Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
10-05-2024 03:33
Static task
static1
Behavioral task
behavioral1
Sample
d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe
Resource
win10v2004-20240508-en
General
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Target
d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe
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Size
426KB
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MD5
a1b78be46fc7c6f022ae78c81393d401
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SHA1
349a453f73b70da9138197f2bf029613f2bf47d3
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SHA256
d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213
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SHA512
7041ec4786212417b082f634ca785400a28a22165896078727567340d5dd0edcccfa54172e8d4dc2e39a5e95f5dda49d28c6ed76999c0c33348af697384c7330
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SSDEEP
12288:BgwD2w6IRnN6SJWGiT1IpRrfW3WOvduhmxcLX/M9Uu+B7cbN:J2V1ymxcEUuj
Malware Config
Signatures
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Detects executables (downlaoders) containing URLs to raw contents of a paste 3 IoCs
resource yara_rule behavioral1/memory/1696-11-0x0000000000400000-0x000000000045A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RawPaste_URL behavioral1/memory/1696-19-0x0000000000400000-0x000000000045A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RawPaste_URL behavioral1/memory/1696-28-0x0000000000400000-0x000000000045A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RawPaste_URL -
Detects executables referencing many IR and analysis tools 3 IoCs
resource yara_rule behavioral1/memory/1696-11-0x0000000000400000-0x000000000045A000-memory.dmp INDICATOR_SUSPICIOUS_References_SecTools behavioral1/memory/1696-19-0x0000000000400000-0x000000000045A000-memory.dmp INDICATOR_SUSPICIOUS_References_SecTools behavioral1/memory/1696-28-0x0000000000400000-0x000000000045A000-memory.dmp INDICATOR_SUSPICIOUS_References_SecTools -
Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
pid Process 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Executes dropped EXE 1 IoCs
pid Process 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Loads dropped DLL 1 IoCs
pid Process 1736 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\trkcore = "C:\\ProgramData\\Microsoft\\Roaming\\svchost.exe" d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 11 pastebin.com 13 pastebin.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2668 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1736 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe Token: SeShutdownPrivilege 2668 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
pid Process 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe 2668 explorer.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 1696 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1736 wrote to memory of 1696 1736 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 28 PID 1736 wrote to memory of 1696 1736 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 28 PID 1736 wrote to memory of 1696 1736 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 28 PID 1736 wrote to memory of 1696 1736 d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe 28 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe -
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\d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe"C:\Users\Admin\AppData\Local\Temp\d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Local\Temp\d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exeC:\Users\Admin\AppData\Local\Temp\d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- System policy modification
PID:1696
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:2792
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2668
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\d82922135a671af6a69455ca22bae5a9da66e03f86aae14595a6824e3aa20213.exe
Filesize426KB
MD5b13c62bcf44c4fb904b4206b50709a49
SHA12c2383cadf724e44ea0e25b1aacb8c4f4d861dfa
SHA256794f104ad42cae754e66360a57bbdc1201d5ea5ec166c4382625576c84cd41de
SHA512e9b12bb077e2d3c40af1bf14ffeba32a01dce6069e603e6a1f00b1df884b8cca2d42005c8804f47d0e4773f437f1cf6496f104f50ba440d074b22c271721dd1a