Analysis
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max time kernel
91s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2022 13:13
Static task
static1
Behavioral task
behavioral1
Sample
L7R2ARlG55CWmzK.exe
Resource
win7-20220812-en
General
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Target
L7R2ARlG55CWmzK.exe
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Size
680KB
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MD5
551435788514a164a546496ca618003d
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SHA1
04cbb0838a4150748bfe64e1c1d95ddf555fdcca
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SHA256
d96270f6bb0efd49003e83412063f8d86b98fa72093d37a3d5c641350d77b85a
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SHA512
a980e94aaff1d98177cc8bad5deb26c8433604b962a02b315c789bb6bbb0d4ae2fa052014778e88e2549082ba9568f4c9ed070054fcc6bb3d6962f030b70bd00
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SSDEEP
12288:D8lh7Vqy2Q7JEP3gDgJWvi3yA8yZvHRffDEpfsAIHnK:FxQu3gDoWoO4ZEpfsAkn
Malware Config
Extracted
nanocore
1.2.2.0
194.5.98.156:12094
b5a74077-32bc-418d-b7a6-6ac93b76f33f
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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
2022-08-06T22:41:35.918511336Z
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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
12094
-
default_group
UCHE FILE
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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
b5a74077-32bc-418d-b7a6-6ac93b76f33f
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
194.5.98.156
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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
-
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:
L7R2ARlG55CWmzK.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe" L7R2ARlG55CWmzK.exe -
Processes:
L7R2ARlG55CWmzK.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA L7R2ARlG55CWmzK.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
L7R2ARlG55CWmzK.exedescription pid process target process PID 4296 set thread context of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe -
Drops file in Program Files directory 2 IoCs
Processes:
L7R2ARlG55CWmzK.exedescription ioc process File created C:\Program Files (x86)\DDP Host\ddphost.exe L7R2ARlG55CWmzK.exe File opened for modification C:\Program Files (x86)\DDP Host\ddphost.exe L7R2ARlG55CWmzK.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2340 schtasks.exe 1120 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
L7R2ARlG55CWmzK.exepid process 1348 L7R2ARlG55CWmzK.exe 1348 L7R2ARlG55CWmzK.exe 1348 L7R2ARlG55CWmzK.exe 1348 L7R2ARlG55CWmzK.exe 1348 L7R2ARlG55CWmzK.exe 1348 L7R2ARlG55CWmzK.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
L7R2ARlG55CWmzK.exepid process 1348 L7R2ARlG55CWmzK.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
L7R2ARlG55CWmzK.exedescription pid process Token: SeDebugPrivilege 1348 L7R2ARlG55CWmzK.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
L7R2ARlG55CWmzK.exeL7R2ARlG55CWmzK.exedescription pid process target process PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 4296 wrote to memory of 1348 4296 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe PID 1348 wrote to memory of 2340 1348 L7R2ARlG55CWmzK.exe schtasks.exe PID 1348 wrote to memory of 2340 1348 L7R2ARlG55CWmzK.exe schtasks.exe PID 1348 wrote to memory of 2340 1348 L7R2ARlG55CWmzK.exe schtasks.exe PID 1348 wrote to memory of 1120 1348 L7R2ARlG55CWmzK.exe schtasks.exe PID 1348 wrote to memory of 1120 1348 L7R2ARlG55CWmzK.exe schtasks.exe PID 1348 wrote to memory of 1120 1348 L7R2ARlG55CWmzK.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.exe"C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.exe"C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.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
PID:1348 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1760.tmp"3⤵
- Creates scheduled task(s)
PID:2340 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp17DE.tmp"3⤵
- Creates scheduled task(s)
PID:1120
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp1760.tmpFilesize
1KB
MD5e6b735194d79372f3433c21dccb325ab
SHA12529a7629ce46818af5745c7c890ebe925521097
SHA256482b3152cd9042e3d52b340a90a5c70e6a1f69bb5b10107e38ae0b0031c524df
SHA512b651d65218427209de7ab77f3bb2eabee7d0d61b8bcb5a1a783966b2aac208d0c9dcd8fea42cb249807060e2c20cbb2a226469867736256b10de4d22e0d364a7
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C:\Users\Admin\AppData\Local\Temp\tmp17DE.tmpFilesize
1KB
MD52271642ca970891700e3f48439739ed8
SHA1cd472df2349f7db9e1e460d0ee28acd97b8a8793
SHA2567aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68
SHA5124669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807
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memory/1120-141-0x0000000000000000-mapping.dmp
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memory/1348-135-0x0000000000000000-mapping.dmp
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memory/1348-136-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1348-137-0x0000000005A30000-0x0000000005FD4000-memory.dmpFilesize
5.6MB
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memory/1348-138-0x0000000002DA0000-0x0000000002DAA000-memory.dmpFilesize
40KB
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memory/1348-143-0x0000000006890000-0x00000000068F6000-memory.dmpFilesize
408KB
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memory/2340-139-0x0000000000000000-mapping.dmp
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memory/4296-132-0x0000000000C90000-0x0000000000D40000-memory.dmpFilesize
704KB
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memory/4296-133-0x0000000005880000-0x0000000005912000-memory.dmpFilesize
584KB
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memory/4296-134-0x0000000006010000-0x00000000060AC000-memory.dmpFilesize
624KB