Analysis
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max time kernel
147s -
max time network
195s -
platform
windows7_x64 -
resource
win7-20220414-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL-#AWB130501923096PDF.exedescription pid process target process PID 316 set thread context of 852 316 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 2 IoCs
Processes:
MSBuild.exepid process 852 MSBuild.exe 852 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 852 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 852 MSBuild.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
DHL-#AWB130501923096PDF.exedescription pid process target process PID 316 wrote to memory of 1732 316 DHL-#AWB130501923096PDF.exe schtasks.exe PID 316 wrote to memory of 1732 316 DHL-#AWB130501923096PDF.exe schtasks.exe PID 316 wrote to memory of 1732 316 DHL-#AWB130501923096PDF.exe schtasks.exe PID 316 wrote to memory of 1732 316 DHL-#AWB130501923096PDF.exe schtasks.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 DHL-#AWB130501923096PDF.exe MSBuild.exe PID 316 wrote to memory of 852 316 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⤵
- 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\tmpA017.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\tmpA017.tmpFilesize
1KB
MD52aae350f83f5160776a02cd5e6ffe261
SHA1701c1ec0ae7e37a9c0a9dfdbd12cab7dfcfd5329
SHA256c01d84e97f2113db7c91b09d98c7da2a936e8944b383ddd12c29be3cf88d450a
SHA512afdd1fe3f26abbd5c386ba201e3bc530c22bbb26494f1a38f672958a44d555dc686c7091dbacf4ff1fbdf7305de123224ff0e691ffdcafca90a7a38edd77ee92
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memory/316-55-0x0000000074860000-0x0000000074E0B000-memory.dmpFilesize
5.7MB
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memory/316-54-0x0000000076171000-0x0000000076173000-memory.dmpFilesize
8KB
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memory/852-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-58-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-59-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-62-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-65-0x000000000041E792-mapping.dmp
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memory/852-67-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-69-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/852-71-0x00000000742B0000-0x000000007485B000-memory.dmpFilesize
5.7MB
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memory/852-72-0x0000000000A86000-0x0000000000A97000-memory.dmpFilesize
68KB
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memory/1732-56-0x0000000000000000-mapping.dmp