Analysis
- max time kernel
142s - max time network
123s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
07/01/2024, 19:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a2381438830c9dea5950abda8fa2cf4d.exe
Resource
win7-20231215-en
12 signatures
150 seconds
General
- Target a2381438830c9dea5950abda8fa2cf4d.exe
- Size 1.1MB
- Sample240107-x2jpcsdca3
- SHA256 22b38ee022a7e7e2f55626a236607ce1985dcb049980802216eddce095842e25
- MD5 a2381438830c9dea5950abda8fa2cf4d
- SHA1 bb97b90003d7ec0e7598b26ff6723b57a8c7ede8
- SHA512 37aac29d987e59030f47df263fa4dd3d3dfbab0963b134457cb8b38b45c893fa3d7913f0d8b7e167de73a93f951fd5532f013467e972fe50bff06372318ae157
- SSDEEP 24576:FZjyFYRX2KMA9xU2QQ6RAC+UDT3tOSsqW8bSVW5:FEuxca7cRAC+UX3tKqBSc5
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Ardamax main executable 1 IoCs
resource yara_rule behavioral1/files/0x0006000000015c6f-40.dat family_ardamax - Executes dropped EXE 2 IoCs
pid Process 2752 Olly.exe 2548 CJPO.exe - Loads dropped DLL 14 IoCs
pid Process 2760 cmd.exe 2760 cmd.exe 2752 Olly.exe 2752 Olly.exe 2752 Olly.exe 2752 Olly.exe 2548 CJPO.exe 2548 CJPO.exe 2548 CJPO.exe 2760 cmd.exe 268 DllHost.exe 2752 Olly.exe 2548 CJPO.exe 268 DllHost.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\28463 CJPO.exe File created C:\Windows\SysWOW64\28463\CJPO.001 Olly.exe File created C:\Windows\SysWOW64\28463\CJPO.006 Olly.exe File created C:\Windows\SysWOW64\28463\CJPO.007 Olly.exe File created C:\Windows\SysWOW64\28463\CJPO.exe Olly.exe File created C:\Windows\SysWOW64\28463\key.bin Olly.exe File created C:\Windows\SysWOW64\28463\AKV.exe Olly.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 30 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\0\win32\ CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\ProgID CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\ CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\0\win32 CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\FLAGS\ CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\FLAGS\ = "4" CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\TypeLib CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\Version CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\Version\ CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58} CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\InprocServer32 CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\HELPDIR CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\" CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\TypeLib\ CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\TypeLib\ = "{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}" CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\ = "Erikohmoj.Anejidiv.Zibofal class" CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\0\ CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\Version\ = "1.0" CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\0 CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\ = "Groove OutlookUtil Private 1.0 Type Library" CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\HELPDIR\ CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\ CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3} CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\InprocServer32\ CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\ProgID\ CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\ProgID\ = "LDAPNamespace" CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0 CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\0\win32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\GROOVE.EXE\\17" CJPO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C67F217-8D5E-F641-C1C6-534E6F62C0D3}\1.0\FLAGS CJPO.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CB964463-B286-4AE6-9385-3FB35AA23C58}\InprocServer32\ = "%SystemRoot%\\SysWow64\\adsldp.dll" CJPO.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeRestorePrivilege 2028 a2381438830c9dea5950abda8fa2cf4d.exe Token: SeBackupPrivilege 2028 a2381438830c9dea5950abda8fa2cf4d.exe Token: 33 2548 CJPO.exe Token: SeIncBasePriorityPrivilege 2548 CJPO.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 268 DllHost.exe 268 DllHost.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2548 CJPO.exe 2548 CJPO.exe 2548 CJPO.exe 2548 CJPO.exe 2548 CJPO.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2028 wrote to memory of 2760 2028 a2381438830c9dea5950abda8fa2cf4d.exe 28 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2760 wrote to memory of 2752 2760 cmd.exe 30 PID 2752 wrote to memory of 2548 2752 Olly.exe 31 PID 2752 wrote to memory of 2548 2752 Olly.exe 31 PID 2752 wrote to memory of 2548 2752 Olly.exe 31 PID 2752 wrote to memory of 2548 2752 Olly.exe 31 PID 2752 wrote to memory of 2548 2752 Olly.exe 31 PID 2752 wrote to memory of 2548 2752 Olly.exe 31 PID 2752 wrote to memory of 2548 2752 Olly.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\a2381438830c9dea5950abda8fa2cf4d.exe"C:\Users\Admin\AppData\Local\Temp\a2381438830c9dea5950abda8fa2cf4d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Arquivos de programas\jk.bat" "2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Arquivos de programas\Olly.exeOlly.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\SysWOW64\28463\CJPO.exe"C:\Windows\system32\28463\CJPO.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2548
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
PID:268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Arquivos de programas\4.jpeg
- Size 172KB
- SHA256 5e6e70d3d38ef9307f402cbc8f9c16e10c6e170a568d29e8804d933f4d29193f
- MD5 c0351960ce0aa29da4f918149d3cfe3f
- SHA1 74a4e1babf879f0d2fb731d77ef114e4b058e4ab
- SHA512 46da503e98b560c3d89789fee24248df2b5e8d7a1c4f5846752d5d59e8972b8ff43160c22addb27578959354c3898a9c57609342b01082aefaf1bcef2b72af74
- SSDEEP 3072:zkver6MNDnjYdVyJJ4HDFSI9qUvqVddaZQ1cHCGcAtzB61J2nV8m7H+++P7w:hZnjdJ4HxSsPoddaZ5HCF8MLiZH+++c
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Arquivos de programas\jk.bat
- Size 28B
- SHA256 357424002bbaea2ca847158c4b42bc90860013a04c2178f729f55f626b7a58cb
- MD5 fb2ad654057a9889563decebd169baf6
- SHA1 eb0eef6aad39e529bc4742bcad615f8f7980e657
- SHA512 6512fe8c0ff2b32d6aa571ae9350603f35ccaa7283f3c6a843e47320ff191de7b8c5755a5ea71562aacc596e65f4d6c023a7540af6d54b981a0379993008e265
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\1.JPG
- Size 125KB
- SHA256 b4236ddd0e86537d15455f5ce484831b2769c40abe8179ae1d3c92a60844a8df
- MD5 37716e966bbf128f2841a8f7e9f8bba7
- SHA1 9cf1abfb1ac3ad3abaef63d60491e3d76e30d1df
- SHA512 7ed560de9d813294e3ed72dbaefe445af29e2550446afad088b36cb0876bb356eb897dea1d860efaca582adc039a24841e8e44af83657cf9fdfdf6961aa9b70f
- SSDEEP 3072:FgXHNYq2mkX5UdlXdCh6NnPoFJpj28IIijDOo+++VfW:FKHb2mkmd5dCh6hoFJk8Iuo+++I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\28463\AKV.exe
- Size 457KB
- SHA256 02b8379b1838ea70f7f17e0785aaaedb7c721d9b6e262577723bba9492748d0c
- MD5 828586f5f9fd7e6bd99401fe7cece954
- SHA1 8eb70f4af2cec3c3dd3ec1491913369e99b7b874
- SHA512 16b64be59cf9ae403fb3b7e1fc8da98cb2a5db84aef0e352910172796ecf96dcf86a7e16afe78fa7e22b7b6948e8a1fa027da7161d5a0ad98e76175d764ed6a7
- SSDEEP 6144:glgwmKd9EEU8Gk9gPD2XlL5YctZx65KSpNceZ/TyGLTz/GVfC1HK:XJEUpkWPD2XlFYct2ouNceNTLC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\28463\CJPO.001
- Size 298B
- SHA256 5c34c5d27a2e44ad9398d1f30988701300687a9c4d4d9adb97866e1a3456423e
- MD5 d945741b753dc8c65bc3e23811a7de74
- SHA1 43b5a06ec39bea29a21e89da8ec8f555ca59f5af
- SHA512 410bc2dd4394c9a07572ecb065a2ec189d505e23890328ef5301bb20381bc3e100393da05b6909f0b3e9f54b96df5b1413f4a5d74ec06d2b7c8d1870a6f4c479
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\28463\CJPO.006
- Size 8KB
- SHA256 984da5476c2c69a779bc99d0901569347cc605a36499e2284706cda3ed6e13f3
- MD5 69db8c925f2dd8136d956a086ed1ee41
- SHA1 9d0f653cc7ab881eb45fe93490a9c096f2dec6cf
- SHA512 fa5cedd539dca3631511488aea8bcb7821db1d53452c1b61ee663cb5700bb9919b092593a7f5eb7a3c3a75f801b2980f817de4a66bf8aa51093ced4b30ffd068
- SSDEEP 192:DVdg5cxPjOhoZHOiX+/yWDpQzWXmM1DOcQ68OIy:o5cpOhSuK+/ynMmQfQhO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\28463\CJPO.007
- Size 5KB
- SHA256 94f6502a4e94de0301ae07befd63767a4de35d9b2d2d00687a3130e883ab1963
- MD5 9e9da4c851850726c789bb4b94a41bb3
- SHA1 1e2fd71f1d1a3ac15d3c820d8459635cd775cf24
- SHA512 4c60e951056c5773d769a9c88245fc4a597949deb72a1a7546991488e85ffc4ff2a34840ad227595bcdc105cf187207721b57c457ac832ee0159dd0e1d9be063
- SSDEEP 48:6RsQzi+o80EE/KD4XJQK5Gaayko1vmiXdjAECihnm8mMWqlo0P:6Rx/DMWaavoFRNsECi9mbqlo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\28463\key.bin
- Size 106B
- SHA256 fc42ab050ffdfed8c8c7aac6d7e4a7cad4696218433f7ca327bcfdf9f318ac98
- MD5 639d75ab6799987dff4f0cf79fa70c76
- SHA1 be2678476d07f78bb81e8813c9ee2bfff7cc7efb
- SHA512 4b511d0330d7204af948ce7b15615d745e8d4ea0a73bbece4e00fb23ba2635dd99e4fa54a76236d6f74bdbcdba57d32fd4c36b608d52628e72d11d5ed6f8cde2
- MD5 SHA1 SHA512
- Path \Arquivos de programas\Olly.exe
- Size 896KB
- SHA256 d56f1f993340b9cf299273eddd4aa5270fbb4cc8422d870d470b45b63bc4a431
- MD5 a4123ae48cffd1eeb6881cdcb3edae9d
- SHA1 b368043362d7ccd4065e4ef78639bfd9ac3f7905
- SHA512 b22fca4e1cebd02197892ad84f3d2bef0c4802d779ef3bbd3a0ac4d4177814c8936ed3a8b7150ed281a036bb16f7a3e28ce384d698b4821207252ac155bf85bd
- SSDEEP 24576:SFJEL991DvhoKD+2RtpvxBH7oCLABjkiRDh:XrLNRxxpL43
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\@7D4B.tmp
- Size 4KB
- SHA256 4c9cca81f2f2d91b636c0ec747e96821749788368c48981bf04accfeb5c2e5d0
- MD5 ccf39f70a662f70e7cae4cfc81255c44
- SHA1 00177d41252c2a5322be8e54567a845217072e2c
- SHA512 2cc006d3bd6af737f31707b457caaa267ee1361cfd0afab0be8b74be8587d02b20909962d138e137fe79252e0d112bd3be091a98ba50863520b5bbf21bb9501d
- MD5 SHA1 SHA512
- Path \Windows\SysWOW64\28463\CJPO.exe
- Size 648KB
- SHA256 0ca27dfe22971bfb19c7f3d6fe03cd398816a88fc50943ba9821fa6b91be7807
- MD5 c5ca2c96edc99cf9edf0f861d784209a
- SHA1 6cb654b3eb20c85224a4849c4cc30012cabbdbaa
- SHA512 aeb36bbbf68c7b733ddd856f8f0cdd9548ff597843a22611757c98f69a589035410fecfa692bb83c740823ddae6432d3be5cb66f4309a9d0f5fedeb7b017ff36
- SSDEEP 12288:rzS0sq3PvAeaN99CE0iIE/uPq6xGJOpqeRypiI3no+dA:rzp4R999/V0GkpgpvnvS
- MD5 SHA1 SHA512 SSDEEP