Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2023 22:21
Static task
static1
Behavioral task
behavioral1
Sample
Halkbank,pdf.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Halkbank,pdf.exe
Resource
win10v2004-20230915-en
General
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Target
Halkbank,pdf.exe
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Size
791KB
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MD5
3e1e8f6ddfe357c6ae9d073f79138291
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SHA1
f232e9369b47d1b2a107b5b2b6c08a593b9f3ac6
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SHA256
63c825619e3cff8843b7ef1d81b493fa1addc20c548ac98010acc6afd254351a
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SHA512
5c24be4471bb05a2e9a700a705b6a94075610f339ee525f4c9b18b3f9a1ecff9c7dcd06c8021aae13b3ebb666ef3cd8378e28a34a734e6437e75655b0ace6a57
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SSDEEP
12288:KK2mhAMJ/cPlcWOQlaVxmL9PdLkVxEKvz9bM8h7UH16kyc3HS4Mr2TWA/pw8XfU7:72O/GlcWOkWmL7du7AMkycLZpNpixjX9
Malware Config
Extracted
pony
http://co36686.twsite.de/chisom/gate.php
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation Halkbank,pdf.exe Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation RegSvcs.exe -
Executes dropped EXE 3 IoCs
pid Process 1308 qfe.exe 3012 qfe.exe 2200 RegSvcs.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegSvcs.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\gxu\\qfe.exe C:\\Users\\Admin\\AppData\\Roaming\\gxu\\nhb.lgr" qfe.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3012 set thread context of 2200 3012 qfe.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1308 qfe.exe 1308 qfe.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeImpersonatePrivilege 2200 RegSvcs.exe Token: SeTcbPrivilege 2200 RegSvcs.exe Token: SeChangeNotifyPrivilege 2200 RegSvcs.exe Token: SeCreateTokenPrivilege 2200 RegSvcs.exe Token: SeBackupPrivilege 2200 RegSvcs.exe Token: SeRestorePrivilege 2200 RegSvcs.exe Token: SeIncreaseQuotaPrivilege 2200 RegSvcs.exe Token: SeAssignPrimaryTokenPrivilege 2200 RegSvcs.exe Token: SeImpersonatePrivilege 2200 RegSvcs.exe Token: SeTcbPrivilege 2200 RegSvcs.exe Token: SeChangeNotifyPrivilege 2200 RegSvcs.exe Token: SeCreateTokenPrivilege 2200 RegSvcs.exe Token: SeBackupPrivilege 2200 RegSvcs.exe Token: SeRestorePrivilege 2200 RegSvcs.exe Token: SeIncreaseQuotaPrivilege 2200 RegSvcs.exe Token: SeAssignPrimaryTokenPrivilege 2200 RegSvcs.exe Token: SeImpersonatePrivilege 2200 RegSvcs.exe Token: SeTcbPrivilege 2200 RegSvcs.exe Token: SeChangeNotifyPrivilege 2200 RegSvcs.exe Token: SeCreateTokenPrivilege 2200 RegSvcs.exe Token: SeBackupPrivilege 2200 RegSvcs.exe Token: SeRestorePrivilege 2200 RegSvcs.exe Token: SeIncreaseQuotaPrivilege 2200 RegSvcs.exe Token: SeAssignPrimaryTokenPrivilege 2200 RegSvcs.exe Token: SeImpersonatePrivilege 2200 RegSvcs.exe Token: SeTcbPrivilege 2200 RegSvcs.exe Token: SeChangeNotifyPrivilege 2200 RegSvcs.exe Token: SeCreateTokenPrivilege 2200 RegSvcs.exe Token: SeBackupPrivilege 2200 RegSvcs.exe Token: SeRestorePrivilege 2200 RegSvcs.exe Token: SeIncreaseQuotaPrivilege 2200 RegSvcs.exe Token: SeAssignPrimaryTokenPrivilege 2200 RegSvcs.exe Token: SeImpersonatePrivilege 2200 RegSvcs.exe Token: SeTcbPrivilege 2200 RegSvcs.exe Token: SeChangeNotifyPrivilege 2200 RegSvcs.exe Token: SeCreateTokenPrivilege 2200 RegSvcs.exe Token: SeBackupPrivilege 2200 RegSvcs.exe Token: SeRestorePrivilege 2200 RegSvcs.exe Token: SeIncreaseQuotaPrivilege 2200 RegSvcs.exe Token: SeAssignPrimaryTokenPrivilege 2200 RegSvcs.exe Token: SeImpersonatePrivilege 2200 RegSvcs.exe Token: SeTcbPrivilege 2200 RegSvcs.exe Token: SeChangeNotifyPrivilege 2200 RegSvcs.exe Token: SeCreateTokenPrivilege 2200 RegSvcs.exe Token: SeBackupPrivilege 2200 RegSvcs.exe Token: SeRestorePrivilege 2200 RegSvcs.exe Token: SeIncreaseQuotaPrivilege 2200 RegSvcs.exe Token: SeAssignPrimaryTokenPrivilege 2200 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3024 wrote to memory of 1308 3024 Halkbank,pdf.exe 86 PID 3024 wrote to memory of 1308 3024 Halkbank,pdf.exe 86 PID 3024 wrote to memory of 1308 3024 Halkbank,pdf.exe 86 PID 1308 wrote to memory of 3012 1308 qfe.exe 88 PID 1308 wrote to memory of 3012 1308 qfe.exe 88 PID 1308 wrote to memory of 3012 1308 qfe.exe 88 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 3012 wrote to memory of 2200 3012 qfe.exe 95 PID 2200 wrote to memory of 3444 2200 RegSvcs.exe 100 PID 2200 wrote to memory of 3444 2200 RegSvcs.exe 100 PID 2200 wrote to memory of 3444 2200 RegSvcs.exe 100 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Roaming\gxu\qfe.exe"C:\Users\Admin\AppData\Roaming\gxu\qfe.exe" nhb.lgr2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Users\Admin\AppData\Roaming\gxu\qfe.exeC:\Users\Admin\AppData\Roaming\gxu\qfe.exe C:\Users\Admin\AppData\Roaming\gxu\IGREQ3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:2200 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240628781.bat" "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe" "5⤵PID:3444
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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Filesize
33KB
MD59a2d1dae23c1074d4f56a598462e0942
SHA18a7bd9e421c676000571bf7f1155825d43d7469d
SHA2568efa30ce5069f173b32b625665708ee9a2857d2816576f04701e53484a877e56
SHA51239bbec7f4ae1e804437fea50cd8168b2574a6032e152e45d17eea65dfa4b4c795e7a9034af11523315a6b8e9f2f471162147be48873fc315137914170fffdc0e
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Filesize
33KB
MD59a2d1dae23c1074d4f56a598462e0942
SHA18a7bd9e421c676000571bf7f1155825d43d7469d
SHA2568efa30ce5069f173b32b625665708ee9a2857d2816576f04701e53484a877e56
SHA51239bbec7f4ae1e804437fea50cd8168b2574a6032e152e45d17eea65dfa4b4c795e7a9034af11523315a6b8e9f2f471162147be48873fc315137914170fffdc0e
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Filesize
90KB
MD50f0519df4fa77ec4970bc71d3e4d8e63
SHA16e4ed0bf6210613f37e3d6a31a45ffb22bd81e04
SHA2566bf187956e114dd431268834d13dd39585d5771160124617864dcad6840c23d5
SHA5124a30b14eb5ca1e4e8c9ce43231d3167c8bc66807c4c696ee2d8459143256e9be7383e9d169d492686b536e2734353c1615eeeb60cf2c653384e2428fd087eee9
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Filesize
400KB
MD5ee6e4ed60d5919a910ba3d661f548447
SHA1e064bf0ba05a2fc2ee945cb3344f9593eaec8d68
SHA2562c6ea6b2e2b7657bd6161fbbc9723f7e143aebf03c23946aafd85f421fecaf39
SHA5124f5b2df6b4899e832b043908afff62ec283c14e30f065829ff3a2690d3f9baa66e759e73488eb8d733228ec6d123127726bca1c6b6f5558ec7ef7784064c542c
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Filesize
1KB
MD57fca07e04882ef4b440ac5d485941bcb
SHA150c899e1943fc927b0ec56233ef4dd756338414d
SHA25674b1bbe4bc2e091a04d00c07a89d9e02dfa1f8f01da089b633a431a0a52a56b7
SHA512f226c939f89f2d4eb7ab49adf088fe59a8c64ce3d73dcb54cef15db660c5cf1f3b7a8d56f6b1643bbdf7347f61adb1286888e939096257f48815d9b6ac69e9d2
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Filesize
396KB
MD59ac76b89f4eb78d9b85c79f8fe1b01c3
SHA197d07bdeee56489e181e18e7df295ee71543155f
SHA25622a9b29740da718acf162cfdb8b143f6faad7ae41aa10ba1bd180886316e2163
SHA5124490a9c1312fa7a2f58427a06183c28dc82ba38d987d4d98d26638816ab374e9ac2652321a466b4c5fc0804f5447828547b79cfc74ecf90eab075e4f74c9c330
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Filesize
732KB
MD571d8f6d5dc35517275bc38ebcc815f9f
SHA1cae4e8c730de5a01d30aabeb3e5cb2136090ed8d
SHA256fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
SHA5124826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59
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Filesize
732KB
MD571d8f6d5dc35517275bc38ebcc815f9f
SHA1cae4e8c730de5a01d30aabeb3e5cb2136090ed8d
SHA256fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
SHA5124826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59
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Filesize
732KB
MD571d8f6d5dc35517275bc38ebcc815f9f
SHA1cae4e8c730de5a01d30aabeb3e5cb2136090ed8d
SHA256fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
SHA5124826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59
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Filesize
732KB
MD571d8f6d5dc35517275bc38ebcc815f9f
SHA1cae4e8c730de5a01d30aabeb3e5cb2136090ed8d
SHA256fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
SHA5124826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59