Analysis
-
max time kernel
150s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2024, 01:18
Static task
static1
Behavioral task
behavioral1
Sample
531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe
Resource
win10v2004-20240226-en
General
-
Target
531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe
-
Size
1.0MB
-
MD5
366744603ffec08845dc309908341641
-
SHA1
c79aa9df75843ee1ec55782117542cc511297b9f
-
SHA256
531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696
-
SHA512
948f07ef3abf1201555ac03d775a0daca69eb27e979d19a9b5aced21246d4b13bc10433d1d3de0716e1b180febc594ac4329eeaa2aa2d923fbecbda8c5f259df
-
SSDEEP
24576:+PF6DSSEvVi8ds05OTOfYIOBRaR6URr0GDp6epPEM:+PazuAOfh4RaR6URrNp3
Malware Config
Extracted
Protocol: ftp- Host:
eu-west-1.sftpcloud.io - Port:
21 - Username:
7ca6b8c78c944c7bbcffb6e105194795 - Password:
0Ygw7MnwUGGUk95kfauRAZgEl1zVgfFB
Signatures
-
Detect ZGRat V1 30 IoCs
resource yara_rule behavioral2/memory/3248-46-0x000000004C1B0000-0x000000004C20A000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-48-0x000000004C870000-0x000000004C8C8000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-49-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-50-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-52-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-54-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-56-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-58-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-60-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-62-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-64-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-66-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-69-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-71-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-73-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-75-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-77-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-79-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-81-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-83-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-85-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-90-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-92-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-94-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-96-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-98-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-100-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-102-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-105-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-107-0x000000004C870000-0x000000004C8C3000-memory.dmp family_zgrat_v1 -
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
ModiLoader Second Stage 5 IoCs
resource yara_rule behavioral2/memory/116-2-0x0000000003F60000-0x0000000004F60000-memory.dmp modiloader_stage2 behavioral2/memory/3248-43-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/3248-40-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/3248-45-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/3248-67-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 -
Executes dropped EXE 2 IoCs
pid Process 544 8695336.exe 3248 sdxmkajA.pif -
Loads dropped DLL 1 IoCs
pid Process 544 8695336.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ajakmxds = "C:\\Users\\Public\\Ajakmxds.url" 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 116 set thread context of 3248 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 117 -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 41 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 45 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5104 powershell.exe 5104 powershell.exe 5104 powershell.exe 3248 sdxmkajA.pif 3248 sdxmkajA.pif 3248 sdxmkajA.pif -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 3248 sdxmkajA.pif -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 116 wrote to memory of 2816 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 104 PID 116 wrote to memory of 2816 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 104 PID 116 wrote to memory of 2816 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 104 PID 116 wrote to memory of 884 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 105 PID 116 wrote to memory of 884 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 105 PID 116 wrote to memory of 884 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 105 PID 116 wrote to memory of 856 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 108 PID 116 wrote to memory of 856 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 108 PID 116 wrote to memory of 856 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 108 PID 856 wrote to memory of 544 856 cmd.exe 110 PID 856 wrote to memory of 544 856 cmd.exe 110 PID 544 wrote to memory of 2520 544 8695336.exe 111 PID 544 wrote to memory of 2520 544 8695336.exe 111 PID 4464 wrote to memory of 5104 4464 cmd.exe 115 PID 4464 wrote to memory of 5104 4464 cmd.exe 115 PID 116 wrote to memory of 3732 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 116 PID 116 wrote to memory of 3732 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 116 PID 116 wrote to memory of 3732 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 116 PID 116 wrote to memory of 3248 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 117 PID 116 wrote to memory of 3248 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 117 PID 116 wrote to memory of 3248 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 117 PID 116 wrote to memory of 3248 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 117 PID 116 wrote to memory of 3248 116 531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe 117
Processes
-
C:\Users\Admin\AppData\Local\Temp\531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe"C:\Users\Admin\AppData\Local\Temp\531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\SysWOW64\cmd.execmd /c mkdir "\\?\C:\Windows "2⤵PID:2816
-
-
C:\Windows\SysWOW64\cmd.execmd /c mkdir "\\?\C:\Windows \System32"2⤵PID:884
-
-
C:\Windows\SysWOW64\cmd.execmd /c "C:\Windows \System32\8695336.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows \System32\8695336.exe"C:\Windows \System32\8695336.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""4⤵PID:2520
-
C:\Windows\system32\cmd.execmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"5⤵
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
-
-
-
-
-
-
C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\531f41f23a4d59dc025170f0b2cf0713ac8672a45f20cfeb02ecb34692032696.exe C:\\Users\\Public\\Libraries\\Ajakmxds.PIF2⤵PID:3732
-
-
C:\Users\Public\Libraries\sdxmkajA.pifC:\Users\Public\Libraries\sdxmkajA.pif2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3248
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
-
Filesize
128KB
MD5231ce1e1d7d98b44371ffff407d68b59
SHA125510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA25630951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
SHA512520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
-
Filesize
112KB
MD5fa7aa88417d0c48807144a1a48fe3fbc
SHA16f5ec990b12d4a6075050a94e0d68d03781fa46d
SHA2562019dcd18ba7d5554a4a9da882740aa883941670af3de9396960081a0f8aa098
SHA51299b2eb6f8e7d00a3803cba229149e5e0cb67a3deb607782c55fbacd25d9c074cce83759de15490eff939d5ad98f26cdbd44395cc79ffe22753e16c3d9e3b5fff