Analysis
-
max time kernel
148s -
max time network
155s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 16:22
Static task
static1
Behavioral task
behavioral1
Sample
820869d6bf485c32fd94fde70838b453.exe
Resource
win7v20210408
General
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Target
820869d6bf485c32fd94fde70838b453.exe
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Size
613KB
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MD5
820869d6bf485c32fd94fde70838b453
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SHA1
c387acae1c90dbfe7f5008516adcb510d2504ef0
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SHA256
0971ed841b73f240346a0aac75acc3dd3ef1345420fba81b00b79366a2c8d6ce
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SHA512
2bc46ae8577540cc329d8f08eb1d5db180c1f8aeee9f0bdb2188426f71fda0411be946bde557c0f8b26601cd1b1a7ddd149fd10425912e38ecfed569bd27d394
Malware Config
Extracted
nanocore
1.2.2.0
asweee.jumpingcrab.com:8234
tryweaswweee.ydns.eu:8234
0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d
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activate_away_mode
true
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backup_connection_host
tryweaswweee.ydns.eu
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backup_dns_server
tryweaswweee.ydns.eu
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buffer_size
65535
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build_time
2021-05-02T14:48:34.703881636Z
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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
-
connection_port
8234
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default_group
AUGUST
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enable_debug_mode
true
-
gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d
-
mutex_timeout
5000
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prevent_system_sleep
false
-
primary_connection_host
asweee.jumpingcrab.com
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primary_dns_server
asweee.jumpingcrab.com
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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
true
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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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Processes:
820869d6bf485c32fd94fde70838b453.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 820869d6bf485c32fd94fde70838b453.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
820869d6bf485c32fd94fde70838b453.exedescription pid process target process PID 4048 set thread context of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
820869d6bf485c32fd94fde70838b453.exe820869d6bf485c32fd94fde70838b453.exepid process 4048 820869d6bf485c32fd94fde70838b453.exe 4048 820869d6bf485c32fd94fde70838b453.exe 1560 820869d6bf485c32fd94fde70838b453.exe 1560 820869d6bf485c32fd94fde70838b453.exe 1560 820869d6bf485c32fd94fde70838b453.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
820869d6bf485c32fd94fde70838b453.exepid process 1560 820869d6bf485c32fd94fde70838b453.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
820869d6bf485c32fd94fde70838b453.exe820869d6bf485c32fd94fde70838b453.exedescription pid process Token: SeDebugPrivilege 4048 820869d6bf485c32fd94fde70838b453.exe Token: SeDebugPrivilege 1560 820869d6bf485c32fd94fde70838b453.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
820869d6bf485c32fd94fde70838b453.exe820869d6bf485c32fd94fde70838b453.exedescription pid process target process PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 4048 wrote to memory of 1560 4048 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe PID 1560 wrote to memory of 1420 1560 820869d6bf485c32fd94fde70838b453.exe schtasks.exe PID 1560 wrote to memory of 1420 1560 820869d6bf485c32fd94fde70838b453.exe schtasks.exe PID 1560 wrote to memory of 1420 1560 820869d6bf485c32fd94fde70838b453.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe"C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exeC:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD509.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\820869d6bf485c32fd94fde70838b453.exe.logMD5
9e7845217df4a635ec4341c3d52ed685
SHA1d65cb39d37392975b038ce503a585adadb805da5
SHA256d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b
SHA512307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1
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C:\Users\Admin\AppData\Local\Temp\tmpD509.tmpMD5
dc55b77f3b362375f7ad3378b763ab1a
SHA1f6ea0790af5c6ba497238c2208383682e97f0315
SHA256075e11b7883d64b8a871dbed5c72524a111419f1cfe30f2f4b37c7aa390b5c47
SHA512f4b3acaf2f1014411b85e181cad9d4ef553a00afe7a94e0b7e3d23ae9a9daf8c70e9310839ce66869762a87b0dc0f0324b4683646247dad33666c93a9f5ae0be
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memory/1420-138-0x0000000000000000-mapping.dmp
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memory/1560-139-0x0000000004E30000-0x0000000004EC2000-memory.dmpFilesize
584KB
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memory/1560-129-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1560-143-0x0000000006070000-0x0000000006073000-memory.dmpFilesize
12KB
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memory/1560-142-0x0000000005070000-0x0000000005089000-memory.dmpFilesize
100KB
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memory/1560-141-0x0000000005060000-0x0000000005065000-memory.dmpFilesize
20KB
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memory/1560-136-0x0000000005090000-0x0000000005091000-memory.dmpFilesize
4KB
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memory/1560-130-0x000000000041E792-mapping.dmp
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memory/4048-118-0x00000000050E0000-0x00000000050E1000-memory.dmpFilesize
4KB
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memory/4048-128-0x0000000008A70000-0x0000000008AEC000-memory.dmpFilesize
496KB
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memory/4048-120-0x0000000005090000-0x000000000558E000-memory.dmpFilesize
5.0MB
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memory/4048-123-0x0000000006CD0000-0x0000000006D3B000-memory.dmpFilesize
428KB
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memory/4048-117-0x0000000005130000-0x0000000005131000-memory.dmpFilesize
4KB
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memory/4048-114-0x0000000000810000-0x0000000000811000-memory.dmpFilesize
4KB
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memory/4048-116-0x0000000005590000-0x0000000005591000-memory.dmpFilesize
4KB
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memory/4048-122-0x0000000005090000-0x000000000558E000-memory.dmpFilesize
5.0MB
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memory/4048-121-0x0000000005090000-0x000000000558E000-memory.dmpFilesize
5.0MB
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memory/4048-119-0x0000000005090000-0x000000000558E000-memory.dmpFilesize
5.0MB