594fc6920eaa06364ff7ffeb87be15ec81882030749759a872a6b9f17da75670

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21-05-2024 14:43

240521-r3mvhshd83 3

21-05-2024 14:40

21-05-2024 14:37

21-05-2024 14:34

21-05-2024 14:31

Analysis

max time kernel
18s
max time network
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 14:43

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General

Target

Some Problems/Copy of TdGsG1m3Z48TTnoG6APDZ5PGnx3ys2Ax_EbiBYSkdEDcb5WxBJcA3KD9lD8hi5TTiuv8yJB3vBgVAB.c9r
Size

211KB
MD5

e488f03cb5bc2774b4eae6aaac680f78
SHA1

e43a9c3cfad8b16effb98fef79293ca194644277
SHA256

95c06235aa35f91d192241a8d42eef29bee96076a762d781240dc8f63221d735
SHA512

b40f6836ef003a08b3ebf4fa7d993bf9289f824243fbe18ee426b0bbfebefec62f8f1f492e5363937f1581f763f93b5f10d54d28aea664e7bf0a4b7a71fad39f
SSDEEP

6144:iQ2CyPOiNePCsNqRc1Nr1pgaKbZ2DLHT7+:X2NOi8PCsURu5pga2Z2vTy

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\c9r_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\.c9r	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\c9r_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\c9r_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2528 AcroRd32.exe
2528 AcroRd32.exe

pid	process
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2452 wrote to memory of 2476	2452	cmd.exe	rundll32.exe
PID 2452 wrote to memory of 2476	2452	cmd.exe	rundll32.exe
PID 2452 wrote to memory of 2476	2452	cmd.exe	rundll32.exe
PID 2476 wrote to memory of 2528	2476	rundll32.exe	AcroRd32.exe
PID 2476 wrote to memory of 2528	2476	rundll32.exe	AcroRd32.exe
PID 2476 wrote to memory of 2528	2476	rundll32.exe	AcroRd32.exe
PID 2476 wrote to memory of 2528	2476	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of TdGsG1m3Z48TTnoG6APDZ5PGnx3ys2Ax_EbiBYSkdEDcb5WxBJcA3KD9lD8hi5TTiuv8yJB3vBgVAB.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:2452

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of TdGsG1m3Z48TTnoG6APDZ5PGnx3ys2Ax_EbiBYSkdEDcb5WxBJcA3KD9lD8hi5TTiuv8yJB3vBgVAB.c9r
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2476

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\Some Problems\Copy of TdGsG1m3Z48TTnoG6APDZ5PGnx3ys2Ax_EbiBYSkdEDcb5WxBJcA3KD9lD8hi5TTiuv8yJB3vBgVAB.c9r"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2528

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
a4400171dc1a4a658bcc75b7fcb5af41

SHA1
6742cb923d5ceca00d44006211bc240b2269e69b

SHA256
363d32b0f33a10f1645f550c27cabdfdbf20b12571747c4813014036f053ab58

SHA512
c98e218fff9b004caebacaf8cd6e74d9147314482517cd09fdfa9494442b282e68797d223b50bf4be7c993f9e2a7ed94441b0e2084bceb5d6beb7e8e95dea433

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