4fca355ee4e0c0c7c0597b4b6d2458d48abf46058aa861669437c3d20a314c78

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
09-01-2024 13:11

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General

Target

4e638d78cadb79f3fcaa1e3969b6ba54.exe
Size

224KB
MD5

4e638d78cadb79f3fcaa1e3969b6ba54
SHA1

11b3b062703271561d9f07d00721129e7dc11d9d
SHA256

4fca355ee4e0c0c7c0597b4b6d2458d48abf46058aa861669437c3d20a314c78
SHA512

31fd8b9976a9eaf6c41cd8fef3d8e5febc9e77a5a4c4a0e23bb9b6639734e51bd985f32d1bbc1342c3f10887eafbe1839319931edd13233faf07b08eebe2c5d7
SSDEEP

3072:MN65bDzlF0rbwEa2MRSgRxGyZZmVExK9TkAa0ddtGrXZuCTychO+M8TW0U:M8pfEa2c9xGyE9TkudzsZuC2chBTW0U

Score

7^/10

spyware stealer

Malware Config

Signatures

Drops startup file 2 IoCs

Processes:

4e638d78cadb79f3fcaa1e3969b6ba54.exeattrib.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\44F8.tmp.bat	4e638d78cadb79f3fcaa1e3969b6ba54.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\44F8.tmp.bat	attrib.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4e638d78cadb79f3fcaa1e3969b6ba54.execmd.exe

description	pid	process	target process
PID 1040 wrote to memory of 1224	1040	4e638d78cadb79f3fcaa1e3969b6ba54.exe	cmd.exe
PID 1040 wrote to memory of 1224	1040	4e638d78cadb79f3fcaa1e3969b6ba54.exe	cmd.exe
PID 1040 wrote to memory of 1224	1040	4e638d78cadb79f3fcaa1e3969b6ba54.exe	cmd.exe
PID 1224 wrote to memory of 1300	1224	cmd.exe	attrib.exe
PID 1224 wrote to memory of 1300	1224	cmd.exe	attrib.exe
PID 1224 wrote to memory of 1300	1224	cmd.exe	attrib.exe
PID 1224 wrote to memory of 3040	1224	cmd.exe	attrib.exe
PID 1224 wrote to memory of 3040	1224	cmd.exe	attrib.exe
PID 1224 wrote to memory of 3040	1224	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

1300 attrib.exe
3040 attrib.exe

pid	process
1300	attrib.exe
3040	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4e638d78cadb79f3fcaa1e3969b6ba54.exe
"C:\Users\Admin\AppData\Local\Temp\4e638d78cadb79f3fcaa1e3969b6ba54.exe"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\MICROS~1\Word\STARTUP\44F8TM~1.BAT
2⤵
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\SysWOW64\attrib.exe
attrib -R -S -H "C:\Users\Admin\AppData\Local\Temp\4e638d78cadb79f3fcaa1e3969b6ba54.exe"
3⤵
- Views/modifies file attributes
PID:1300

C:\Windows\SysWOW64\attrib.exe
attrib -R -S -H "C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\44F8.tmp.bat"
3⤵
- Drops startup file
- Views/modifies file attributes
PID:3040

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\MICROS~1\Word\STARTUP\44F8.tmp.bat
Filesize
450B

MD5
f7d097de698e36c2325ad3bd502484dd

SHA1
7ef4781f0975c08d23f72abd6d9dda1be15b4d22

SHA256
9ee1ab3394d2880d98702f6fdf3edc2f0a64649209c1ee1308f547bf546c5ca9

SHA512
d682f011a9cac6bdd17f856d3b35f12f5e2e4d41c446b4c3bde85d029a7e262383828692bef66690089f6cc69a80b4ea516b5984541125bcac39e0bfd9a46eef

Download Submit
memory/1040-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1040-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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