79c70132d8af494d0debc352db407d99b5c8c83b4484946b8a10be432e8f80b1

Resubmissions

11-06-2023 01:19

230611-bpmdtsgh9z 7

11-06-2023 01:17

230611-bnn62agb96 7

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11-06-2023 01:19

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General

Target

blazeface.tfl
Size

339KB
MD5

f25fb5752634ba2183d9a16fa878f60a
SHA1

a2c79843f110c68ec9b0da5d360a386152e1edae
SHA256

4f25cc142e96b5f21b3236d2166c2e662920681f1d23942d2510e98c8af6ecdc
SHA512

5f44b07cb830493b8bec2016e374866c8906c80085ce0395c7618fc7f85f15cef4367fe0e67720e2bd484b1d477cd793ca1698f7247b1cf0a46101e2c60f188d
SSDEEP

6144:7zvI9EBm20EDuCxXFCtVUoRrBofiLAC1P01TArqOuQeu2CEYc6OU3RJvnY581wqY:7zKQ70E6usH+iLAC1P06qOLeu2/qJvni

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 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\tfl_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\tfl_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\tfl_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.tfl\ = "tfl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\tfl_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.tfl	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\tfl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\tfl_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1212 AcroRd32.exe
1212 AcroRd32.exe
1212 AcroRd32.exe

pid	process
1212	AcroRd32.exe
1212	AcroRd32.exe
1212	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1064 wrote to memory of 652	1064	cmd.exe	rundll32.exe
PID 1064 wrote to memory of 652	1064	cmd.exe	rundll32.exe
PID 1064 wrote to memory of 652	1064	cmd.exe	rundll32.exe
PID 652 wrote to memory of 1212	652	rundll32.exe	AcroRd32.exe
PID 652 wrote to memory of 1212	652	rundll32.exe	AcroRd32.exe
PID 652 wrote to memory of 1212	652	rundll32.exe	AcroRd32.exe
PID 652 wrote to memory of 1212	652	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\blazeface.tfl
1⤵
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\blazeface.tfl
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:652

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\blazeface.tfl"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1212

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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