Analysis
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max time kernel
170s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 02:28
Static task
static1
Behavioral task
behavioral1
Sample
DHL-#AWB130501923096PDF.exe
Resource
win7-20220414-en
General
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Target
DHL-#AWB130501923096PDF.exe
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Size
414KB
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MD5
1a4bf9b4501a87d22ad6bfc7abd91daf
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SHA1
6d9fb911e49b3c97cdb448dbb71513b119484c23
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SHA256
ff29de48c0798fcecbb3113c5d53229c9250b9950a1336c49c1e21434ef20203
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SHA512
cd1fb7ab9de8a2ed9a86fce6f51c62a6c802dd03bc3b4795962c498ad12c5aaafc31946a8745f63855b0592167b7310774f4e368b8b650935fdb62ca0afa8e90
Malware Config
Extracted
nanocore
1.2.2.0
185.165.153.247:5678
grace147.ddns.net:5678
bb5979e4-6524-4144-a4bb-47ead86d7eef
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activate_away_mode
true
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backup_connection_host
grace147.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
2020-03-07T00:51:33.782958036Z
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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
true
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connect_delay
4000
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connection_port
5678
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default_group
GRACE
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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
bb5979e4-6524-4144-a4bb-47ead86d7eef
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
185.165.153.247
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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
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
DHL-#AWB130501923096PDF.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation DHL-#AWB130501923096PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL-#AWB130501923096PDF.exedescription pid process target process PID 3060 set thread context of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
MSBuild.exepid process 3800 MSBuild.exe 3800 MSBuild.exe 3800 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 3800 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 3800 MSBuild.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
DHL-#AWB130501923096PDF.exedescription pid process target process PID 3060 wrote to memory of 2688 3060 DHL-#AWB130501923096PDF.exe schtasks.exe PID 3060 wrote to memory of 2688 3060 DHL-#AWB130501923096PDF.exe schtasks.exe PID 3060 wrote to memory of 2688 3060 DHL-#AWB130501923096PDF.exe schtasks.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 3060 wrote to memory of 3800 3060 DHL-#AWB130501923096PDF.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096PDF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XJcamAcfEc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC161.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC161.tmpFilesize
1KB
MD564f5c1dbea453b8d1decf35016680e6b
SHA104101253b4bb02334270917cb41076bf091837bd
SHA2567b0340c9cac60af7c48b82ce769f99b09fad370c34044bbe67ea7016ba9ebbfd
SHA5127b7c0d21b18b5c1471f05518a864cb2ec4a1b80c265a87ade76cdceee897a3ca2a8c07d2c83f0acd1e95c47b0ab48fe4502907479fe0679cd4e82992a048bc45
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memory/2688-131-0x0000000000000000-mapping.dmp
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memory/3060-130-0x00000000752A0000-0x0000000075851000-memory.dmpFilesize
5.7MB
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memory/3800-133-0x0000000000000000-mapping.dmp
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memory/3800-134-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3800-135-0x00000000752A0000-0x0000000075851000-memory.dmpFilesize
5.7MB