4acea05ab0905a50470e55fcb4575e6feee6e7f5ae857bdd388818cee7a562c6

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:10

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General

Target

521cf0805a2515e0ccfc307f4b045897.exe
Size

670KB
MD5

521cf0805a2515e0ccfc307f4b045897
SHA1

d3350a750d46bba3a503a89e323cda3f38c6f7c3
SHA256

173dddf20ec8f4d138fe9c0ebb8f49624ab983e15634f9da225d258b18c99cf8
SHA512

18ba9ec46fe6b1050ae8f7dcb779e71aaac6c8abf2637271b5e5bf1ca16233074502bad1c426590ae776c30838874843e15b15664bd2d5123343f9cdbd9f3649
SSDEEP

6144:BtT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rCQ:r6u7+487IFjvelQypyfy7CQ

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

Executes dropped EXE 3 IoCs

pid	Process
2444	app.exe
2656	app.exe
1044	My.RawFile.exe

Loads dropped DLL 3 IoCs

pid	Process
1744	521cf0805a2515e0ccfc307f4b045897.exe
2444	app.exe
2444	app.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	521cf0805a2515e0ccfc307f4b045897.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2096	2444	app.exe	32
PID 2444 set thread context of 1148	2444	app.exe	33

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	521cf0805a2515e0ccfc307f4b045897.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1744	521cf0805a2515e0ccfc307f4b045897.exe
1744	521cf0805a2515e0ccfc307f4b045897.exe
1744	521cf0805a2515e0ccfc307f4b045897.exe
1744	521cf0805a2515e0ccfc307f4b045897.exe
1744	521cf0805a2515e0ccfc307f4b045897.exe
1744	521cf0805a2515e0ccfc307f4b045897.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2656	app.exe
2656	app.exe
2656	app.exe
2656	app.exe
2656	app.exe
2656	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
1044	My.RawFile.exe
1044	My.RawFile.exe
1044	My.RawFile.exe
1044	My.RawFile.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe
2444	app.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	521cf0805a2515e0ccfc307f4b045897.exe
Token: SeDebugPrivilege	2444	app.exe
Token: SeDebugPrivilege	2656	app.exe
Token: SeDebugPrivilege	1044	My.RawFile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1044	My.RawFile.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2444	1744	521cf0805a2515e0ccfc307f4b045897.exe	29
PID 1744 wrote to memory of 2444	1744	521cf0805a2515e0ccfc307f4b045897.exe	29
PID 1744 wrote to memory of 2444	1744	521cf0805a2515e0ccfc307f4b045897.exe	29
PID 1744 wrote to memory of 2444	1744	521cf0805a2515e0ccfc307f4b045897.exe	29
PID 2444 wrote to memory of 2656	2444	app.exe	30
PID 2444 wrote to memory of 2656	2444	app.exe	30
PID 2444 wrote to memory of 2656	2444	app.exe	30
PID 2444 wrote to memory of 2656	2444	app.exe	30
PID 2444 wrote to memory of 1044	2444	app.exe	31
PID 2444 wrote to memory of 1044	2444	app.exe	31
PID 2444 wrote to memory of 1044	2444	app.exe	31
PID 2444 wrote to memory of 1044	2444	app.exe	31
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 2096	2444	app.exe	32
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33
PID 2444 wrote to memory of 1148	2444	app.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe

C:\Users\Admin\AppData\Local\Temp\521cf0805a2515e0ccfc307f4b045897.exe
"C:\Users\Admin\AppData\Local\Temp\521cf0805a2515e0ccfc307f4b045897.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2444
- - 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:2656
- - 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:1044
- - 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:2096
- - 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:1148

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

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
18491ed8975f889bdd2af6de24ba2146

SHA1
a009fc5493bf84520039875ad880fb262f006151

SHA256
c71d0084ca3fcf6f39b54aabaefce1d36db409a357c4b15e1776cdde6cce7d22

SHA512
a5df8b24c646f84dfe650af2d2b69175aaa82203fcd44fc54e941ae6b14fe7f84570a0380699ea06f8f82d8acc0a8f0810a1a9599ec46cd0165534072b8f75f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1E79.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2C11.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
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
676KB

MD5
fc284a60fb7e18b0efc370013d489069

SHA1
6ef03e147487009738dbf327ea177d1d40b233a6

SHA256
dd5a2a41d0a2e11447139fa53e369668fa641470091ce927ffd344c932d5b56f

SHA512
6ee80e819c4c0f71016ce69d66fcebf9f86eb2f6e9fb4557b991927d8f2010a33c4085c44cff307ec2328966da324a5102e3190ff3a451044d454fcd63a1ed8c

Download Submit
memory/1744-10-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-11-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-12-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-13-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-25-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

Filesize
4KB

Download
memory/1744-32-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2096-71-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-74-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-67-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-69-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-84-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-81-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-77-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2096-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2444-34-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-43-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-66-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-44-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-33-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-104-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-103-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-107-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2444-108-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download