Analysis
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max time kernel
189s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2022, 23:24
Static task
static1
Behavioral task
behavioral1
Sample
53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe
Resource
win7-20220812-en
General
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Target
53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe
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Size
1.0MB
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MD5
bc56696bc6cafd86a83b0ab6508ae154
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SHA1
a4a32d81d18c75f8a60101b3beb360f5d6b025ea
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SHA256
53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9
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SHA512
d50fb70b7efa75cb1d11622b54f4099d06bf436c4583a4d7265809139b21dda6752352ac9694a8565a167e11928a783c72769a2e67301ea8a0298aab69c77336
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SSDEEP
24576:wPsR1jOkYgFhGnpQ/qU7s7ix2eI/d0+V0Juimu:wPsjlNFwK/dyi+/dFim
Malware Config
Extracted
nanocore
1.2.2.0
mundodark.crabdance.com:1607
aa3369d9-5059-4951-ab0d-215cbb3ab28b
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2015-03-10T23:59:17.272938636Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1607
-
default_group
NEW
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
aa3369d9-5059-4951-ab0d-215cbb3ab28b
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
mundodark.crabdance.com
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1912 Qvr.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iDHOEaBxpKrUQtGxdAPxuTaNymkkocvJNahiyUfnSjWHpMBTfm = "C:\\Users\\Admin\\AppData\\Roaming\\vbc.exe" 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3416 set thread context of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 -
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.
pid Process 4888 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe Token: SeDebugPrivilege 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe Token: SeDebugPrivilege 1912 Qvr.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 3416 wrote to memory of 2536 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 78 PID 2536 wrote to memory of 4888 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 79 PID 2536 wrote to memory of 4888 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 79 PID 2536 wrote to memory of 4888 2536 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 79 PID 3416 wrote to memory of 1912 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 83 PID 3416 wrote to memory of 1912 3416 53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe"C:\Users\Admin\AppData\Local\Temp\53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Users\Admin\AppData\Local\Temp\53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe"C:\Users\Admin\AppData\Local\Temp\53d501bda1cbea8c870afa3f634e2d5753213e8c632269ef8af3bfb7df7ab5b9.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp77FF.tmp"3⤵
- Creates scheduled task(s)
PID:4888
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-
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C:\Users\Admin\AppData\Roaming\Qvr.exe"C:\Users\Admin\AppData\Roaming\Qvr.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1912
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD575c6b3efe5ea166948c6f98104908616
SHA1592d393f274ef5774003c4dc5c275fc4e7c8a2f3
SHA2563639fc800570e307fc64d7e31225ecef56fd9f1738c7ec4617bfdc17d2cdd7b6
SHA51240f044a3b592d8b004fd701a4a4792d7eff0758b4418161083849b883d6ed3edffa9889b5c7baf88d59c0cc8a0741256ee20ef1b1a2838c93b01e06e75445840
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
631KB
MD5098f0f8b67c1525a8cf1eedda1f653d7
SHA1b4e0276c80ab4afc17946ea6cab4c3177d135ba9
SHA256524d9788c388f7668f0c0d0287d0f06bab24784f57c6a76d19f3a8e94aff4005
SHA512d70f5d7cf98ca392ac7de00170dc50cf6d15d4a21058ba1854f5711163274a143f4e8af0dd62d4041c1e8f3574c0265c4d26a0d569bfb50f1c2510c48bed236c
-
Filesize
631KB
MD5098f0f8b67c1525a8cf1eedda1f653d7
SHA1b4e0276c80ab4afc17946ea6cab4c3177d135ba9
SHA256524d9788c388f7668f0c0d0287d0f06bab24784f57c6a76d19f3a8e94aff4005
SHA512d70f5d7cf98ca392ac7de00170dc50cf6d15d4a21058ba1854f5711163274a143f4e8af0dd62d4041c1e8f3574c0265c4d26a0d569bfb50f1c2510c48bed236c