7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881

Analysis

max time kernel
8s
max time network
5s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2022 09:41

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General

Target

7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe
Size

243KB
MD5

b276885e93fc03d0461f2b4e9c82cebb
SHA1

9d5de0b3bd266bcf8067b97142ff0624a3d0f9dd
SHA256

7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881
SHA512

1ddd787393ef6ae7ae07274a6ed58cfc35fdc4f695b106f05e12a7f7282bd0a4a812f601bb43888354d214c3196ce9677f9a0c59a6d2222f2abf488a89d8db97
SSDEEP

6144:AQ54Cf/5pp5FZZcjKXniuU/iO8kfEGaBjPNGoWyy:AQ5BfJ93dUmkmjP1Wy

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4816-133-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/4776-134-0x0000000000400000-0x000000000049A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	KuAW3A!b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KuAW3A!b = "C:\\PROGRA~3\\KuAW3A!b.exe"	KuAW3A!b.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\KuAW3A!b	KuAW3A!b.exe
File opened for modification	C:\PROGRA~3\KuAW3A!b	KuAW3A!b.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4816	7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4816	7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe
4776	KuAW3A!b.exe
4776	KuAW3A!b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4776	4816	7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe	82
PID 4816 wrote to memory of 4776	4816	7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe	82
PID 4816 wrote to memory of 4776	4816	7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe	82

C:\Users\Admin\AppData\Local\Temp\7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe
"C:\Users\Admin\AppData\Local\Temp\7eaabd39bf3edb0c11360480146774c585e4931a39ca7bf4df986ca4f7644881.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4816
- C:\PROGRA~3\KuAW3A!b.exe
  C:\PROGRA~3\KuAW3A!b.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4776

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4776-132-0x0000000000000000-mapping.dmp

Download
memory/4776-134-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4816-133-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download