36d8e2445d84d4f5285f1a7206efe441c882c81e8c0c483e6e14186ffe243ace

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 00:32

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General

Target

46a96b032abc2cb00317a2f010d7be7e.exe
Size

212KB
MD5

46a96b032abc2cb00317a2f010d7be7e
SHA1

76b649cc7496cecc46bd8e7bf741f1999063605a
SHA256

36d8e2445d84d4f5285f1a7206efe441c882c81e8c0c483e6e14186ffe243ace
SHA512

951326d99888d7d35c7c9cd522cee2b88132b249f9fe8f3966a577ccd2664999735762a35a7f2afdcd228450289618162f4a2758a0bc8eb1ae311b62aba36171
SSDEEP

6144:+/CBSA9GtvcpTk82BhEgSC1cd5IMP3qP:dBLivcp6EtC1cdObP

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3176	Yduxea.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3404-0-0x0000000000400000-0x000000000047E000-memory.dmp	upx
behavioral2/memory/3404-2-0x0000000000400000-0x000000000047E000-memory.dmp	upx
behavioral2/files/0x0007000000023211-10.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Yduxea.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	46a96b032abc2cb00317a2f010d7be7e.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	46a96b032abc2cb00317a2f010d7be7e.exe
File created	C:\Windows\Yduxea.exe	46a96b032abc2cb00317a2f010d7be7e.exe
File opened for modification	C:\Windows\Yduxea.exe	46a96b032abc2cb00317a2f010d7be7e.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Yduxea.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2008	3176	WerFault.exe	91

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	Yduxea.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe
3176	Yduxea.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 3176	3404	46a96b032abc2cb00317a2f010d7be7e.exe	91
PID 3404 wrote to memory of 3176	3404	46a96b032abc2cb00317a2f010d7be7e.exe	91
PID 3404 wrote to memory of 3176	3404	46a96b032abc2cb00317a2f010d7be7e.exe	91

C:\Users\Admin\AppData\Local\Temp\46a96b032abc2cb00317a2f010d7be7e.exe
"C:\Users\Admin\AppData\Local\Temp\46a96b032abc2cb00317a2f010d7be7e.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\Yduxea.exe
  C:\Windows\Yduxea.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:3176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 808
    3⤵
    - Program crash
    PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3176 -ip 3176
1⤵
PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
362B

MD5
d13e4fd15037e64c872bdbe1055d7f5d

SHA1
66cf256c5aaa533e3732f07ea4b359c826dfde21

SHA256
d27edabc16ddb7c162b21ac76c0b9cefb79f648e528edc784767b6ef9b184889

SHA512
979b547bfe981fec35fc43cf5eae91fc65c1dfb987fb6251010a484ade116528297992ba49962fde51783623138e1581308b67aff11aa569dfc64a03aadbd2f2

Download Submit
C:\Windows\Yduxea.exe

Filesize
212KB

MD5
46a96b032abc2cb00317a2f010d7be7e

SHA1
76b649cc7496cecc46bd8e7bf741f1999063605a

SHA256
36d8e2445d84d4f5285f1a7206efe441c882c81e8c0c483e6e14186ffe243ace

SHA512
951326d99888d7d35c7c9cd522cee2b88132b249f9fe8f3966a577ccd2664999735762a35a7f2afdcd228450289618162f4a2758a0bc8eb1ae311b62aba36171

Download Submit
memory/3176-16-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3176-20-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3176-57073-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3176-62613-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3176-143904-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3404-0-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3404-2-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3404-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/3404-5-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3404-33753-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download