Analysis
- max time kernel
161s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
08/04/2024, 20:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
82__GT7568.PDF.exe
Resource
win7-20240221-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
82__GT7568.PDF.exe
Resource
win10v2004-20240226-en
19 signatures
150 seconds
General
- Target 82__GT7568.PDF.exe
- Size 1.8MB
- Sample240408-zceefsed8v
- SHA256 d47545c45a81a2d812ff5d4c9510cb935764dd94df0edb0c3c3d80666536d342
- MD5 7c6101c45977804aa98d1d3efae8d426
- SHA1 f66683ec29df562a37d66fe2d23e9777ee391664
- SHA512 ddeb01c47705943d5b976eba66d5abaff9e8c9b65fd7908a2b46efbf44a0355df91b46af88149d2a197df7f27f3c492a21e35fcd88c6eb9373372de17cbf0404
- SSDEEP 24576:6/0d9pDJdlOQ44ce4vpasMmi5N3QBLeAVvu+lsVGinC:6/gD/lDmiNARtVvu+GV9
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detect ZGRat V1 29 IoCs
resource yara_rule behavioral2/memory/4400-62-0x0000000034470000-0x00000000344CA000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-65-0x0000000034B20000-0x0000000034B78000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-68-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-71-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-69-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-75-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-73-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-77-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-79-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-81-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-83-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-85-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-87-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-89-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-91-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-93-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-97-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-101-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-105-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-107-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-103-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-109-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-111-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-99-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-95-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-113-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-115-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-119-0x0000000034B20000-0x0000000034B73000-memory.dmp family_zgrat_v1 behavioral2/memory/4400-117-0x0000000034B20000-0x0000000034B73000-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/260-5-0x0000000002F00000-0x0000000003F00000-memory.dmp modiloader_stage2 behavioral2/memory/4400-55-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/4400-58-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/4400-60-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/4400-61-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 - Executes dropped EXE 2 IoCs
pid Process 4940 easinvoker.exe 4400 bqloupfY.pif - Loads dropped DLL 1 IoCs
pid Process 4940 easinvoker.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yfpuolqb = "C:\\Users\\Public\\Yfpuolqb.url" 82__GT7568.PDF.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 45 api.ipify.org 46 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 260 set thread context of 4400 260 82__GT7568.PDF.exe 115 - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe - Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 13 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2380 powershell.exe 2380 powershell.exe 2380 powershell.exe 4400 bqloupfY.pif 4400 bqloupfY.pif 4400 bqloupfY.pif - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2380 powershell.exe Token: SeDebugPrivilege 4400 bqloupfY.pif - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4400 bqloupfY.pif - Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 260 wrote to memory of 2744 260 82__GT7568.PDF.exe 96 PID 260 wrote to memory of 2744 260 82__GT7568.PDF.exe 96 PID 260 wrote to memory of 2744 260 82__GT7568.PDF.exe 96 PID 2744 wrote to memory of 5008 2744 cmd.exe 98 PID 2744 wrote to memory of 5008 2744 cmd.exe 98 PID 2744 wrote to memory of 5008 2744 cmd.exe 98 PID 2744 wrote to memory of 4684 2744 cmd.exe 99 PID 2744 wrote to memory of 4684 2744 cmd.exe 99 PID 2744 wrote to memory of 4684 2744 cmd.exe 99 PID 2744 wrote to memory of 1624 2744 cmd.exe 101 PID 2744 wrote to memory of 1624 2744 cmd.exe 101 PID 2744 wrote to memory of 1624 2744 cmd.exe 101 PID 2744 wrote to memory of 1844 2744 cmd.exe 102 PID 2744 wrote to memory of 1844 2744 cmd.exe 102 PID 2744 wrote to memory of 1844 2744 cmd.exe 102 PID 2744 wrote to memory of 4056 2744 cmd.exe 104 PID 2744 wrote to memory of 4056 2744 cmd.exe 104 PID 2744 wrote to memory of 4056 2744 cmd.exe 104 PID 2744 wrote to memory of 1636 2744 cmd.exe 105 PID 2744 wrote to memory of 1636 2744 cmd.exe 105 PID 2744 wrote to memory of 1636 2744 cmd.exe 105 PID 2744 wrote to memory of 4940 2744 cmd.exe 106 PID 2744 wrote to memory of 4940 2744 cmd.exe 106 PID 4940 wrote to memory of 4052 4940 easinvoker.exe 107 PID 4940 wrote to memory of 4052 4940 easinvoker.exe 107 PID 4052 wrote to memory of 412 4052 cmd.exe 109 PID 4052 wrote to memory of 412 4052 cmd.exe 109 PID 412 wrote to memory of 2380 412 cmd.exe 110 PID 412 wrote to memory of 2380 412 cmd.exe 110 PID 260 wrote to memory of 620 260 82__GT7568.PDF.exe 114 PID 260 wrote to memory of 620 260 82__GT7568.PDF.exe 114 PID 260 wrote to memory of 620 260 82__GT7568.PDF.exe 114 PID 260 wrote to memory of 4400 260 82__GT7568.PDF.exe 115 PID 260 wrote to memory of 4400 260 82__GT7568.PDF.exe 115 PID 260 wrote to memory of 4400 260 82__GT7568.PDF.exe 115 PID 260 wrote to memory of 4400 260 82__GT7568.PDF.exe 115 PID 260 wrote to memory of 4400 260 82__GT7568.PDF.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\82__GT7568.PDF.exe"C:\Users\Admin\AppData\Local\Temp\82__GT7568.PDF.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:260 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\YfpuolqbO.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:5008
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:4684
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:1624
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C:\Windows\SysWOW64\xcopy.exexcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:1844
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵PID:4056
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
PID:1636
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C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""4⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
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:412 -
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:2380
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\82__GT7568.PDF.exe C:\\Users\\Public\\Libraries\\Yfpuolqb.PIF2⤵PID:620
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C:\Users\Public\Libraries\bqloupfY.pifC:\Users\Public\Libraries\bqloupfY.pif2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4400
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3720 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:81⤵PID:3804
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fn0spih3.1np.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Public\Libraries\YfpuolqbO.bat
- Size 29KB
- SHA256 abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d
- MD5 828ffbf60677999579dafe4bf3919c63
- SHA1 a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc
- SHA512 bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e
- SSDEEP 192:IBOY7cKQ/CyntVZjpubO0bXWQtagxP2+3o5WIGbfJTAy:C
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\aaa.bat
- Size 18KB
- SHA256 cd05094e213643d624996b98e14aa5f7a2363f63530fe0c99523f6948effe756
- MD5 f4e8f0ec6cfc5c6039402322685cb6ce
- SHA1 1037835573c2886dda05d256f15306da89dc645e
- SHA512 c5f9dfbbdb437c8ef9e2dd53fcbafcb256ab4626b4637a21332b3112c20f0d5353674031aae21b57604ba80d3b3f51f11b0ed412ed5fa6641b32fc4793746e02
- SSDEEP 96:XQcy87LZYciMjU0NFA30CLRgFwrBdU6A0yoPQWbv:0sTjA38Gt2Mks
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\bqloupfY.pif
- Size 66KB
- SHA256 7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
- MD5 c116d3604ceafe7057d77ff27552c215
- SHA1 452b14432fb5758b46f2897aeccd89f7c82a727d
- SHA512 9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
- SSDEEP 1536:lR2rJpByeL+39Ua1ITgA8wpuO5CU4GGMGcT4idU:lR2lg9Ua1egkCU60U
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\easinvoker.exe
- Size 128KB
- SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
- MD5 231ce1e1d7d98b44371ffff407d68b59
- SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
- SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
- SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Public\Libraries\netutils.dll
- Size 112KB
- SHA256 7c6b2128913876dcb70603f2c00618d2e9057f381766565baf2a37100b85f1fd
- MD5 30468939b69d5b1f29494fff5b161e6b
- SHA1 3f900a76e5a00efd97c618c8cdaa55e66384618f
- SHA512 f59fc26b77b28bc0dce41f2542c95a0fcb32204cc2d840d7cf8e74e10fbfc238f0c360e3bb5d787f32c83668ad10bbe522e098ede52f178dd8555c7af530f27f
- SSDEEP 1536:/SWOID3z1yOjXtZqmsGyhvI5jduvd9a8yCl7MbiRVRpj5u:/SWZ/LZq3hvUuvd9a8BRpj5u
- MD5 SHA1 SHA512 SSDEEP