3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd

Analysis

max time kernel
30s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 02:35

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General

Target

3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe
Size

3.6MB
MD5

2033fc3da0ef2fcbd47dd1551807b0e8
SHA1

cc343aef0f73d2dda25ad2ef196c19bba52df873
SHA256

3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd
SHA512

20c0d80c3a40b90359feb5698a61ec8f38f6a6c35aeaf5c06fa3ac0443c314b0694eb6b8a4373294cac4c5282be4ec372f3291d46685a995a45c7c57e1c23c82
SSDEEP

49152:w/3gny94F0YDjrJUMRzQZ2hy9FyCpNb7wHfOCW0iH6U2bMjSCLve4Da:w/3v9M08NUMdQ4U9Aeh7iwaU6MjSIW42

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a000000012329-57.dat	acprotect

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000a000000012329-57.dat	upx

Loads dropped DLL 1 IoCs

pid	Process
1852	3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1852	3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe
1852	3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe
1852	3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe

C:\Users\Admin\AppData\Local\Temp\3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe
"C:\Users\Admin\AppData\Local\Temp\3921ecd9d17dd73278d93b43fbae5ac946622d7d8402f8a9b1af0331c71614dd.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\{2B445EC8-7E93-4C6E-B632-43F078AA5AF2}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/1852-54-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/1852-55-0x0000000000400000-0x000000000072E000-memory.dmp

Filesize
3.2MB

Download
memory/1852-56-0x0000000000400000-0x000000000072E000-memory.dmp

Filesize
3.2MB

Download
memory/1852-58-0x0000000003BE0000-0x0000000003C3B000-memory.dmp

Filesize
364KB

Download
memory/1852-59-0x0000000000400000-0x000000000072E000-memory.dmp

Filesize
3.2MB

Download