Analysis
-
max time kernel
139s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
17-06-2024 01:39
Static task
static1
Behavioral task
behavioral1
Sample
b637c3b199f38672138ee252608e56af_JaffaCakes118.exe
Resource
win7-20240508-en
General
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Target
b637c3b199f38672138ee252608e56af_JaffaCakes118.exe
-
Size
790KB
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MD5
b637c3b199f38672138ee252608e56af
-
SHA1
4a0dc61c4b96d2459bf950251faa990f012c74e6
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SHA256
31de2b0e1dff55d6f2b577c5dfa193b261e77df67141f034ec39ade4b17bfd4e
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SHA512
ba65b2291c60fac64734824399f0767d7c35265e23882fd4f85c7494557312980d2a8721d59c9db04468428262395275cb27c4ca797475880aa8bf71af981225
-
SSDEEP
12288:IcRkG++rZQEXRPGN/5bs7YAWl0TBGo0lzULijGaG1GGGsuGGGGGGGJGGsnNNNNNl:IZGRr1X0N/5A7Ytl0tGr
Malware Config
Extracted
nanocore
1.2.2.0
u852121.nvpn.to:3410
9868442a-9d4e-4c6d-b1ff-3e55d6e4fb6e
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activate_away_mode
true
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backup_connection_host
u852121.nvpn.to
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backup_dns_server
8.8.4.4
-
buffer_size
65535
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build_time
2020-06-21T05:33:15.987650436Z
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bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
3410
-
default_group
AUSSIE-DOC
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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
9868442a-9d4e-4c6d-b1ff-3e55d6e4fb6e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
u852121.nvpn.to
-
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
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
b637c3b199f38672138ee252608e56af_JaffaCakes118.exedescription pid process target process PID 3016 set thread context of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
b637c3b199f38672138ee252608e56af_JaffaCakes118.exeMSBuild.exepid process 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe 2580 MSBuild.exe 2580 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 2580 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b637c3b199f38672138ee252608e56af_JaffaCakes118.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe Token: SeDebugPrivilege 2580 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b637c3b199f38672138ee252608e56af_JaffaCakes118.exedescription pid process target process PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe PID 3016 wrote to memory of 2580 3016 b637c3b199f38672138ee252608e56af_JaffaCakes118.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b637c3b199f38672138ee252608e56af_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b637c3b199f38672138ee252608e56af_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2580
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2580-21-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/2580-26-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/2580-11-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-9-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-25-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/2580-5-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-15-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2580-24-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/2580-17-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-19-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-7-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2580-20-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/3016-0-0x0000000074741000-0x0000000074742000-memory.dmpFilesize
4KB
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memory/3016-22-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/3016-1-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/3016-2-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/3016-4-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/3016-3-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB