General
- Target cm88.exe
- Size 203KB
- Sample260826-mfqwfacg35
- SHA256 fc6b6415b2ec6f1f288da0f55e52cf59ab8ed513d22b73cfbc89d08d8783688c
- MD5 4598c6f1fa0cd8a8a9eec8030d7b1289
- SHA1 d0b4e53ee7f970ef5eb6cd6557a04c8be38bab30
- SHA512 ea3b8759a8075fec8816c9ef78311417a4a1ae935568abb041ca10424aae64544320f28969eff58f7f92678ba4db09d5bea086dfbdd712f52e01b2676f42ea89
- SSDEEP 6144:sLV6Bta6dtJmakIM5Ac0kTgdXi6Wv7zoEA:sLV6Btpmknc1cXNYAJ
- TLSH T19914C01677A84A2FE2DE86B9A12212139378C2E7D8C3F3DE18D415B78F267E546071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
cm88.exe
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral2
Sample
cm88.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
cm88.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral4
Sample
cm88.exe
Resource
win11-20260513-en
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
cm88.host:443
-
fly88gg.cv:443
-
3b0d84a8-72ed-4d9a-8fd5-6c590934233c
-
activate_away_mode
false
-
backup_connection_host
fly88gg.cv
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-06-07T12:06:03.573813336Z
-
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
443
-
default_group
CM88 Fly88
-
enable_debug_mode
false
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
3b0d84a8-72ed-4d9a-8fd5-6c590934233c
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
cm88.host
-
primary_dns_server
8.8.8.8
-
request_elevation
false
-
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
Targets
-
- Target cm88.exe
- Size 203KB
- SHA256 fc6b6415b2ec6f1f288da0f55e52cf59ab8ed513d22b73cfbc89d08d8783688c
- MD5 4598c6f1fa0cd8a8a9eec8030d7b1289
- SHA1 d0b4e53ee7f970ef5eb6cd6557a04c8be38bab30
- SHA512 ea3b8759a8075fec8816c9ef78311417a4a1ae935568abb041ca10424aae64544320f28969eff58f7f92678ba4db09d5bea086dfbdd712f52e01b2676f42ea89
- SSDEEP 6144:sLV6Bta6dtJmakIM5Ac0kTgdXi6Wv7zoEA:sLV6Btpmknc1cXNYAJ
- TLSH T19914C01677A84A2FE2DE86B9A12212139378C2E7D8C3F3DE18D415B78F267E546071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Executes dropped EXE
-
Adds Run key to start application
-
Checks whether UAC is enabled
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1