c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c

Analysis

max time kernel
100s
max time network
135s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 06:30

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General

Target

c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe
Size

136KB
MD5

80f05cd8c9d4b621e0d2dd8a83f8051f
SHA1

4a6eedc936a079d16b746f5436916db6b86a4209
SHA256

c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c
SHA512

ed0f2e90b166fa4cf757f234cdf978263d76b4b12c6ba0d0f3c4fd4aba078940f0aabad46b998ad6fb4622468890f70eaf66a907e10b70ae67634056f5c0dbe9
SSDEEP

3072:ole+/KYkGQWSX5QAdMomGdP3xxS1m0FRbZSqpqcSx2ANeZZS5:onFkBJQuMomGdfPgb1qt3wS5

Score

10^/10

persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2040-59-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral1/memory/328-57-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral1/memory/2040-61-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral1/memory/1780-65-0x0000000000400000-0x0000000000459000-memory.dmp	upx

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
T1081

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 328	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	28
PID 2040 wrote to memory of 328	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	28
PID 2040 wrote to memory of 328	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	28
PID 2040 wrote to memory of 328	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	28
PID 2040 wrote to memory of 1780	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	30
PID 2040 wrote to memory of 1780	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	30
PID 2040 wrote to memory of 1780	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	30
PID 2040 wrote to memory of 1780	2040	c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe	30

C:\Users\Admin\AppData\Local\Temp\c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe
"C:\Users\Admin\AppData\Local\Temp\c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe
  C:\Users\Admin\AppData\Local\Temp\c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:328
- C:\Users\Admin\AppData\Local\Temp\c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe
  C:\Users\Admin\AppData\Local\Temp\c04bd9cb313c537fc1f9dd07e1f18d76d29f5ec60216be1abede232a4e34ad4c.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/328-58-0x00000000005CE000-0x00000000005EB000-memory.dmp

Filesize
116KB

Download
memory/328-57-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1780-65-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1780-66-0x000000000026E000-0x000000000028B000-memory.dmp

Filesize
116KB

Download
memory/2040-54-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/2040-59-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2040-60-0x000000000028E000-0x00000000002AB000-memory.dmp

Filesize
116KB

Download
memory/2040-61-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2040-62-0x000000000028E000-0x00000000002AB000-memory.dmp

Filesize
116KB

Download