Analysis
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max time kernel
60s -
max time network
55s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
20-09-2024 19:45
General
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Target
b7b573a5f6607dc3860aa12079e28e991a649396ecdc7ab7048f08ce45c92fbf.exe
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Size
239KB
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MD5
801703cab4bc085aec4abda3595f4d40
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SHA1
7d9db01a7825971de68c64d9cc45e46ba10c85e4
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SHA256
b7b573a5f6607dc3860aa12079e28e991a649396ecdc7ab7048f08ce45c92fbf
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SHA512
0be1c562dbc2ba930f56341c3f1f6f7db1f0029735cc79719fdbea84cb1afda15f62c49829a96113b0d099320b593de02d022afb0cc6d1cf782333909aaba8a3
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SSDEEP
3072:hsXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwR1l9B4hTu:GR5IuMQoseGk7RZBGxAycKpSPX2pUE
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 2 IoCs
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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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Adds Run key to start application 2 TTPs 3 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Delays execution with timeout.exe 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\b7b573a5f6607dc3860aa12079e28e991a649396ecdc7ab7048f08ce45c92fbf.exe"C:\Users\Admin\AppData\Local\Temp\b7b573a5f6607dc3860aa12079e28e991a649396ecdc7ab7048f08ce45c92fbf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\CertEnroll32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\CertEnroll32.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\CertEnroll32.exe\" arguments" /sc MINUTE /mo 13⤵
- Scheduled Task/Job: Scheduled Task
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\??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe"c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\CertEnroll32.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\b7b573a5f6607dc3860aa12079e28e991a649396ecdc7ab7048f08ce45c92fbf.exe" && del "C:\Users\Admin\AppData\Local\Temp\b7b573a5f6607dc3860aa12079e28e991a649396ecdc7ab7048f08ce45c92fbf.exe.config"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\CertEnroll32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\CertEnroll32.exe arguments1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
239KB
MD583eeb6d129bebc28c5495c697259da34
SHA1429ed46ea65b0b440700301579d67a3acacd5cdf
SHA2562a65f4dfe797a71199530a3abb60da8d2de0ebf5544cf601bb8a5e0822b12882
SHA5122af2086f4c17fac6991b5228b465bb521c19f4c6e35677e3e26c13d8ed3e197c75c270bba453c951905e5161d6ab26634ac8ad4ca618f6da8224a6641465791f
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Filesize
1KB
MD5dd3d04c365984b4ec57a80503f81fddf
SHA1c55fbcb61818e47dac9aae465faff91f0805bd7c
SHA25640a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c
SHA5120dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785
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Filesize
136KB
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Filesize
9.6MB
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Filesize
392KB
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Filesize
136KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
664KB
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Filesize
136KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
408KB
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Filesize
4KB
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Filesize
9.6MB
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Filesize
32KB
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Filesize
624KB
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Filesize
4.8MB
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Filesize
9.6MB