3c5d4007aabc7835b586d15313645af2e823dfad1d487cad46453dc3474e2693

Analysis

max time kernel
150s
max time network
145s
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, 20:31

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General

Target
84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
Size 521KB
Sample250322-zaqppszvbx
SHA256 84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4
MD5 ad94009dbf24192d8ddb026e6d183702
SHA1 5dc5b6aad743f5573bd3a73208789687f06854a9
SHA512 9a65b2539e03d41fbe7b37c51db0b5520f079c56d16e8f64241ccc812d01387ae2253554fc1a195e85fbad216acc346889d7bfcadb11267869c468e61272889a
SSDEEP 6144:mtT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3r/+:K6u7+487IFjvelQypyfy7/+
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	app.exe

Executes dropped EXE 3 IoCs

pid	Process
2108	app.exe
4920	app.exe
2236	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-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\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-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 5228	2108	app.exe	96
PID 2108 set thread context of 5876	2108	app.exe	97

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	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
4920	app.exe
4920	app.exe
4920	app.exe
4920	app.exe
4920	app.exe
4920	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2236	My.RawFile.exe
2236	My.RawFile.exe
2236	My.RawFile.exe
2236	My.RawFile.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe
2108	app.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
Token: SeDebugPrivilege	2108	app.exe
Token: SeDebugPrivilege	4920	app.exe
Token: SeDebugPrivilege	2236	My.RawFile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2236	My.RawFile.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2108	1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe	92
PID 1272 wrote to memory of 2108	1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe	92
PID 1272 wrote to memory of 2108	1272	84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe	92
PID 2108 wrote to memory of 4920	2108	app.exe	94
PID 2108 wrote to memory of 4920	2108	app.exe	94
PID 2108 wrote to memory of 4920	2108	app.exe	94
PID 2108 wrote to memory of 2236	2108	app.exe	95
PID 2108 wrote to memory of 2236	2108	app.exe	95
PID 2108 wrote to memory of 2236	2108	app.exe	95
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5228	2108	app.exe	96
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5876	2108	app.exe	97
PID 2108 wrote to memory of 5876	2108	app.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\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-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	My.RawFile.exe

C:\Users\Admin\AppData\Local\Temp\84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
"C:\Users\Admin\AppData\Local\Temp\84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.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:1272
- 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:2108
- - 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:4920
- - 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:2236
- - 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:5228
- - 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:5876

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

aspnet_compiler.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\aspnet_compiler.exe.log
Size 20B
SHA256 7a23c6e7ccd8811ecdf038d3a89d5c7d68ed37324bae2d4954125d9128fa9432
MD5 b3ac9d09e3a47d5fd00c37e075a70ecb
SHA1 ad14e6d0e07b00bd10d77a06d68841b20675680b
SHA512 09b609ee1061205aa45b3c954efc6c1a03c8fd6b3011ff88cf2c060e19b1d7fd51ee0cb9d02a39310125f3a66aa0146261bdee3d804f472034df711bc942e316
MD5 SHA1 SHA512

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My.RawFile.exe

Path C:\Users\Admin\AppData\Roaming\My.RawFile.exe
Size 142KB
SHA256 a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7
MD5 5a733ef0de5e31e2e4b4abb016c0f251
SHA1 28644040a6deac35c20fa931b5d003a97293363e
SHA512 9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9
SSDEEP 3072:L4OYPSgVp7HL47S87U5uMkH+jNbMJnvJ/I+H8kCanU4dKE4P:L4rp7HL4W87U5uCAJnrc
MD5 SHA1 SHA512 SSDEEP

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app.exe

Path C:\Users\Admin\AppData\Roaming\app.exe
Size 529KB
SHA256 60026dddc86a9f47edbed0a57dcd613128ca9bd6795dd374bb5a4b31a54d60b5
MD5 d53f80e40abfc788deacd0bee8d5cd92
SHA1 240842a48d9f4d3d3f14f021f4e5043bff46fcd9
SHA512 e0fc142bb64d71015913b06e81528b29b86c4346c2bcf0fcf241c8d352f73eed1694ee45a26cb7933166c76d54b545a2ef13e0605555af4dc203a1dec77a26b2
SSDEEP 6144:atT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3r/47:G6u7+487IFjvelQypyfy7/47
MD5 SHA1 SHA512 SSDEEP

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memory/1272-17-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-4-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-16-0x0000000074B72000-0x0000000074B73000-memory.dmp

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memory/1272-0-0x0000000074B72000-0x0000000074B73000-memory.dmp

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memory/1272-18-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-3-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-29-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-1-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-30-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/1272-2-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/2108-31-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/2108-33-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/2108-60-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/2108-57-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/2108-38-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/2108-32-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/4920-35-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/4920-37-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/4920-36-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/4920-61-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/4920-62-0x0000000074B70000-0x0000000075121000-memory.dmp

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memory/5876-54-0x0000000000400000-0x0000000000410000-memory.dmp

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