40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e

General

Target

40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
Size

128KB
MD5

ea56e92f7326d412ba03f3dfac9298c3
SHA1

cb79d7ca1a6c537c65f139c6bd0ccff8f0f75704
SHA256

40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e
SHA512

b03ea4698674a941fd768d383e348f5b1f7bda76087da115edb50da46f2dbd0931abdd579ae8cb02a2089b458a4f0b9148927124cd2c7c08db96029c78ef6bc7
SSDEEP

3072:66mdSGLC/SU9e9rjmZvNbZwkmxDDe9rj/:66FKuSU9eVOpZdqDDeV/

Score

7^/10

credential_access discovery persistence spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Executes dropped EXE 1 IoCs

pid	Process
2704	outlook.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\sys32.exe"	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\sys32.exe	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
File created	C:\Windows\outlook.exe	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
File opened for modification	C:\Windows\outlook.exe	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
File opened for modification	C:\Windows\sys32.exe	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
File opened for modification	C:\Windows\outlook.cfg	outlook.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	outlook.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29
PID 1456 wrote to memory of 2704	1456	40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe	29

C:\Users\Admin\AppData\Local\Temp\40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe
"C:\Users\Admin\AppData\Local\Temp\40a173916595b80b79f229279c8a6263db9340413d6972d8faff971a0da39b6e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\outlook.exe
  C:\Windows\outlook.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

2

T1555

Credentials from Web Browsers

1

T1555.003

Windows Credential Manager

1

T1555.004

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\outlook.cfg

Filesize
665B

MD5
d3e2076a3b78ab31662476121d3255a2

SHA1
8aa3bbd3022396a4cfef8592cb9c91ee2fa074b1

SHA256
e458970eac51c9bca5c891be0b9cda9d8e2dbf0864b35cc239b918dc8e1dd26a

SHA512
ea42faa480668cb90c954c35b2483b0ea3eb14e90779fc7570ade41b093dfd46f9ba286dbf7cf796ba8d8384ebf9ec5086ac0463d7bdf91580186c9a8950bd6a

Download Submit
C:\Windows\outlook.exe

Filesize
49KB

MD5
0e9379e357aba95f8b9883af9b67675e

SHA1
280a174a414e5b8588f42b6328af2c8c8ff4394f

SHA256
96b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28

SHA512
6cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784

Download Submit
memory/1456-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1456-27-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2704-47-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2704-69-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads