Analysis
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max time kernel
58s -
max time network
111s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 19:38
Static task
static1
Behavioral task
behavioral1
Sample
HALLEY.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
HALLEY.exe
Resource
win10v20201028
General
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Target
HALLEY.exe
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Size
497KB
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MD5
b3364f04d488a8ea67c1e1e4fb47ea28
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SHA1
2deb277b823cf83c36bcbf631e4821353ca9b0bc
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SHA256
3fb6e1925a0ef970149daeeb17b68d01e5ae9b8e11d756a079024e6aa408452f
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SHA512
a085cd89d17256e2fd1f2ca6331d3240c5f0f6d5f39d6319ee4892032f04b9d303aa18fba17ab1b0ee799aea8d834a77882d4ff57af4a4d063a7764a07bcec8c
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
eaidworkforce@yandex.com - Password:
mandiesel91
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
eaidworkforce@yandex.com - Password:
mandiesel91
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral2/memory/3980-7-0x00000000031C0000-0x00000000031C3000-memory.dmp coreentity -
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3064-10-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/3064-11-0x000000000044C95E-mapping.dmp family_agenttesla -
Processes:
resource yara_rule behavioral2/memory/3980-8-0x000000000A690000-0x000000000A6E3000-memory.dmp rezer0 -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
HALLEY.exedescription pid process target process PID 3980 set thread context of 3064 3980 HALLEY.exe HALLEY.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
HALLEY.exeHALLEY.exepid process 3980 HALLEY.exe 3980 HALLEY.exe 3980 HALLEY.exe 3064 HALLEY.exe 3064 HALLEY.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
HALLEY.exeHALLEY.exedescription pid process Token: SeDebugPrivilege 3980 HALLEY.exe Token: SeDebugPrivilege 3064 HALLEY.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
HALLEY.exepid process 3064 HALLEY.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
HALLEY.exeHALLEY.exedescription pid process target process PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3980 wrote to memory of 3064 3980 HALLEY.exe HALLEY.exe PID 3064 wrote to memory of 4072 3064 HALLEY.exe netsh.exe PID 3064 wrote to memory of 4072 3064 HALLEY.exe netsh.exe PID 3064 wrote to memory of 4072 3064 HALLEY.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\HALLEY.exe"C:\Users\Admin\AppData\Local\Temp\HALLEY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HALLEY.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HALLEY.exe.logMD5
b4f7a6a57cb46d94b72410eb6a6d45a9
SHA169f3596ffa027202d391444b769ceea0ae14c5f7
SHA25623994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b
SHA512be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c
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memory/3064-10-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/3064-19-0x0000000005C90000-0x0000000005C91000-memory.dmpFilesize
4KB
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memory/3064-18-0x00000000050A0000-0x00000000050A1000-memory.dmpFilesize
4KB
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memory/3064-13-0x0000000073A20000-0x000000007410E000-memory.dmpFilesize
6.9MB
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memory/3064-11-0x000000000044C95E-mapping.dmp
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memory/3980-5-0x00000000082D0000-0x00000000082D1000-memory.dmpFilesize
4KB
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memory/3980-8-0x000000000A690000-0x000000000A6E3000-memory.dmpFilesize
332KB
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memory/3980-9-0x000000000A790000-0x000000000A791000-memory.dmpFilesize
4KB
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memory/3980-7-0x00000000031C0000-0x00000000031C3000-memory.dmpFilesize
12KB
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memory/3980-6-0x0000000008260000-0x0000000008261000-memory.dmpFilesize
4KB
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memory/3980-0-0x0000000073A20000-0x000000007410E000-memory.dmpFilesize
6.9MB
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memory/3980-4-0x00000000085B0000-0x00000000085B1000-memory.dmpFilesize
4KB
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memory/3980-3-0x0000000005810000-0x000000000586B000-memory.dmpFilesize
364KB
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memory/3980-1-0x0000000000FE0000-0x0000000000FE1000-memory.dmpFilesize
4KB
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memory/4072-20-0x0000000000000000-mapping.dmp