wrote to memory of 2652	2764	rundll32.exe	AcroRd32.exe
PID 2764 wrote to memory of 2652	2764	rundll32.exe	AcroRd32.exe
PID 2764 wrote to memory of 2652	2764	rundll32.exe	AcroRd32.exe
PID 2764 wrote to memory of 2652	2764	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Mdb.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Mdb.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2764

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\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Mdb.pdb"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2652

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
7bb6dc82d0b4bda2da611531cb52f5be

SHA1
40cbe54834dda330a8c9aec2321280b1af530d5e

SHA256
6f2de60ccdfe7ad0b1fcfacca3f9c916bb80fcae07d0f02587bce0ef529b001b

SHA512
abe681ffdbcb217bfa3f749f0c783dc1f0c0a90315d2039fccb683ec54a77329fd9fc60518c0cef654af83d324f7d63efb3bdeae463baf87879cb5e9d6551f52

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