c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 01:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
Size

676KB
MD5

4c9c8b1410de7835cfd8e29c48d5adf9
SHA1

b136b7f45703fa117c31a588c66d3666505016e3
SHA256

c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f
SHA512

c8344c661dafb2899dc95d77c5780f1c4f540212732c998c76079df9b53c9c11a5c7d250790b09e55828cc763486248c34f33b04a5f38dfee96e62d8ae1c3675
SSDEEP

6144:GWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Am/vF:Gz7IFjvelQypyfy7z6u7+4D37Am/vF

Score

10^/10

collection credential_access discovery persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Boy12345#

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	app.exe

Executes dropped EXE 3 IoCs

pid	Process
1372	app.exe
4332	app.exe
5056	My.RawFile.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe

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\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.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
18	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1372 set thread context of 2444	1372	app.exe	90
PID 1372 set thread context of 548	1372	app.exe	91

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	My.RawFile.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
4332	app.exe
4332	app.exe
4332	app.exe
4332	app.exe
4332	app.exe
4332	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
5056	My.RawFile.exe
5056	My.RawFile.exe
5056	My.RawFile.exe
5056	My.RawFile.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe
1372	app.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
Token: SeDebugPrivilege	1372	app.exe
Token: SeDebugPrivilege	4332	app.exe
Token: SeDebugPrivilege	5056	My.RawFile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5056	My.RawFile.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 1372	768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe	85
PID 768 wrote to memory of 1372	768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe	85
PID 768 wrote to memory of 1372	768	c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe	85
PID 1372 wrote to memory of 4332	1372	app.exe	86
PID 1372 wrote to memory of 4332	1372	app.exe	86
PID 1372 wrote to memory of 4332	1372	app.exe	86
PID 1372 wrote to memory of 5056	1372	app.exe	89
PID 1372 wrote to memory of 5056	1372	app.exe	89
PID 1372 wrote to memory of 5056	1372	app.exe	89
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 2444	1372	app.exe	90
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 548	1372	app.exe	91
PID 1372 wrote to memory of 548	1372	app.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe

C:\Users\Admin\AppData\Local\Temp\c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe
"C:\Users\Admin\AppData\Local\Temp\c77a6599b4bd28f71bb3355d9d6a1e85a4dd18b14aa94e61fcfc8be15f40b59f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Users\Admin\AppData\Roaming\app.exe
    "C:\Users\Admin\AppData\Roaming\app.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4332
- - C:\Users\Admin\AppData\Roaming\My.RawFile.exe
    "C:\Users\Admin\AppData\Roaming\My.RawFile.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:5056
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2444
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\My.RawFile.exe

Filesize
142KB

MD5
5a733ef0de5e31e2e4b4abb016c0f251

SHA1
28644040a6deac35c20fa931b5d003a97293363e

SHA256
a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

SHA512
9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
685KB

MD5
b653fe27e3397495d0d49145324ff513

SHA1
388d066032f3d791da172c7277a254bc0ab73e1b

SHA256
fdd2ed95f7a85cf672f561e4fb3d37d4884569eff6d62cb77bb213b87f29edc4

SHA512
5545d575022f9fc2c8bbc782f11747f795a7fa784d65a6ff6228f94bd87368c28f7f33a94022be7032eeea3a6f940b5ab15b1ec30d7b5521ca455b0ea798607c

Download Submit
memory/768-1-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-2-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-5-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-6-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-18-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/768-19-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-20-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-31-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/768-0-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/1372-33-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1372-35-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1372-34-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1372-39-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1372-32-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1372-57-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1372-58-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/2444-54-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4332-37-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4332-38-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4332-61-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4332-62-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download