Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
21-09-2022 06:38
Static task
static1
Behavioral task
behavioral1
Sample
BILLPAYM.exe
Resource
win7-20220812-en
General
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Target
BILLPAYM.exe
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Size
300.0MB
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MD5
41d8a777ddc40a009a046f88900c0b80
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SHA1
25dfd72ffe79eb5884d27fead86f4886bed638de
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SHA256
e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347
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SHA512
e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514
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SSDEEP
24576:R+GQ7D8nXiNeGFPQKpFCjI/teJb2Q/eF2YlIECXRPbSVKcS2nOI3lqaNJJxEJYsO:R+GaeGtpFC8/mb9ejKulkPaNJo
Malware Config
Extracted
bitrat
1.38
newbithere.duckdns.org:2005
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communication_password
827ccb0eea8a706c4c34a16891f84e7b
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tor_process
tor
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\Unknown.dll acprotect C:\Users\Admin\AppData\Local\Temp\Unknown.dll acprotect -
Executes dropped EXE 4 IoCs
Processes:
Windows.exeWindows.exeeW2zjQNL.exeeW2zjQNL.exepid process 4484 Windows.exe 744 Windows.exe 1984 eW2zjQNL.exe 1800 eW2zjQNL.exe -
Processes:
resource yara_rule behavioral2/memory/3380-143-0x00000000009C0000-0x0000000000DA4000-memory.dmp upx behavioral2/memory/3380-144-0x00000000009C0000-0x0000000000DA4000-memory.dmp upx behavioral2/memory/2848-152-0x0000000000910000-0x0000000000CF4000-memory.dmp upx behavioral2/memory/2848-153-0x0000000000910000-0x0000000000CF4000-memory.dmp upx behavioral2/memory/64-160-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/64-161-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/64-162-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/64-163-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/64-166-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/1984-169-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral2/memory/1984-173-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral2/memory/1984-174-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral2/memory/1984-175-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral2/memory/1984-192-0x0000000000400000-0x00000000008DC000-memory.dmp upx -
Loads dropped DLL 1 IoCs
Processes:
eW2zjQNL.exepid process 1800 eW2zjQNL.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
eW2zjQNL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts eW2zjQNL.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
RegAsm.exepid process 64 RegAsm.exe 64 RegAsm.exe 64 RegAsm.exe 64 RegAsm.exe 64 RegAsm.exe -
Suspicious use of SetThreadContext 5 IoCs
Processes:
BILLPAYM.exeWindows.exeWindows.exeRegAsm.exeeW2zjQNL.exedescription pid process target process PID 3844 set thread context of 3380 3844 BILLPAYM.exe RegAsm.exe PID 4484 set thread context of 2848 4484 Windows.exe RegAsm.exe PID 744 set thread context of 64 744 Windows.exe RegAsm.exe PID 64 set thread context of 1984 64 RegAsm.exe eW2zjQNL.exe PID 1984 set thread context of 1800 1984 eW2zjQNL.exe eW2zjQNL.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1288 3380 WerFault.exe RegAsm.exe 400 2848 WerFault.exe RegAsm.exe -
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 3952 schtasks.exe 4436 schtasks.exe 3672 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
eW2zjQNL.exepid process 1800 eW2zjQNL.exe 1800 eW2zjQNL.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RegAsm.exeeW2zjQNL.exedescription pid process Token: SeShutdownPrivilege 64 RegAsm.exe Token: SeDebugPrivilege 1800 eW2zjQNL.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
RegAsm.exepid process 64 RegAsm.exe 64 RegAsm.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
BILLPAYM.execmd.exeWindows.execmd.exeWindows.execmd.exeRegAsm.exeeW2zjQNL.exedescription pid process target process PID 3844 wrote to memory of 3748 3844 BILLPAYM.exe cmd.exe PID 3844 wrote to memory of 3748 3844 BILLPAYM.exe cmd.exe PID 3844 wrote to memory of 3748 3844 BILLPAYM.exe cmd.exe PID 3844 wrote to memory of 1812 3844 BILLPAYM.exe cmd.exe PID 3844 wrote to memory of 1812 3844 BILLPAYM.exe cmd.exe PID 3844 wrote to memory of 1812 3844 BILLPAYM.exe cmd.exe PID 3748 wrote to memory of 3952 3748 cmd.exe schtasks.exe PID 3748 wrote to memory of 3952 3748 cmd.exe schtasks.exe PID 3748 wrote to memory of 3952 3748 cmd.exe schtasks.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 3844 wrote to memory of 3380 3844 BILLPAYM.exe RegAsm.exe PID 4484 wrote to memory of 1848 4484 Windows.exe cmd.exe PID 4484 wrote to memory of 1848 4484 Windows.exe cmd.exe PID 4484 wrote to memory of 1848 4484 Windows.exe cmd.exe PID 4484 wrote to memory of 4652 4484 Windows.exe cmd.exe PID 4484 wrote to memory of 4652 4484 Windows.exe cmd.exe PID 4484 wrote to memory of 4652 4484 Windows.exe cmd.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 4484 wrote to memory of 2848 4484 Windows.exe RegAsm.exe PID 1848 wrote to memory of 4436 1848 cmd.exe schtasks.exe PID 1848 wrote to memory of 4436 1848 cmd.exe schtasks.exe PID 1848 wrote to memory of 4436 1848 cmd.exe schtasks.exe PID 744 wrote to memory of 4484 744 Windows.exe cmd.exe PID 744 wrote to memory of 4484 744 Windows.exe cmd.exe PID 744 wrote to memory of 4484 744 Windows.exe cmd.exe PID 744 wrote to memory of 4796 744 Windows.exe cmd.exe PID 744 wrote to memory of 4796 744 Windows.exe cmd.exe PID 744 wrote to memory of 4796 744 Windows.exe cmd.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 744 wrote to memory of 64 744 Windows.exe RegAsm.exe PID 4484 wrote to memory of 3672 4484 cmd.exe schtasks.exe PID 4484 wrote to memory of 3672 4484 cmd.exe schtasks.exe PID 4484 wrote to memory of 3672 4484 cmd.exe schtasks.exe PID 64 wrote to memory of 4992 64 RegAsm.exe RegAsm.exe PID 64 wrote to memory of 4992 64 RegAsm.exe RegAsm.exe PID 64 wrote to memory of 4992 64 RegAsm.exe RegAsm.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 64 wrote to memory of 1984 64 RegAsm.exe eW2zjQNL.exe PID 1984 wrote to memory of 1800 1984 eW2zjQNL.exe eW2zjQNL.exe PID 1984 wrote to memory of 1800 1984 eW2zjQNL.exe eW2zjQNL.exe PID 1984 wrote to memory of 1800 1984 eW2zjQNL.exe eW2zjQNL.exe PID 1984 wrote to memory of 1800 1984 eW2zjQNL.exe eW2zjQNL.exe PID 1984 wrote to memory of 1800 1984 eW2zjQNL.exe eW2zjQNL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe"C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f3⤵
- Creates scheduled task(s)
PID:3952 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"2⤵PID:1812
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 5403⤵
- Program crash
PID:1288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3380 -ip 33801⤵PID:3616
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C:\Users\Admin\AppData\Roaming\Windows.exeC:\Users\Admin\AppData\Roaming\Windows.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f3⤵
- Creates scheduled task(s)
PID:4436 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\Windows.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"2⤵PID:4652
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 5403⤵
- Program crash
PID:400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 2848 -ip 28481⤵PID:3996
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C:\Users\Admin\AppData\Roaming\Windows.exeC:\Users\Admin\AppData\Roaming\Windows.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f3⤵
- Creates scheduled task(s)
PID:3672 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\Windows.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"2⤵PID:4796
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:64 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe-a "C:\Users\Admin\AppData\Local\771c9f7f\plg\eW2zjQNL.json"3⤵PID:4992
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C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe-a "C:\Users\Admin\AppData\Local\771c9f7f\plg\eW2zjQNL.json"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1800
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5ce3e2f5f04eff81b3b7130a90a8e3a6e
SHA1fe9ac39d1db0a28aeef54741003d3f639125dc1c
SHA256b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631
SHA5128cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357
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Filesize
612B
MD52a9d08fe8550d5c1bd2234a9bba5f499
SHA1002f0e108e5b1141f507b7e6851b6778a749e223
SHA256af40b88a9082d1a47f6339d384de9a1936fca4bf8013826bbae4606c988713dd
SHA5127a0e924ac0209566d7bd63529a9732bd87b4981209bcd7038df61fa9990768d6a7882a18067cd6f1dd5c034f835ca6f0c3da2c6d78ff822165e2027f5d86aedf
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Filesize
104B
MD54f3bde9212e17ef18226866d6ac739b6
SHA1732733bec8314beb81437e60876ffa75e72ae6cd
SHA256212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174
SHA51210b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744
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Filesize
104B
MD5bf5da170f7c9a8eae88d1cb1a191ff80
SHA1dd1b991a1b03587a5d1edc94e919a2070e325610
SHA256e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd
SHA5129e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e
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Filesize
793KB
MD586114faba7e1ec4a667d2bcb2e23f024
SHA1670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f
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Filesize
793KB
MD586114faba7e1ec4a667d2bcb2e23f024
SHA1670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f
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Filesize
402B
MD5ca42e05f9d53c7ec9383307c1ea282bb
SHA1ed0efa1b59b461dcda08121a39411bee72f6b4cb
SHA25663a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade
SHA5124a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196
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Filesize
402B
MD5ca42e05f9d53c7ec9383307c1ea282bb
SHA1ed0efa1b59b461dcda08121a39411bee72f6b4cb
SHA25663a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade
SHA5124a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196
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Filesize
402B
MD5ca42e05f9d53c7ec9383307c1ea282bb
SHA1ed0efa1b59b461dcda08121a39411bee72f6b4cb
SHA25663a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade
SHA5124a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196
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Filesize
1KB
MD5ce3e2f5f04eff81b3b7130a90a8e3a6e
SHA1fe9ac39d1db0a28aeef54741003d3f639125dc1c
SHA256b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631
SHA5128cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357
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Filesize
300.0MB
MD541d8a777ddc40a009a046f88900c0b80
SHA125dfd72ffe79eb5884d27fead86f4886bed638de
SHA256e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347
SHA512e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514
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Filesize
300.0MB
MD541d8a777ddc40a009a046f88900c0b80
SHA125dfd72ffe79eb5884d27fead86f4886bed638de
SHA256e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347
SHA512e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514
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Filesize
300.0MB
MD541d8a777ddc40a009a046f88900c0b80
SHA125dfd72ffe79eb5884d27fead86f4886bed638de
SHA256e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347
SHA512e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514