Analysis
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max time kernel
148s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-01-2021 15:43
Static task
static1
Behavioral task
behavioral1
Sample
Dintec Order PDF.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Dintec Order PDF.exe
Resource
win10v20201028
General
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Target
Dintec Order PDF.exe
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Size
628KB
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MD5
98e3c2ac1efdd997b05a1fee872630ec
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SHA1
d3ce076af7b45e1f11aac5e3a1c984951c7b92ba
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SHA256
d09ed1437134f7e5c71ee4877e6d030c2750b6e1873fe6afb0f82b988c591b44
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SHA512
f0c9cc82f29d547216672fc78c19caaa23d432c63760433a17c86a4d484a49b879733659cea68ae19feeb1841a803c8bee04cd96064c1cb3ae273e7299be7ea7
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
-
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
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
ffdfcbd2-3989-4236-a47d-b9533fb19ad2
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mutex_timeout
5000
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prevent_system_sleep
true
-
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 2000 a.exe 724 InstallUtil.exe -
Drops startup file 1 IoCs
Processes:
Dintec Order PDF.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a.lnk Dintec Order PDF.exe -
Loads dropped DLL 2 IoCs
Processes:
Dintec Order PDF.exea.exepid process 2028 Dintec Order PDF.exe 2000 a.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\WPA Host = "C:\\Program Files (x86)\\WPA Host\\wpahost.exe" InstallUtil.exe -
Processes:
InstallUtil.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
a.exedescription pid process target process PID 2000 set thread context of 724 2000 a.exe InstallUtil.exe -
Drops file in Program Files directory 2 IoCs
Processes:
InstallUtil.exedescription ioc process File created C:\Program Files (x86)\WPA Host\wpahost.exe InstallUtil.exe File opened for modification C:\Program Files (x86)\WPA Host\wpahost.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
Dintec Order PDF.exea.exeInstallUtil.exepid process 2028 Dintec Order PDF.exe 2028 Dintec Order PDF.exe 2028 Dintec Order PDF.exe 2028 Dintec Order PDF.exe 2028 Dintec Order PDF.exe 2000 a.exe 2000 a.exe 724 InstallUtil.exe 724 InstallUtil.exe 724 InstallUtil.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
InstallUtil.exepid process 724 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Dintec Order PDF.exea.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 2028 Dintec Order PDF.exe Token: SeDebugPrivilege 2000 a.exe Token: SeDebugPrivilege 724 InstallUtil.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Dintec Order PDF.exea.exedescription pid process target process PID 2028 wrote to memory of 2000 2028 Dintec Order PDF.exe a.exe PID 2028 wrote to memory of 2000 2028 Dintec Order PDF.exe a.exe PID 2028 wrote to memory of 2000 2028 Dintec Order PDF.exe a.exe PID 2028 wrote to memory of 2000 2028 Dintec Order PDF.exe a.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe PID 2000 wrote to memory of 724 2000 a.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Dintec Order PDF.exe"C:\Users\Admin\AppData\Local\Temp\Dintec Order PDF.exe"1⤵
- Drops startup file
- Loads dropped DLL
- 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
- Loads dropped DLL
- 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
98e3c2ac1efdd997b05a1fee872630ec
SHA1d3ce076af7b45e1f11aac5e3a1c984951c7b92ba
SHA256d09ed1437134f7e5c71ee4877e6d030c2750b6e1873fe6afb0f82b988c591b44
SHA512f0c9cc82f29d547216672fc78c19caaa23d432c63760433a17c86a4d484a49b879733659cea68ae19feeb1841a803c8bee04cd96064c1cb3ae273e7299be7ea7
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C:\Users\Admin\AppData\Roaming\a.exeMD5
98e3c2ac1efdd997b05a1fee872630ec
SHA1d3ce076af7b45e1f11aac5e3a1c984951c7b92ba
SHA256d09ed1437134f7e5c71ee4877e6d030c2750b6e1873fe6afb0f82b988c591b44
SHA512f0c9cc82f29d547216672fc78c19caaa23d432c63760433a17c86a4d484a49b879733659cea68ae19feeb1841a803c8bee04cd96064c1cb3ae273e7299be7ea7
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Roaming\a.exeMD5
98e3c2ac1efdd997b05a1fee872630ec
SHA1d3ce076af7b45e1f11aac5e3a1c984951c7b92ba
SHA256d09ed1437134f7e5c71ee4877e6d030c2750b6e1873fe6afb0f82b988c591b44
SHA512f0c9cc82f29d547216672fc78c19caaa23d432c63760433a17c86a4d484a49b879733659cea68ae19feeb1841a803c8bee04cd96064c1cb3ae273e7299be7ea7
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memory/724-25-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/724-34-0x00000000004B0000-0x00000000004B3000-memory.dmpFilesize
12KB
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memory/724-33-0x00000000006B0000-0x00000000006C9000-memory.dmpFilesize
100KB
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memory/724-32-0x00000000004A0000-0x00000000004A5000-memory.dmpFilesize
20KB
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memory/724-31-0x0000000004C80000-0x0000000004C81000-memory.dmpFilesize
4KB
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memory/724-29-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/724-28-0x0000000074EE0000-0x00000000755CE000-memory.dmpFilesize
6.9MB
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memory/724-26-0x000000000041E792-mapping.dmp
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memory/2000-15-0x0000000001330000-0x0000000001331000-memory.dmpFilesize
4KB
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memory/2000-22-0x0000000000C70000-0x0000000000C71000-memory.dmpFilesize
4KB
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memory/2000-21-0x0000000000B40000-0x0000000000B4B000-memory.dmpFilesize
44KB
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memory/2000-17-0x00000000012C0000-0x00000000012C1000-memory.dmpFilesize
4KB
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memory/2000-14-0x0000000074EE0000-0x00000000755CE000-memory.dmpFilesize
6.9MB
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memory/2000-11-0x0000000000000000-mapping.dmp
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memory/2028-7-0x0000000000720000-0x000000000073E000-memory.dmpFilesize
120KB
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memory/2028-5-0x0000000001EA0000-0x0000000001EA1000-memory.dmpFilesize
4KB
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memory/2028-3-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/2028-2-0x0000000074EE0000-0x00000000755CE000-memory.dmpFilesize
6.9MB
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memory/2028-8-0x0000000000750000-0x0000000000751000-memory.dmpFilesize
4KB
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memory/2028-9-0x0000000001EA1000-0x0000000001EA2000-memory.dmpFilesize
4KB