c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2022, 20:47 UTC

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General

Target

c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe
Size

210KB
MD5

1daa807a4956c2e583e198bdfee25482
SHA1

244887cb4a47c5e4efb7f0c9e81ff199a33323aa
SHA256

c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2
SHA512

f11c1addb67a6626791212184e8f47a5896ac8c5f23b984204c3812a5ffcfc77b0094e2a13c259060852c8fd6c249288bfe9a4ae444b88449834775d3a4080ad
SSDEEP

3072:1KqG/LZ4+QcNtfentoa7TIWFGJWdTblH2Gjl7S6OnBPYnnNCHQEK5it5NoGtznlS:1KquFT3fetIJWZog7SPBPYcHK4t5/CO

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{BBAEAEAF-1275-40e2-BD6C-BC8F88BD114A}.job	c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe
File opened for modification	C:\Windows\Tasks\{BBAEAEAF-1275-40e2-BD6C-BC8F88BD114A}.job	c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3404	820	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main	c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
820	c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
820	c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe
820	c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

C:\Users\Admin\AppData\Local\Temp\c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe
"C:\Users\Admin\AppData\Local\Temp\c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 1000
  2⤵
  - Program crash
  PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 820 -ip 820
1⤵
PID:2728

Network

DNS

filestube.com

c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

Remote address:

8.8.8.8:53

Request

filestube.com

IN A

Response

filestube.com

IN A

212.14.50.214
DNS

goo.ne.jp

c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

Remote address:

8.8.8.8:53

Request

goo.ne.jp

IN A

Response

goo.ne.jp

IN A

114.179.184.93

40.126.32.134:443

260 B
5
87.248.202.1:80

260 B
5
178.79.208.1:80

260 B
5
72.21.91.29:80

322 B
7
20.44.10.123:443

322 B
7
87.248.202.1:80

322 B
7
87.248.202.1:80

322 B
7
87.248.202.1:80

322 B
7
104.80.225.205:443

322 B
7

8.8.8.8:53

filestube.com

dns

c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

59 B
75 B
1
1

DNS Request

filestube.com

DNS Response

212.14.50.214
8.8.8.8:53

goo.ne.jp

dns

c741fe993819975a817807921ed5677037b56cda6ac043cd7e38c98ec9a249b2.exe

55 B
71 B
1
1

DNS Request

goo.ne.jp

DNS Response

114.179.184.93

MITRE ATT&CK Enterprise v6

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

memory/820-134-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/820-135-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/820-136-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/820-137-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download