Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
24/10/2022, 21:32
General
- Target MV CEDAR VC2202 DETAILS.exe
- Size 217KB
- Sample221024-1dletsafg8
- SHA256 969fc6fade1be7419194f03599a8eec7fc743fae38ce0d766a9da83d3cec33ea
Malware Config
Extracted
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formbook
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ermr
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ErOK6LFCgNIAlQmH54oaYOL/CN29Z78=
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qNSdDhu/PT/1fgafDagiCSZH1SY=
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wLpPOAkYS8EABl3pHGc4hNT/Q1sHBrU=
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jSxRvptHkeTGl7PT0SEmaZmjqzanuA==
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b91oL+2wCcpyhnd6yvF6Pg==
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mr81yp1/qqZX
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hy7Xsz/PU/LWHMcGL4UYJx9n3A==
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KlwrHt1gouPaXaWhoQ==
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ng8M320IRJL9Ptw=
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8GQbOXuaWxvKnNM=
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XndOL7E5sNpVUNty4d/a
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rryPBBC8PybYb+2h2MF3FHGL
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kEoeyERSVCYO0g==
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5/P+SBDby5hO
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1fYXc30/h9W7iO17
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34X+YKR+wRFE
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8ir/X2MlVByh5lQ1ow8=
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u9ikm2UMZ7J7hpCYow==
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FLI+c3clp1BNDjVAfvC2Dnw=
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t21Erq8/r09wAzAJTAH3Ng==
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Executes dropped EXE 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 4 IoCs
- Drops file in Program Files directory 4 IoCs
- Program crash 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 58 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.exe"2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\MV CEDAR VC2202 DETAILS.exe"3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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C:\Program Files (x86)\Hrr20zl\chkdsk4hdlghap.exe"C:\Program Files (x86)\Hrr20zl\chkdsk4hdlghap.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Hrr20zl\chkdsk4hdlghap.exe"C:\Program Files (x86)\Hrr20zl\chkdsk4hdlghap.exe"3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 1844⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3068 -ip 30681⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
chkdsk4hdlghap.exe
chkdsk4hdlghap.exe
chkdsk4hdlghap.exe
memory/1380-132-0x0000000000770000-0x00000000007AC000-memory.dmp
memory/1380-133-0x00000000056C0000-0x0000000005C64000-memory.dmp
memory/3004-196-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-227-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-278-0x00000000027C0000-0x00000000027D0000-memory.dmp
memory/3004-277-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-267-0x00000000027C0000-0x00000000027D0000-memory.dmp
memory/3004-266-0x0000000000930000-0x0000000000940000-memory.dmp
memory/3004-146-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-147-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-148-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-149-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-151-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-150-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-265-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-140-0x0000000007970000-0x0000000007ACA000-memory.dmp
memory/3004-156-0x0000000007250000-0x0000000007260000-memory.dmp
memory/3004-155-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-157-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-159-0x0000000007AD0000-0x0000000007BFA000-memory.dmp
memory/3004-160-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-161-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-162-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-158-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-164-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-163-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-165-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-166-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-167-0x0000000007280000-0x0000000007290000-memory.dmp
memory/3004-169-0x0000000007280000-0x0000000007290000-memory.dmp
memory/3004-168-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-170-0x0000000007280000-0x0000000007290000-memory.dmp
memory/3004-171-0x0000000007AD0000-0x0000000007BFA000-memory.dmp
memory/3004-172-0x0000000007280000-0x0000000007290000-memory.dmp
memory/3004-173-0x0000000007280000-0x0000000007290000-memory.dmp
memory/3004-174-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-175-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-176-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-177-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-178-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-179-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-180-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-181-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-182-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-183-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-185-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-186-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-189-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-191-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-193-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-194-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-192-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-190-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-188-0x0000000002810000-0x0000000002820000-memory.dmp
memory/3004-187-0x0000000002810000-0x0000000002820000-memory.dmp
memory/3004-195-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-249-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-197-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-198-0x0000000002810000-0x0000000002820000-memory.dmp
memory/3004-199-0x0000000002810000-0x0000000002820000-memory.dmp
memory/3004-247-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-221-0x0000000002B90000-0x0000000002BA0000-memory.dmp
memory/3004-200-0x0000000002810000-0x0000000002820000-memory.dmp
memory/3004-203-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-204-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-205-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-206-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-207-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-208-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-209-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-210-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-211-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-212-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-213-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-214-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-215-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-216-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-217-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-218-0x0000000002B90000-0x0000000002BA0000-memory.dmp
memory/3004-219-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
memory/3004-220-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
memory/3004-201-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-222-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
memory/3004-223-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
memory/3004-224-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-225-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-226-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-202-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-228-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-229-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-230-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-231-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-233-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-232-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-234-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-235-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-236-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-237-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-238-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-241-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-242-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3004-243-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-244-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-245-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-246-0x0000000002230000-0x0000000002240000-memory.dmp
memory/3004-248-0x0000000002230000-0x0000000002240000-memory.dmp
memory/4596-153-0x00000000028D0000-0x0000000002960000-memory.dmp
memory/4596-145-0x0000000002AA0000-0x0000000002DEA000-memory.dmp
memory/4596-142-0x00000000005F0000-0x0000000000617000-memory.dmp
memory/4596-143-0x0000000000940000-0x000000000096D000-memory.dmp
memory/4596-152-0x0000000000940000-0x000000000096D000-memory.dmp
memory/4612-135-0x0000000000400000-0x000000000042D000-memory.dmp
memory/4612-139-0x0000000001040000-0x0000000001051000-memory.dmp
memory/4612-138-0x0000000001080000-0x00000000013CA000-memory.dmp
memory/4612-137-0x0000000000400000-0x000000000042D000-memory.dmp