Analysis
-
max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-06-2024 19:01
Static task
static1
Behavioral task
behavioral1
Sample
b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe
Resource
win7-20240508-en
General
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Target
b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe
-
Size
482KB
-
MD5
b98590b676fde76327a1d35fa71e3b81
-
SHA1
952034dbaf71770ca627ae5035f67edafff76039
-
SHA256
5389ee161d9b71caa3c663af220b8514fe61eb7d07442475deb648455e0d0c6f
-
SHA512
dc44273d193a253a312a389132cda4563d313c2b66f10931af5b923793cb44a2f5710920c2f03fd65aa8a2f38a7009ce6b32e7d9ba6b316345d04f0b6f08cee6
-
SSDEEP
6144:YDwOHsMY7n/VaQseb9pKML7Z6brCLHeXU5lbh9foYWQKD+kI9N:xOiDdaxFMsbOLMUT9V5E+b
Malware Config
Extracted
nanocore
1.2.2.0
mailsiro.casacam.net:9034
joutd.mywire.org:9034
9bb4cb95-db21-4186-b788-e6f8e08d65cd
-
activate_away_mode
false
-
backup_connection_host
joutd.mywire.org
- backup_dns_server
-
buffer_size
65535
-
build_time
2020-01-20T23:01:37.754502236Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
9034
-
default_group
corona2
-
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
9bb4cb95-db21-4186-b788-e6f8e08d65cd
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
mailsiro.casacam.net
- primary_dns_server
-
request_elevation
false
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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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\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe" InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exedescription pid process target process PID 4588 set thread context of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe -
Drops file in Program Files directory 2 IoCs
Processes:
InstallUtil.exedescription ioc process File created C:\Program Files (x86)\LAN Monitor\lanmon.exe InstallUtil.exe File opened for modification C:\Program Files (x86)\LAN Monitor\lanmon.exe InstallUtil.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 5076 schtasks.exe 4952 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exeInstallUtil.exepid process 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe 1576 InstallUtil.exe 1576 InstallUtil.exe 1576 InstallUtil.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
InstallUtil.exepid process 1576 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe Token: SeDebugPrivilege 1576 InstallUtil.exe Token: SeDebugPrivilege 1576 InstallUtil.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exeInstallUtil.exedescription pid process target process PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 4588 wrote to memory of 1576 4588 b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe InstallUtil.exe PID 1576 wrote to memory of 5076 1576 InstallUtil.exe schtasks.exe PID 1576 wrote to memory of 5076 1576 InstallUtil.exe schtasks.exe PID 1576 wrote to memory of 5076 1576 InstallUtil.exe schtasks.exe PID 1576 wrote to memory of 4952 1576 InstallUtil.exe schtasks.exe PID 1576 wrote to memory of 4952 1576 InstallUtil.exe schtasks.exe PID 1576 wrote to memory of 4952 1576 InstallUtil.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b98590b676fde76327a1d35fa71e3b81_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp59C3.tmp"3⤵
- Creates scheduled task(s)
PID:5076 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5A13.tmp"3⤵
- Creates scheduled task(s)
PID:4952
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp59C3.tmpFilesize
1KB
MD5576bbaf398045c3843d452ec83208236
SHA18ed5b2500ae7a40cbfa6e9018a1d1f1e70cb1374
SHA25633c0c2d72fa383e5988ce640febc5ac6a2bd71d4ae660b99e52234952e17467b
SHA512e7cc0ea0b351c6a8618e14f03c00e88ef83e2f169e0b4d66513f580f0a9352fbfe429e57186362b69407150d566bbdadca2f7b574fc748cc140b3249be67f96a
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C:\Users\Admin\AppData\Local\Temp\tmp5A13.tmpFilesize
1KB
MD5ecf141ec69adbb2a5c3dd5c85cd0ec39
SHA10ad224632fa58d103142c05c44a142f3d7208291
SHA25664d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316
SHA5124821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201
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memory/1576-13-0x0000000000520000-0x0000000000558000-memory.dmpFilesize
224KB
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memory/1576-29-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/1576-28-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/1576-27-0x0000000005BC0000-0x0000000005BCA000-memory.dmpFilesize
40KB
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memory/1576-26-0x0000000005070000-0x000000000508E000-memory.dmpFilesize
120KB
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memory/1576-25-0x0000000005060000-0x000000000506A000-memory.dmpFilesize
40KB
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memory/1576-16-0x0000000004B00000-0x0000000004B0A000-memory.dmpFilesize
40KB
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memory/1576-17-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/1576-15-0x0000000004B80000-0x0000000004C1C000-memory.dmpFilesize
624KB
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memory/1576-14-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/4588-5-0x0000000004CC0000-0x0000000004CE2000-memory.dmpFilesize
136KB
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memory/4588-12-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/4588-9-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/4588-8-0x00000000752FE000-0x00000000752FF000-memory.dmpFilesize
4KB
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memory/4588-7-0x0000000005920000-0x0000000005964000-memory.dmpFilesize
272KB
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memory/4588-6-0x00000000752F0000-0x0000000075AA0000-memory.dmpFilesize
7.7MB
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memory/4588-0-0x00000000752FE000-0x00000000752FF000-memory.dmpFilesize
4KB
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memory/4588-4-0x0000000004D60000-0x0000000004DF2000-memory.dmpFilesize
584KB
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memory/4588-3-0x0000000002820000-0x0000000002836000-memory.dmpFilesize
88KB
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memory/4588-2-0x0000000005270000-0x0000000005814000-memory.dmpFilesize
5.6MB
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memory/4588-1-0x00000000002F0000-0x000000000036E000-memory.dmpFilesize
504KB