General
- Target 11052026_1622_Statement of Account for April.bat.zip
- Size 353KB
- Sample260511-tt8fzaev3z
- SHA256 777133b44e3386a9e9ee815d5ef7dd6298881cbca79979768cda41aab5ae79e6
- MD5 eb7f710f11666d3ae94fd0f7f45a3e74
- SHA1 93482ec7d91d53c430251e95b401264b8af8eee1
- SHA512 2d3c781bddeac81d3081fbcb0e0748eea041b0a0052b8b1d24a9b488894442ac3726719befcebfc943d54865fb12227122d16d7133bfc2455a093b403d944bb7
- SSDEEP 6144:eCAxyN3Om6W5O7ZYL+j76Cl/MxDt96tg9Wg79gmRUKoVb4F4ggqED:hpOX7L2CWxmPgpgmM49cD
- TLSH T17674233BC55AAB23320C23A98D4BDDFC5A5DEE5D0C4455496AEF2A7F059DB6A287000C
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Statement of Account for April.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
Statement of Account for April.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
Malware Config
Extracted
-
remcos
-
7.2.5 Pro
-
HRA
-
103.82.193.51:443
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
true
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-6W9SII
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Targets
-
- Target Statement of Account for April.bat
- Size 381KB
- SHA256 0311761bca1187e06281040ec3141356fb1008446adaeaa0b2ed311918bf003f
- MD5 527b885d4995f35626cce5bc24a46a1c
- SHA1 5a4e5dfb9855d2449cf27f724b417233f1597f3d
- SHA512 31e07d13cddc696ccf5bb91f1e90af5ae97a4dc764dd10ac9b00f5b3d4925a80a788a5a7394a1d9996091e00e4b1363a7f53e4a4a12021ec70ec8deac53c4f2c
- SSDEEP 6144:a4t6LsCB7fXyMBDmJ2wYL+jZ6Cl5MxDt36tgbWg7XgmRUaoVb4s4ggqER:akCBLXy8m2WUCEx8Xgbgme/9cR
- TLSH T1448412127EA1C423C1795272CD2AD6F975289DF8EB6E8F0F1F903E6DB8B16524D04349
- MD5 SHA1 SHA512 SSDEEP TLSH
UAC bypass
Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
-
- Target $PLUGINSDIR/System.dll
- Size 11KB
- SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
- MD5 17ed1c86bd67e78ade4712be48a7d2bd
- SHA1 1cc9fe86d6d6030b4dae45ecddce5907991c01a0
- SHA512 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5
- SSDEEP 192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+
- TLSH T1E3325C12135081F3E4918138C86B3A276B6A15029BF98E57DFD39546BE31BE3BD7D603
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Authentication Process
1Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1