Analysis
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max time kernel
191s -
max time network
197s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 00:02
Static task
static1
Behavioral task
behavioral1
Sample
e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
Resource
win7-20221111-en
General
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Target
e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
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Size
421KB
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MD5
e74663b410d589c107c77cbe2395128d
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SHA1
b7b571018d6d50538f90c68ca7659016da7439e1
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SHA256
e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9
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SHA512
1f256306360e131f66798611cfce6dc1aacf27dba41a52d98037e6808bf37704de4cfbde0f80e5dabb6bb0ae62ab7328a8df464e399e84c721faa3bfcf11a7ab
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SSDEEP
12288:H04l/u4swYTNbep+sF+L52dv5MawHzL/2PUuW2:HlG4sFbep+QJWzz6
Malware Config
Extracted
nanocore
1.2.2.0
funnypic.dyndns-remote.com:1800
4d611919-aaa1-49fe-b6b4-f424a25bdd6e
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2015-02-17T17:57:48.460023936Z
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bypass_user_account_control
true
- 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
1800
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default_group
Startupnanno
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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
4d611919-aaa1-49fe-b6b4-f424a25bdd6e
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
funnypic.dyndns-remote.com
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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\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe" e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 576 set thread context of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\ISS Manager\issmgr.exe e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe File created C:\Program Files (x86)\ISS Manager\issmgr.exe e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 668 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 668 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 668 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe Token: SeDebugPrivilege 668 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28 PID 576 wrote to memory of 668 576 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe"C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:576 -
C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe"C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.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
PID:668
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