Analysis
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max time kernel
93s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09/07/2024, 15:11
Static task
static1
Behavioral task
behavioral1
Sample
152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
Resource
win10v2004-20240704-en
General
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Target
152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
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Size
3.5MB
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MD5
72541dff5041b2d243e0502ecb452ef1
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SHA1
8afb4d29dee980bedefb058453ed11e1c151f938
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SHA256
152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685
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SHA512
f4877723eb06c98b0ede4868331cc0a64a09e7c02cebad044f3b6e5d1e741d45393ee7d1937fa031e26c463dc1370037ecb0bbe3eb42fd7dda8868c844bfd7d0
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SSDEEP
49152:KOb699GhOeeYrHhxNg0Dobuh9CYW/jgFdfUH8SIP1wJ5+BPtk6S:q9vYrdnw8SIKJYBP
Malware Config
Extracted
nanocore
1.2.2.0
arkseven7002.ddns.net:7727
10a66da6-234d-4e15-acda-574830a08fca
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activate_away_mode
true
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backup_connection_host
arkseven7002.ddns.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-04-18T01:03:25.467183836Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
false
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clear_zone_identifier
true
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connect_delay
4000
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connection_port
7727
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default_group
BLESSED BOTS
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
10a66da6-234d-4e15-acda-574830a08fca
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
arkseven7002.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4348-35-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4348-37-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4348-38-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4348-40-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
Nirsoft 4 IoCs
resource yara_rule behavioral2/memory/4348-35-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4348-37-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4348-38-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4348-40-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe" AddInProcess32.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3044 set thread context of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 1060 set thread context of 4348 1060 AddInProcess32.exe 91 PID 1060 set thread context of 4776 1060 AddInProcess32.exe 92 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DDP Host\ddphost.exe AddInProcess32.exe File opened for modification C:\Program Files (x86)\DDP Host\ddphost.exe AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1060 AddInProcess32.exe 1060 AddInProcess32.exe 1060 AddInProcess32.exe 1060 AddInProcess32.exe 1060 AddInProcess32.exe 1060 AddInProcess32.exe 4776 vbc.exe 4776 vbc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1060 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1060 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 3044 wrote to memory of 1060 3044 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe 86 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4348 1060 AddInProcess32.exe 91 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92 PID 1060 wrote to memory of 4776 1060 AddInProcess32.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe"C:\Users\Admin\AppData\Local\Temp\152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060 -
\??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe"c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\zqtpodmu.5cn"3⤵
- Accesses Microsoft Outlook accounts
PID:4348
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\??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe"c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\0txrmxiq.0um"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD502524418240369b25b988e9884cd1c54
SHA142a33322d952edf6d8431d4cd788bbc863d2b890
SHA25680b2a0874c2f734dfe1196d7ae2a7bc6ccb30df2d9281513ac33edc529a71a37
SHA5127c5bbe911f7f0b072d6fdb89ea5759655c2b5cf9ebfddff8f2f67f956141b8ed3697ab0504f60c3992849afbbc79434043a6c04d7cf6ddd958e23354fd3a698f
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Filesize
523B
MD569b2a2e17e78d24abee9f1de2f04811a
SHA1d19c109704e83876ab3527457f9418a7d053aa33
SHA2561b1491f21e64681f8fdc27b2265e2274fb7813eecb6ad8b446d2e431f6300edd
SHA512eb7269979bc4187520636fe3d7b3089f2c7c02e81c4ce2a738ade680f72c61c67fe9577eeaa09d3ca93f34b60be8c434d2cfbfed6566e783f6611279f056150f