Analysis
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max time kernel
99s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
10-09-2022 13:18
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
General
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Target
tmp.exe
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Size
1.1MB
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MD5
3d457167f86043799d614d329e920d52
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SHA1
4d0e4f23e72eb86d13a916f38f4b2ad32eee6e8d
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SHA256
2fa20b91c8210ffe9a8f44e26514ae4363d8ae1ec7a638c8e2ce9559be246b4b
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SHA512
3677083a41dcf195d5d8872e19784c166b7c927e4874097f4d0de548d21b2fef5206f55f57f99ad4909e7ddd5f1af7cf605c9f6594532eaaa73aa5f65ea1df05
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SSDEEP
12288:/kNjmFjxPqh0FzF+gHoaOO1REdHPPrhWIGAsxp2/K/jxxRuBbGkDU8qg5Bg2cj:/kxm1Bw0xAg0O1KxcLAXmbRTkDPQ
Malware Config
Extracted
nanocore
1.2.2.0
tzitziklishop.ddns.net:1665
1353b0ad-2499-432f-9b11-0b34111cc177
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activate_away_mode
true
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backup_connection_host
tzitziklishop.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
2022-06-10T06:52:34.128947636Z
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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
1665
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default_group
August
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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
1353b0ad-2499-432f-9b11-0b34111cc177
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
tzitziklishop.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
tmp.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe" tmp.exe -
Processes:
tmp.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA tmp.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp.exedescription pid process target process PID 1584 set thread context of 900 1584 tmp.exe tmp.exe -
Drops file in Program Files directory 2 IoCs
Processes:
tmp.exedescription ioc process File created C:\Program Files (x86)\UDP Service\udpsv.exe tmp.exe File opened for modification C:\Program Files (x86)\UDP Service\udpsv.exe tmp.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
tmp.exepid process 900 tmp.exe 900 tmp.exe 900 tmp.exe 900 tmp.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
tmp.exepid process 900 tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tmp.exedescription pid process Token: SeDebugPrivilege 900 tmp.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
tmp.exetmp.exedescription pid process target process PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 1584 wrote to memory of 900 1584 tmp.exe tmp.exe PID 900 wrote to memory of 2028 900 tmp.exe schtasks.exe PID 900 wrote to memory of 2028 900 tmp.exe schtasks.exe PID 900 wrote to memory of 2028 900 tmp.exe schtasks.exe PID 900 wrote to memory of 2028 900 tmp.exe schtasks.exe PID 900 wrote to memory of 636 900 tmp.exe schtasks.exe PID 900 wrote to memory of 636 900 tmp.exe schtasks.exe PID 900 wrote to memory of 636 900 tmp.exe schtasks.exe PID 900 wrote to memory of 636 900 tmp.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"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
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp196B.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B5F.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp196B.tmpFilesize
1KB
MD53f4dcafa44c36f23e4db2b2315fd09da
SHA18c83089d6f6c887a77af9b42ca09969f3b2f83f6
SHA256b8475eb97200b8a15eaf07e0a2cddc5c95e5bc3e7a98685364c9796480de57dc
SHA512e0624dd6cf0d5e014e96a323d2f7ebe13b683af71bd6ddafa3005cdc2f3c764cfca509262d442fc844b4b390d241ccf3eb36d30043d3d6f6e955a2ee9f792678
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C:\Users\Admin\AppData\Local\Temp\tmp1B5F.tmpFilesize
1KB
MD50a24db62cb5b84309c4803346caaa25d
SHA167660778f61bb44168c33ed3fe56ed86cf9583e8
SHA25638d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df
SHA512d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548
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memory/636-75-0x0000000000000000-mapping.dmp
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memory/900-63-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-84-0x0000000000B80000-0x0000000000B8C000-memory.dmpFilesize
48KB
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memory/900-77-0x00000000009F0000-0x00000000009FA000-memory.dmpFilesize
40KB
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memory/900-60-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-90-0x00000000047A0000-0x00000000047CE000-memory.dmpFilesize
184KB
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memory/900-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-66-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-67-0x000000000041E792-mapping.dmp
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memory/900-69-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-71-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/900-89-0x00000000021C0000-0x00000000021CE000-memory.dmpFilesize
56KB
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memory/900-88-0x0000000000C80000-0x0000000000C94000-memory.dmpFilesize
80KB
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memory/900-87-0x0000000000C70000-0x0000000000C80000-memory.dmpFilesize
64KB
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memory/900-91-0x0000000002220000-0x0000000002234000-memory.dmpFilesize
80KB
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memory/900-86-0x0000000000C60000-0x0000000000C74000-memory.dmpFilesize
80KB
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memory/900-78-0x0000000000A00000-0x0000000000A1E000-memory.dmpFilesize
120KB
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memory/900-79-0x0000000000A60000-0x0000000000A6A000-memory.dmpFilesize
40KB
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memory/900-80-0x0000000000AD0000-0x0000000000AE2000-memory.dmpFilesize
72KB
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memory/900-81-0x0000000000AE0000-0x0000000000AFA000-memory.dmpFilesize
104KB
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memory/900-82-0x0000000000B50000-0x0000000000B5E000-memory.dmpFilesize
56KB
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memory/900-83-0x0000000000B70000-0x0000000000B82000-memory.dmpFilesize
72KB
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memory/900-85-0x0000000000C50000-0x0000000000C5E000-memory.dmpFilesize
56KB
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memory/1584-58-0x00000000060A0000-0x000000000614A000-memory.dmpFilesize
680KB
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memory/1584-59-0x0000000004CC0000-0x0000000004D10000-memory.dmpFilesize
320KB
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memory/1584-56-0x00000000005E0000-0x00000000005FA000-memory.dmpFilesize
104KB
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memory/1584-57-0x0000000000A60000-0x0000000000A6C000-memory.dmpFilesize
48KB
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memory/1584-54-0x0000000000C90000-0x0000000000DB4000-memory.dmpFilesize
1.1MB
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memory/1584-55-0x0000000074BB1000-0x0000000074BB3000-memory.dmpFilesize
8KB
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memory/2028-73-0x0000000000000000-mapping.dmp