f8eb9b286a0d33e287568961f883aa9d1be6e9ec8cf5eee3a3a1a6b106d02f74

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:15

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General

Target

b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
Size

594KB
MD5

80e94253e23b7f2207ec4bdb253324c9
SHA1

c1f19905eb43c59c23ebd32ee6eef99326587228
SHA256

b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040
SHA512

a5931493526e7904c6d6759ff178b533c23c1717c01e51189d30d2dbf0758c5bca48d0e261c8975418c7633b5ba986e381de59cc7cefd43d46ccdc23970f0c9a
SSDEEP

6144:CtT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rL7:e6u7+487IFjvelQypyfy7L7

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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	app.exe

Executes dropped EXE 3 IoCs

pid	Process
956	app.exe
4516	app.exe
512	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-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\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-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.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
27	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 956 set thread context of 64	956	app.exe	108
PID 956 set thread context of 1268	956	app.exe	107

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	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
4516	app.exe
4516	app.exe
4516	app.exe
4516	app.exe
4516	app.exe
4516	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
512	My.RawFile.exe
512	My.RawFile.exe
512	My.RawFile.exe
512	My.RawFile.exe
512	My.RawFile.exe
512	My.RawFile.exe
512	My.RawFile.exe
512	My.RawFile.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe
956	app.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
Token: SeDebugPrivilege	956	app.exe
Token: SeDebugPrivilege	4516	app.exe
Token: SeDebugPrivilege	512	My.RawFile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
512	My.RawFile.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 956	4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe	100
PID 4684 wrote to memory of 956	4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe	100
PID 4684 wrote to memory of 956	4684	b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe	100
PID 956 wrote to memory of 4516	956	app.exe	103
PID 956 wrote to memory of 4516	956	app.exe	103
PID 956 wrote to memory of 4516	956	app.exe	103
PID 956 wrote to memory of 512	956	app.exe	106
PID 956 wrote to memory of 512	956	app.exe	106
PID 956 wrote to memory of 512	956	app.exe	106
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 64	956	app.exe	108
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 1268	956	app.exe	107
PID 956 wrote to memory of 1268	956	app.exe	107

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\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-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe

C:\Users\Admin\AppData\Local\Temp\b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.exe
"C:\Users\Admin\AppData\Local\Temp\b99adb733f5130e17033aa18a6ef1363fa8e45b4de8bfb82d16749d0ad825040.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:4684
- 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:956
- - 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:4516
- - 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:512
- - 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:1268
- - 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:64

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\aspnet_compiler.exe.log

Filesize
20B

MD5
b3ac9d09e3a47d5fd00c37e075a70ecb

SHA1
ad14e6d0e07b00bd10d77a06d68841b20675680b

SHA256
7a23c6e7ccd8811ecdf038d3a89d5c7d68ed37324bae2d4954125d9128fa9432

SHA512
09b609ee1061205aa45b3c954efc6c1a03c8fd6b3011ff88cf2c060e19b1d7fd51ee0cb9d02a39310125f3a66aa0146261bdee3d804f472034df711bc942e316

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
603KB

MD5
a5303ba65263077cd9157d40121b5556

SHA1
aa65c9abf06c7617ef84747231d2e59972d9b4cd

SHA256
968e0497a668fdbd63716fb347d9e40e048c389e8c09611fb28774ab286b6305

SHA512
15c8c5c7250f6f451edf1f22ce20151e473cd7f0dfd0f103e52c877284999582b0cf9388d1de3843a79c381c68cd08c59d0813914268a8f674a4197a07fcd2d7

Download Submit
memory/64-54-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/956-34-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/956-62-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/956-59-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/956-40-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/956-33-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/956-35-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-38-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-64-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-63-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-39-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-37-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-32-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-0-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/4684-18-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/4684-5-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-2-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-1-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-6-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-21-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-20-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4684-19-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download