Analysis
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max time kernel
141s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
11-01-2021 17:48
Static task
static1
Behavioral task
behavioral1
Sample
New Order 54380 pdf.exe
Resource
win7v20201028
General
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Target
New Order 54380 pdf.exe
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Size
881KB
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MD5
e7192b48a761bbc49da028723e08889c
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SHA1
b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c
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SHA256
db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41
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SHA512
842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049
Malware Config
Extracted
nanocore
1.2.2.0
mnvh54254.ddns.net:6653
ffdfcbd2-3989-4236-a47d-b9533fb19ad2
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activate_away_mode
true
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backup_connection_host
mnvh54254.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
2020-10-23T12:25:44.065726836Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
false
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clear_zone_identifier
true
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connect_delay
4000
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connection_port
6653
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default_group
AMMAGEDOM001
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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
ffdfcbd2-3989-4236-a47d-b9533fb19ad2
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
mnvh54254.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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Executes dropped EXE 2 IoCs
Processes:
a.exeInstallUtil.exepid process 1268 a.exe 1296 InstallUtil.exe -
Drops startup file 1 IoCs
Processes:
New Order 54380 pdf.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a.lnk New Order 54380 pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
InstallUtil.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe" InstallUtil.exe -
Processes:
InstallUtil.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a.exedescription pid process target process PID 1268 set thread context of 1296 1268 a.exe InstallUtil.exe -
Drops file in Program Files directory 2 IoCs
Processes:
InstallUtil.exedescription ioc process File created C:\Program Files (x86)\SMTP Manager\smtpmgr.exe InstallUtil.exe File opened for modification C:\Program Files (x86)\SMTP Manager\smtpmgr.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
New Order 54380 pdf.exea.exeInstallUtil.exepid process 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 528 New Order 54380 pdf.exe 1268 a.exe 1268 a.exe 1296 InstallUtil.exe 1296 InstallUtil.exe 1296 InstallUtil.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
InstallUtil.exepid process 1296 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
New Order 54380 pdf.exea.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 528 New Order 54380 pdf.exe Token: SeDebugPrivilege 1268 a.exe Token: SeDebugPrivilege 1296 InstallUtil.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
New Order 54380 pdf.exea.exedescription pid process target process PID 528 wrote to memory of 1268 528 New Order 54380 pdf.exe a.exe PID 528 wrote to memory of 1268 528 New Order 54380 pdf.exe a.exe PID 528 wrote to memory of 1268 528 New Order 54380 pdf.exe a.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe PID 1268 wrote to memory of 1296 1268 a.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\New Order 54380 pdf.exe"C:\Users\Admin\AppData\Local\Temp\New Order 54380 pdf.exe"1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\a.exe"C:\Users\Admin\AppData\Roaming\a.exe"2⤵
- Executes dropped EXE
- 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\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- 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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Roaming\a.exeMD5
e7192b48a761bbc49da028723e08889c
SHA1b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c
SHA256db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41
SHA512842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049
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C:\Users\Admin\AppData\Roaming\a.exeMD5
e7192b48a761bbc49da028723e08889c
SHA1b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c
SHA256db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41
SHA512842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049
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memory/528-8-0x0000000008230000-0x0000000008231000-memory.dmpFilesize
4KB
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memory/528-5-0x0000000005850000-0x0000000005851000-memory.dmpFilesize
4KB
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memory/528-7-0x00000000032D0000-0x00000000032D1000-memory.dmpFilesize
4KB
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memory/528-6-0x0000000001940000-0x000000000195E000-memory.dmpFilesize
120KB
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memory/528-3-0x0000000000DD0000-0x0000000000DD1000-memory.dmpFilesize
4KB
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memory/528-2-0x0000000073D50000-0x000000007443E000-memory.dmpFilesize
6.9MB
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memory/1268-9-0x0000000000000000-mapping.dmp
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memory/1268-12-0x0000000073D50000-0x000000007443E000-memory.dmpFilesize
6.9MB
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memory/1268-19-0x0000000008570000-0x000000000857B000-memory.dmpFilesize
44KB
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memory/1268-20-0x000000000C270000-0x000000000C271000-memory.dmpFilesize
4KB
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memory/1296-22-0x000000000041E792-mapping.dmp
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memory/1296-21-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1296-25-0x0000000073D50000-0x000000007443E000-memory.dmpFilesize
6.9MB
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memory/1296-28-0x0000000005620000-0x0000000005621000-memory.dmpFilesize
4KB
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memory/1296-31-0x0000000002C70000-0x0000000002C71000-memory.dmpFilesize
4KB
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memory/1296-32-0x00000000051B0000-0x00000000051B5000-memory.dmpFilesize
20KB
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memory/1296-33-0x00000000055F0000-0x0000000005609000-memory.dmpFilesize
100KB
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memory/1296-34-0x0000000005610000-0x0000000005613000-memory.dmpFilesize
12KB