Analysis
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max time kernel
121s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system -
submitted
04/12/2023, 06:55
Static task
static1
Behavioral task
behavioral1
Sample
cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
Resource
win7-20231025-en
General
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Target
cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
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Size
780KB
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MD5
cc0f6af0ea57fc9cb9698c534fbbe1b2
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SHA1
4fd4acb6716bfb889f685045d00662fb3d46be78
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SHA256
6e4a05f7b769a8cb12f932281af71be353b058d68a3f96bd00a38b63e78bae70
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SHA512
eaf6132501ad4e9e213606afcc164c4dd8dca4a9a685d2411e23ff4b51ea1a4eddded73d2c953b633d1e92bd052789b6a41daae19a2654fa556392fa5904e4e3
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SSDEEP
12288:FW8tW8G34/uK45+po2op+9icdMJG0Bi3SQuFBASUFFJR92DGMAvWrQnTIRy8OJ/k:e34/up+pJzl50ySXASKCyTwecRy83
Malware Config
Extracted
nanocore
1.2.2.0
btldinc7.sytes.net:4510
127.0.0.1:4510
8dca47d1-e2ac-4cf4-9dae-489155036caa
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-09-14T23:25:11.588272936Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
4510
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default_group
btld
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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
8dca47d1-e2ac-4cf4-9dae-489155036caa
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
btldinc7.sytes.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Subsystem = "C:\\Program Files (x86)\\AGP Subsystem\\agpss.exe" cc0f6af0ea57fc9cb9698c534fbbe1b2.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cc0f6af0ea57fc9cb9698c534fbbe1b2.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3064 set thread context of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\AGP Subsystem\agpss.exe cc0f6af0ea57fc9cb9698c534fbbe1b2.exe File created C:\Program Files (x86)\AGP Subsystem\agpss.exe cc0f6af0ea57fc9cb9698c534fbbe1b2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2640 schtasks.exe 628 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 3064 wrote to memory of 1940 3064 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 28 PID 1940 wrote to memory of 2640 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 29 PID 1940 wrote to memory of 2640 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 29 PID 1940 wrote to memory of 2640 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 29 PID 1940 wrote to memory of 2640 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 29 PID 1940 wrote to memory of 628 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 31 PID 1940 wrote to memory of 628 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 31 PID 1940 wrote to memory of 628 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 31 PID 1940 wrote to memory of 628 1940 cc0f6af0ea57fc9cb9698c534fbbe1b2.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "AGP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp934A.tmp"3⤵
- Creates scheduled task(s)
PID:2640
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "AGP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp94A2.tmp"3⤵
- Creates scheduled task(s)
PID:628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5fc7fbae2a7339f292629b47f7c191d91
SHA12572887548578a060a5eff284dac4e22db06f1d2
SHA25627ad5fb53e16fc402a004b5b5ee6bd52a4acd38ef1f783c774e5bb8b182e429b
SHA5128b67a94d58a006f58ec3274498fec1a3ea689890369ea47794163bb2d7f16bea7bbd7a1c83f01bf523b239c9153e64a7b857263d8c1e09c2618d6e49c7bf77e4
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Filesize
1KB
MD58aefdc623880016d77594b1802f74db6
SHA117608aaab6106247dec66a472516d023272c9b9b
SHA256ccd9d374a356e8635fe06015e07c986fb0e6f71099234ddc2935a6cb5e1571ac
SHA512bde73cc8244dcb054ff68b86df14ae644b0816aac8524e746e9bf0e68406c6d7e8ee6a0c642b11a9b197319b023c43fcbdc5eafe9c32e4011ad8065cea0b1eb5