Analysis
-
max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 17:49
Behavioral task
behavioral1
Sample
l.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
l.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
l1.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
l1.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
l2.exe
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
l2.exe
Resource
win10v2004-20240426-en
General
-
Target
l2.exe
-
Size
145KB
-
MD5
76b23dd72a883d8b1302bb4a514b7967
-
SHA1
338e19e8a3615c29d8a825ebba66cf55fa0caa2c
-
SHA256
311edf744c2e90d7bfc550c893478f43d1d7977694d5dcecf219795f3eb99b86
-
SHA512
39d98f914ec9d8551a894306163bc726f035f9228f3f198de78555988cea5a7b423be8c2a19913c76b996220a81a9b3a257b7f0af67913aa8a50b77321b17735
-
SSDEEP
1536:azICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDtCYU0GsvgtwjECrozUYj3PeAU2:pqJogYkcSNm9V7DtCCGsg+AmYylQhTT
Malware Config
Signatures
-
Renames multiple (357) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-268080393-3149932598-1824759070-1000\desktop.ini l2.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-268080393-3149932598-1824759070-1000\desktop.ini l2.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FihqnBxYm\DefaultIcon l2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FihqnBxYm l2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FihqnBxYm\DefaultIcon\ = "C:\\ProgramData\\FihqnBxYm.ico" l2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.FihqnBxYm l2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.FihqnBxYm\ = "FihqnBxYm" l2.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe 1744 l2.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeDebugPrivilege 1744 l2.exe Token: 36 1744 l2.exe Token: SeImpersonatePrivilege 1744 l2.exe Token: SeIncBasePriorityPrivilege 1744 l2.exe Token: SeIncreaseQuotaPrivilege 1744 l2.exe Token: 33 1744 l2.exe Token: SeManageVolumePrivilege 1744 l2.exe Token: SeProfSingleProcessPrivilege 1744 l2.exe Token: SeRestorePrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSystemProfilePrivilege 1744 l2.exe Token: SeTakeOwnershipPrivilege 1744 l2.exe Token: SeShutdownPrivilege 1744 l2.exe Token: SeDebugPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeBackupPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe Token: SeSecurityPrivilege 1744 l2.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\l2.exe"C:\Users\Admin\AppData\Local\Temp\l2.exe"1⤵
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:1232
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD56934c6414569579e3051877f493534d1
SHA1d597105100c1abe14108e3184cb5a5c1b8907999
SHA25617c9d4cf65af94494aae3641178483c458af6f062f2e85f192feed14c19cdd81
SHA512cb2314e40ea9ba13684f8b7aa6d79864251e218eff8c917e59c57c7893d3c602f22147356bd93943712dad76dd7fb0640ce24ed2781e536c5ec1ae681910b28e
-
Filesize
129B
MD5eca35a01bd4ddc294622afb17fcf7718
SHA1cab8ed961921db0acc7085f866f20937d58104ca
SHA2564dfc8896cc94825f280776a7b533b0c6423fe414e1c41b5120c5f92a2a94f656
SHA5127ab401e705ce5f06cc638d42450a0064670272d6b2c5dbe267b63b417d8c4448d9d27282f44637f7878d3233da9a6f6c2ab908a7beee824dfcbd6511006456e7