General
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Target
RNSM00349.7z
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Size
3.2MB
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Sample
241110-s6x1bszcpm
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MD5
ce578a409b49e9870972305ceb6dd82e
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SHA1
8586e31e8289148c3bae3f11c342fe76a59eefd0
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SHA256
22e288606f23126b617631adc3fc32a6cda176ab79b71f8b922a76afd283a931
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SHA512
110b872a9280bc093fe64e6b799c16982f91cf80eaf44670d26f55dde091dbad8397f48b78d72c3c3c58c2c9784826c7bc19b7a50bf7fcca6d25ab3029554dba
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SSDEEP
98304:P8Vo6nO7LpfAKLRPQDLvpm3gXpr62wF8u:EOPZRMLvpz5Wsu
Static task
static1
Behavioral task
behavioral1
Sample
RNSM00349.7z
Resource
win7-20240903-en
Malware Config
Extracted
C:\MSOCache\UEGMLNUIY-DECRYPT.txt
http://gandcrabmfe6mnef.onion/7800bb70bb4c78c5
Extracted
gozi
Extracted
gozi
1000
wetareska.com
bergesoma.com
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exe_type
worker
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server_id
12
Extracted
nanocore
1.2.2.0
lawwena.ddns.net:9874
bfa89e19-b489-4adc-ba9c-0b3f79e0dab8
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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
2018-08-11T22:38:12.268048836Z
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bypass_user_account_control
true
- 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
9874
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default_group
New Logz
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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
bfa89e19-b489-4adc-ba9c-0b3f79e0dab8
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
lawwena.ddns.net
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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
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Targets
-
-
Target
RNSM00349.7z
-
Size
3.2MB
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MD5
ce578a409b49e9870972305ceb6dd82e
-
SHA1
8586e31e8289148c3bae3f11c342fe76a59eefd0
-
SHA256
22e288606f23126b617631adc3fc32a6cda176ab79b71f8b922a76afd283a931
-
SHA512
110b872a9280bc093fe64e6b799c16982f91cf80eaf44670d26f55dde091dbad8397f48b78d72c3c3c58c2c9784826c7bc19b7a50bf7fcca6d25ab3029554dba
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SSDEEP
98304:P8Vo6nO7LpfAKLRPQDLvpm3gXpr62wF8u:EOPZRMLvpz5Wsu
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Dharma family
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Gandcrab family
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Gozi family
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Modifies WinLogon for persistence
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Nanocore family
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Troldesh family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (302) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook accounts
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Enumerates processes with tasklist
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Sets desktop wallpaper using registry
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
5Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1