Analysis
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max time kernel
91s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20-09-2022 17:42
Static task
static1
Behavioral task
behavioral1
Sample
MDB.exe
Resource
win7-20220812-en
General
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Target
MDB.exe
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Size
860KB
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MD5
d84b1332e0fecd92b90b321f1f4a784a
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SHA1
5b6c2a0251ad7a5bbbf51d0ff300f8c29969693a
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SHA256
4f0a3115465d03a83773bec157884cbbf36858924e68115302f540d0ad02ee53
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SHA512
ce0e1e14ca9e6664e3022e40e5f9cafaad7b8deda933223855f619b189121411132864bec7e1a80818d65f62d053ca2f627a8d474c25385aa0f400fc31298444
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SSDEEP
12288:g91R6PxJfTADqjJ5n0U9C1DtGbQkc36b4Bao8pPTtcQMmWmeZA2:gefrjr0U85AbC3RGfcQnd
Malware Config
Extracted
nanocore
1.2.2.0
dera5nano.ddns.net:1010
107.182.129.248:1010
5a26bcef-e67f-486a-8e48-1748cc7891a2
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activate_away_mode
true
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backup_connection_host
107.182.129.248
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-06-06T12:07:01.612898436Z
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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
1010
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default_group
Default
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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
5a26bcef-e67f-486a-8e48-1748cc7891a2
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
dera5nano.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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
MDB.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation MDB.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MDB.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe" MDB.exe -
Processes:
MDB.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA MDB.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
MDB.exedescription pid process target process PID 1800 set thread context of 3140 1800 MDB.exe MDB.exe -
Drops file in Program Files directory 2 IoCs
Processes:
MDB.exedescription ioc process File created C:\Program Files (x86)\DDP Host\ddphost.exe MDB.exe File opened for modification C:\Program Files (x86)\DDP Host\ddphost.exe MDB.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 3340 schtasks.exe 4344 schtasks.exe 2092 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
MDB.exeMDB.exepid process 1800 MDB.exe 1800 MDB.exe 3140 MDB.exe 3140 MDB.exe 3140 MDB.exe 3140 MDB.exe 3140 MDB.exe 3140 MDB.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MDB.exepid process 3140 MDB.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
MDB.exeMDB.exedescription pid process Token: SeDebugPrivilege 1800 MDB.exe Token: SeDebugPrivilege 3140 MDB.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
MDB.exeMDB.exedescription pid process target process PID 1800 wrote to memory of 2092 1800 MDB.exe schtasks.exe PID 1800 wrote to memory of 2092 1800 MDB.exe schtasks.exe PID 1800 wrote to memory of 2092 1800 MDB.exe schtasks.exe PID 1800 wrote to memory of 2896 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 2896 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 2896 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 1800 wrote to memory of 3140 1800 MDB.exe MDB.exe PID 3140 wrote to memory of 3340 3140 MDB.exe schtasks.exe PID 3140 wrote to memory of 3340 3140 MDB.exe schtasks.exe PID 3140 wrote to memory of 3340 3140 MDB.exe schtasks.exe PID 3140 wrote to memory of 4344 3140 MDB.exe schtasks.exe PID 3140 wrote to memory of 4344 3140 MDB.exe schtasks.exe PID 3140 wrote to memory of 4344 3140 MDB.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MDB.exe"C:\Users\Admin\AppData\Local\Temp\MDB.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SATancQW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD323.tmp"2⤵
- Creates scheduled task(s)
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\MDB.exe"{path}"2⤵PID:2896
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C:\Users\Admin\AppData\Local\Temp\MDB.exe"{path}"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:3140 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD779.tmp"3⤵
- Creates scheduled task(s)
PID:3340 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD7D8.tmp"3⤵
- Creates scheduled task(s)
PID:4344
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
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Filesize
1KB
MD55bee1f9e26f50d6ebd04e66fea66fba3
SHA1d6deac724ce99703d084a61ba2f55d9ca6460f88
SHA256eae6658eb752a18301a57862a944fb6decde63688339dcbccbcd5a78edc2f5fe
SHA512d1e7edd84cd4bbef2fa022cca4f09b0dac2a10e3adf20eb6301f64e25b1968b31f15e376f9d74a1273bca6d00bb18856c041d34e7633863df7a8b9d5dedb1e5e
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Filesize
1KB
MD5671c79cd978749f6b39fc08dbff8a77d
SHA1e05b2370ae4ba264f2f7e2cdf75450435b211e20
SHA2562011c9c1d2a4445b7a9fc98d3dfce9f0dd48ce3b8ec1242b96e6fbf7ac65fb5b
SHA51270dfca3506412b2f26e05dae58b86c86d67ee46551313a2066450fef489943e884ae28334f92f79d06a840b3ca240d9f09439347f44ca9ccd8aad7f572cbc53d
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Filesize
1KB
MD52271642ca970891700e3f48439739ed8
SHA1cd472df2349f7db9e1e460d0ee28acd97b8a8793
SHA2567aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68
SHA5124669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807