Analysis
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max time kernel
120s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/11/2024, 08:26
Static task
static1
Behavioral task
behavioral1
Sample
70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe
Resource
win10v2004-20241007-en
General
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Target
70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe
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Size
225KB
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MD5
744c28c76889701b6d77f530ade27be9
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SHA1
8fc6e595c8c1db35663885e3fb594e826b693be2
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SHA256
70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064
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SHA512
09d59a97726c3d87693f8ee2456f8e5667347c9c028cd62fc06a3818f41ef7fc05a0ff72189bced0c1a918ae648c8aae366ec5b318e868bbc287eccb1a2527a5
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SSDEEP
3072:osXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwRmyHL:JR5IuMQoseGk7RZBGxAycKpSPX2NHL
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\PhoneOm32.exe" PhoneOm32.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" PhoneOm32.exe -
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation PhoneOm32.exe -
Executes dropped EXE 3 IoCs
pid Process 4408 PhoneOm32.exe 1196 PhoneOm32.exe 4036 PhoneOm32.exe -
Reads user/profile data of web browsers 3 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*PhoneOm32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe" 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PhoneOm32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe" 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*QWRtaW4= = "C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\PhoneOm32.exe" PhoneOm32.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 17 pastebin.com 15 pastebin.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4408 set thread context of 3684 4408 PhoneOm32.exe 101 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2040 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2320 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe 4408 PhoneOm32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4408 PhoneOm32.exe Token: SeDebugPrivilege 3684 InstallUtil.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 5044 wrote to memory of 4408 5044 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe 85 PID 5044 wrote to memory of 4408 5044 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe 85 PID 5044 wrote to memory of 3708 5044 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe 86 PID 5044 wrote to memory of 3708 5044 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe 86 PID 5044 wrote to memory of 3956 5044 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe 88 PID 5044 wrote to memory of 3956 5044 70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe 88 PID 3956 wrote to memory of 2040 3956 cmd.exe 90 PID 3956 wrote to memory of 2040 3956 cmd.exe 90 PID 4408 wrote to memory of 2320 4408 PhoneOm32.exe 95 PID 4408 wrote to memory of 2320 4408 PhoneOm32.exe 95 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 PID 4408 wrote to memory of 3684 4408 PhoneOm32.exe 101 -
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\70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe"C:\Users\Admin\AppData\Local\Temp\70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exe"2⤵
- Modifies WinLogon for persistence
- 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
PID:4408 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exe\" arguments" /sc MINUTE /mo 13⤵
- Scheduled Task/Job: Scheduled Task
PID:2320
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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_\PhoneOm32.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵PID:3708
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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\70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe" && del "C:\Users\Admin\AppData\Local\Temp\70c825b4524ea9a24c6dc73c8f5d8e2580ec663e124e767886424c5df6b4b064.exe.config"2⤵
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:2040
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3212
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exe arguments1⤵
- Executes dropped EXE
PID:1196
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\PhoneOm32.exe arguments1⤵
- Executes dropped EXE
PID:4036
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
3Credential 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
595B
MD55446caf843683ea0aab610c729c40ab1
SHA16df96e9c6c90843766b0fde8cec5e3a955291e74
SHA256f7dbd089564c22c13483b867392a7bd1f9b49f8e0b089e2cc7bd7bfbf62c6329
SHA512488e2b8750ff820e3fbdcbb9201abddfc6c8ccc3e7cc29962a05c2313ea862eddbf4e0a49ab6a5029aa4d9c137daf2623f1b34e4dcb896269e6edae8276148ff
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Filesize
225KB
MD5dcece638898e47573d0f735f928c528d
SHA1f032007cb4547870962c32eaf59c880bd5de1d2e
SHA256743f10df48eb0b23191ae94bce753d8f99dcfae6b09baa8c17e4527df0ddd29e
SHA512221448a4ca5fe2c851f110266c3c6c688baa2d0d0164e005e226413e0daeb846ec2fed08e1188aa063a81ca99680d05d5cac1276fca9796b913028800394e277
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Filesize
1KB
MD5dd3d04c365984b4ec57a80503f81fddf
SHA1c55fbcb61818e47dac9aae465faff91f0805bd7c
SHA25640a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c
SHA5120dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785