Analysis
- max time kernel
136s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
13/08/2024, 12:30
Behavioral task
behavioral1
Sample
1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe
Resource
win7-20240708-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe
Resource
win10v2004-20240802-en
14 signatures
150 seconds
General
- Target 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe
- Size 1.9MB
- Sample240813-ppntjstcje
- SHA256 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509
- MD5 b0b0b09a9bf3348c6746cae342dff4b6
- SHA1 6add2fe6a76201390ecc2e950203fadeca3f0161
- SHA512 edae9f061474d4979a02374d417d01268bd053a4127586245c13fe9d28bc46b967fd3e4dd6e3e513ce686efa12257951a439086c4252da67cb364b21569f3d03
- SSDEEP 24576:VU+i4hqrt8ZgqiPYV/OIMZ9JeMorwzh+9dhYCOQ1CqKZJzajUN3de/:mrt8Sq3VOFloIs9YjQka2e/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/1360-1-0x0000000000AD0000-0x0000000000CB4000-memory.dmp family_purelog_stealer - Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1360 created 3428 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 55 - Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook InstallUtil.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pwmmxw = "C:\\Users\\Admin\\AppData\\Roaming\\Pwmmxw.exe" 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1360 set thread context of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 452 InstallUtil.exe 452 InstallUtil.exe 452 InstallUtil.exe 452 InstallUtil.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe Token: SeDebugPrivilege 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe Token: SeDebugPrivilege 452 InstallUtil.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 PID 1360 wrote to memory of 452 1360 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe 89 - outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe - outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3428
-
C:\Users\Admin\AppData\Local\Temp\1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe"C:\Users\Admin\AppData\Local\Temp\1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:452
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Hpodfmstuej.tmpdb
- Size 114KB
- SHA256 79f7541d73ed1744fbc041fdeaf95cae2e2a43cf9d73f6d9476b67a5c2ea9695
- MD5 2e5b34ca73bac7d39579ae5af5c50268
- SHA1 910b0865cce750b73e308d0c9314edcdcf4162bb
- SHA512 95dcb404558da6bf1b58640440f3e26b13bf53b8fe05932e85b85dea7e629a544f2bfef094fdd23fd2ad0692297aad338e23c9e6e516e5c852d6d7c1c97249fc
- SSDEEP 192:KZPM23W/l1jXhPE4nP+hoIky6c1qLVumf:I02m/lxhlnmhouH8Vumf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Kgjvifvpun.tmpdb
- Size 124KB
- SHA256 a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab
- MD5 9618e15b04a4ddb39ed6c496575f6f95
- SHA1 1c28f8750e5555776b3c80b187c5d15a443a7412
- SHA512 f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26
- SSDEEP 96:hBWU+bDoYysX0uhnyTpvVjN9DLjGQLBE3u:hBl+bDo3irhnyTpvVj3XBBE3u
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Wvabv.tmpdb
- Size 160KB
- SHA256 e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
- MD5 f310cf1ff562ae14449e0167a3e1fe46
- SHA1 85c58afa9049467031c6c2b17f5c12ca73bb2788
- SHA512 1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
- SSDEEP 96:bBY/uejzH+bF+UIYysX0fxQp97YEHt/DfLcLq2piRk/E0:bBY/tH+bF+UI3iWGVYWNkqp3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Zkevmxhdbav.tmpdb
- Size 116KB
- SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
- MD5 f70aa3fa04f0536280f872ad17973c3d
- SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
- SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84
- SSDEEP 192:CTPNbUJ6IH9xhomnGCTjHbRjCLqtzKWJaWtETVumQ6W:UPWJ6a9xpnQLqtzKWJnsVumQn
- MD5 SHA1 SHA512 SSDEEP