Analysis
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max time kernel
1795s -
max time network
1165s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
16-03-2024 15:49
General
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Target
52b973c029f230ba1049d1438ff7a960exe_JC.exe
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Size
440KB
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MD5
52b973c029f230ba1049d1438ff7a960
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SHA1
c7c8790cd93463fea65921abfb44a5ed81788ab5
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SHA256
a8987722e326199edfa57b05912e962115d7e408ece800b53ed84a78d6a195a6
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SHA512
7b3b7aff02e7e15c557c618abfd243bb3b6510914aa8b2ea1eef76186c2ef7045a3848cded0b4530c67c113824c5b066fbca18df0f8a09e3e76795947d458605
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SSDEEP
6144:LQkAFTZe+DD2/wNvGaNgmQPzSI58KP0Pt8piGijRTGJd9jB:kTFTZFDGwtGigBFeKP0Pt+iGEMTd
Malware Config
Signatures
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Renames multiple (468) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file 6 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 1 IoCs
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Drops desktop.ini file(s) 64 IoCs
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Drops file in System32 directory 1 IoCs
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\52b973c029f230ba1049d1438ff7a960exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\52b973c029f230ba1049d1438ff7a960exe_JC.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mode.commode con cp select=12513⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mode.commode con cp select=12513⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-7106C173.johnycryptor@hackermail.com.xtblFilesize
2.9MB
MD5790549373e13cd6ce2e5a31804015526
SHA109c734a1c72f2859204c966a3b87675ea03fefbe
SHA256e8f933c3eae90697828a20cb3a468e8b34ed06a975cbf87dfdcf14417926b043
SHA5129a8fb2e18522a48ae65802de26d76dbb75b71531605ae20902d23b86cb7902d8922daabbc6a46d692274f39f1595905fff6866d56a44ccaafb7d5c2625f927c0
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memory/2036-3524-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-16872-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-3-0x0000000004420000-0x0000000004421000-memory.dmpFilesize
4KB
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memory/2036-4-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-1-0x0000000004420000-0x0000000004421000-memory.dmpFilesize
4KB
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memory/2036-1748-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-1749-0x0000000004420000-0x0000000004421000-memory.dmpFilesize
4KB
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memory/2036-3561-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-2919-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-2-0x00000000007D0000-0x0000000000840000-memory.dmpFilesize
448KB
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memory/2036-1994-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-3758-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-7220-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-10265-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-11202-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-11203-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-13374-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/2036-0-0x00000000007D0000-0x0000000000840000-memory.dmpFilesize
448KB
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memory/2036-21746-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/6104-21791-0x0000026389640000-0x0000026389650000-memory.dmpFilesize
64KB