2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 08:34

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General

Target

2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe
Size

84KB
MD5

879e101bc914ffa46d8aea74777ed57a
SHA1

1660286c4aca6abc53be34a9764509fe9e21b447
SHA256

2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd
SHA512

97ed91244921fbbddeafc8757b6f8ed2fb80de07ff3f166f838106586b8aa8c6b96d547520c7f8a1277aae882c4f26790095b2c3ff2126d87394d391101a488f
SSDEEP

1536:mPUg3lR8iT9XUJi6NhqKV2oCTGKuX5lYxjAJgO4djPgdNRuEOR2nI/0PiZ:m33lR8Q9kJNNh34TC5GxjXOqoRujR2nc

Score

8^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4320-132-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/4320-133-0x0000000000400000-0x0000000000426000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd = "c:\\windows\\2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe -m"	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

description	ioc	process
File created	\??\c:\windows\2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe
File opened for modification	\??\c:\windows\2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

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

System Information Discovery
T1082
Suspicious behavior: LoadsDriver 6 IoCs

Processes:

pid

4
4
4
4
4
648

pid
4
4
4
4
4
648

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

pid	process
4320	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe
4320	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

pid	process
4320	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe
4320	2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe

C:\Users\Admin\AppData\Local\Temp\2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe
"C:\Users\Admin\AppData\Local\Temp\2ef6c739b7ea8ca8c59c5f887390feb22af1c78171caa90468d0817626348ecd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4320-132-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4320-133-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download