d85a9526b3eb9c38f7f5dc77ec40c9778e19939bfda294d25a365a743c4a5434

General

Target

yandere.exe
Size

496KB
MD5

771bb53824809e438fa9c6be25a04ca1
SHA1

8863a0bde8db7e563ecbcfb32207eab5f94253d2
SHA256

d85a9526b3eb9c38f7f5dc77ec40c9778e19939bfda294d25a365a743c4a5434
SHA512

0f4821fd842a232274e000e2c8409341f3db2b5c063a114d5d692ce77b13f4b97b22f7230099b6d6ed93e2ca39ab0d69393b7ac0c04955389e7d61dcadb8353b
SSDEEP

12288:ei1adC/4FqQ6VhmyRjcFDmE0cAfoQjcSMIBWcNYGUbrNZI4jk4eUq+IM:3ad6dNBR3c/9Rk/

Score

7^/10

collection spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	yandere.exe

Executes dropped EXE 1 IoCs

pid	Process
5084	PASMU7J.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASMU7J.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASMU7J.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASMU7J.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
34	checkip.dyndns.org

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5084	PASMU7J.exe
5084	PASMU7J.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5084	PASMU7J.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5084	PASMU7J.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 5084	1476	yandere.exe	88
PID 1476 wrote to memory of 5084	1476	yandere.exe	88
PID 1476 wrote to memory of 5084	1476	yandere.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASMU7J.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASMU7J.exe

C:\Users\Admin\AppData\Local\Temp\yandere.exe
"C:\Users\Admin\AppData\Local\Temp\yandere.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\PASMU7J.exe
  "C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\PASMU7J.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:5084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\PASMU7J.exe

Filesize
183KB

MD5
d3b2d4c4fedc2f8305309e8e77cfd6da

SHA1
1b67d5c174ca90e4996980c1a10892408f6f82be

SHA256
9688528dbaf75125004db4392eef3a26774f3b41eebfd88092075f1c7357ea36

SHA512
8a7b7e5defb182d700abfe941798d4b675c998ee8f77946a9a24281414f1e0847ae0f9b22b5454a03f9d7dfa714dfc0af94bf459464497c13f1f85ad60c9bfd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\PASMU7J.exe

Filesize
183KB

MD5
d3b2d4c4fedc2f8305309e8e77cfd6da

SHA1
1b67d5c174ca90e4996980c1a10892408f6f82be

SHA256
9688528dbaf75125004db4392eef3a26774f3b41eebfd88092075f1c7357ea36

SHA512
8a7b7e5defb182d700abfe941798d4b675c998ee8f77946a9a24281414f1e0847ae0f9b22b5454a03f9d7dfa714dfc0af94bf459464497c13f1f85ad60c9bfd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\PASMU7J.exe

Filesize
183KB

MD5
d3b2d4c4fedc2f8305309e8e77cfd6da

SHA1
1b67d5c174ca90e4996980c1a10892408f6f82be

SHA256
9688528dbaf75125004db4392eef3a26774f3b41eebfd88092075f1c7357ea36

SHA512
8a7b7e5defb182d700abfe941798d4b675c998ee8f77946a9a24281414f1e0847ae0f9b22b5454a03f9d7dfa714dfc0af94bf459464497c13f1f85ad60c9bfd0

Download Submit
memory/1476-0-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-1-0x0000000000780000-0x0000000000802000-memory.dmp

Filesize
520KB

Download
memory/1476-14-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/5084-15-0x0000000070E90000-0x0000000071441000-memory.dmp

Filesize
5.7MB

Download
memory/5084-16-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/5084-17-0x0000000070E90000-0x0000000071441000-memory.dmp

Filesize
5.7MB

Download
memory/5084-18-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/5084-19-0x0000000070E90000-0x0000000071441000-memory.dmp

Filesize
5.7MB

Download
memory/5084-20-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/5084-21-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/5084-22-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/5084-24-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing