Analysis
-
max time kernel
134s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
08-07-2024 09:13
Static task
static1
Behavioral task
behavioral1
Sample
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe
Resource
win7-20240705-en
General
-
Target
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe
-
Size
906KB
-
MD5
2bc77f66378cf099b87fcfdc26e80ec6
-
SHA1
e48de2116d9c931aa2051ad81e57af6ec5cfedde
-
SHA256
c8b230237028e5c7ed93e21458237528890732bf60167e37e835d4db4e79f9e4
-
SHA512
e298d23b5bcdb854d942eca1273e8ba1f1d97860b346b0ad5d8b488a405d7de87c6a5da4fefbb00def6bcc7c2146ad3b50327c957124b180f3efe3972f7f7958
-
SSDEEP
24576:kIQrUm0YeCJiiNxg+5OGEK3QP1p2GqiUPb:OULXCkeA+3QGO4
Malware Config
Extracted
nanocore
1.2.2.0
new2021.myq-see.com:2021
185.140.53.138:2021
4e93981f-5ccc-40a6-ab4d-8d13e34d915c
-
activate_away_mode
true
-
backup_connection_host
185.140.53.138
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-10-16T08:01:24.315081336Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
2021
-
default_group
2021
-
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
4e93981f-5ccc-40a6-ab4d-8d13e34d915c
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
new2021.myq-see.com
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-661257284-3186977026-4220467887-1000\Control Panel\International\Geo\Nation 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription pid process target process PID 4864 set thread context of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription ioc process File created C:\Program Files (x86)\SMTP Subsystem\smtpss.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\SMTP Subsystem\smtpss.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 1140 schtasks.exe 4616 schtasks.exe 916 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exepid process 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exepid process 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe Token: SeDebugPrivilege 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exedescription pid process target process PID 4864 wrote to memory of 4616 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 4864 wrote to memory of 4616 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 4864 wrote to memory of 4616 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 4864 wrote to memory of 2360 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 2360 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 2360 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 412 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 412 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 412 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 2376 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 2376 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 2376 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 4864 wrote to memory of 1900 4864 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe PID 1900 wrote to memory of 916 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 1900 wrote to memory of 916 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 1900 wrote to memory of 916 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 1900 wrote to memory of 1140 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 1900 wrote to memory of 1140 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe PID 1900 wrote to memory of 1140 1900 2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hCwBlullNXkFm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF2D.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
C:\Users\Admin\AppData\Local\Temp\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe"{path}"2⤵
-
C:\Users\Admin\AppData\Local\Temp\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe"{path}"2⤵
-
C:\Users\Admin\AppData\Local\Temp\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe"{path}"2⤵
-
C:\Users\Admin\AppData\Local\Temp\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe"{path}"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
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF5B5.tmp"3⤵
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF691.tmp"3⤵
- Scheduled Task/Job: Scheduled Task
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4432,i,4226873509039249198,15952596839998010243,262144 --variations-seed-version --mojo-platform-channel-handle=4584 /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2bc77f66378cf099b87fcfdc26e80ec6_JaffaCakes118.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
C:\Users\Admin\AppData\Local\Temp\tmpEF2D.tmpFilesize
1KB
MD5d81afd39df5fa65dfa0a34b8c50c1fe8
SHA1e2b18b94c249040cb8213d3925278413e2d6c081
SHA256de4a399493df85317225085b02c21bd5c33f589e4036eb3aa69cf673e6c4b2c0
SHA5123d299c7b1b5252baf963422cdc314d862d207681ee8886cd9f4f1dcd427c5a96dd5e27b587036e9f9eed89bb95b09e03f4497aa90586eb08a45b498846422afb
-
C:\Users\Admin\AppData\Local\Temp\tmpF5B5.tmpFilesize
1KB
MD5fbc65d39ca3504f5e3038eab4619a55e
SHA15fc3077235483cafe9dd293aea7238bf241d5288
SHA25680dcb492a804034b7159e538dfc6e984af84ded8725c5e585ae688346f5e45c1
SHA51235b476713f15240d58fd9551c3c410ffbd0672e34e668bb538a2db84c89385d55086c3ab728220ab00ac542ae2e84aebdb11bb04b6b136b1f7a8fc76873039d3
-
C:\Users\Admin\AppData\Local\Temp\tmpF691.tmpFilesize
1KB
MD50339b45ef206f4becc88be0d65e24b9e
SHA16503a1851f4ccd8c80a31f96bd7ae40d962c9fad
SHA2563d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83
SHA512c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551
-
memory/1900-14-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1900-18-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/1900-31-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/1900-30-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/1900-29-0x0000000006620000-0x000000000662A000-memory.dmpFilesize
40KB
-
memory/1900-28-0x00000000064F0000-0x000000000650E000-memory.dmpFilesize
120KB
-
memory/1900-27-0x00000000059F0000-0x00000000059FA000-memory.dmpFilesize
40KB
-
memory/1900-19-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/4864-3-0x00000000052F0000-0x0000000005382000-memory.dmpFilesize
584KB
-
memory/4864-5-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/4864-17-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/4864-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmpFilesize
4KB
-
memory/4864-4-0x0000000005230000-0x000000000523A000-memory.dmpFilesize
40KB
-
memory/4864-2-0x00000000058A0000-0x0000000005E44000-memory.dmpFilesize
5.6MB
-
memory/4864-1-0x0000000000790000-0x0000000000878000-memory.dmpFilesize
928KB
-
memory/4864-10-0x0000000006A70000-0x0000000006AF4000-memory.dmpFilesize
528KB
-
memory/4864-9-0x0000000074F90000-0x0000000075740000-memory.dmpFilesize
7.7MB
-
memory/4864-8-0x0000000074F9E000-0x0000000074F9F000-memory.dmpFilesize
4KB
-
memory/4864-7-0x00000000069D0000-0x0000000006A6C000-memory.dmpFilesize
624KB
-
memory/4864-6-0x00000000053C0000-0x00000000053CA000-memory.dmpFilesize
40KB