Analysis
- max time kernel
142s - max time network
149s - platform
windows7_x64 - resource
win7 - submitted
12/10/2020, 09:46
Static task
static1
Behavioral task
behavioral1
Sample
RFQ_PO_7645321875.exe
Resource
win7
0 signatures
0 seconds
General
- Target RFQ_PO_7645321875.exe
- Size 261KB
- Sample201012-rcpgfvgr9e
- SHA256 ff9d837e464eb07ad603c0b2ac0a35029117123c31570baeb61fca9a0242b493
- MD5 870fdad769262715ea10aed9c9f724f4
- SHA1 ddb6654c1a408fb8e55b3b1d8506e7d1e4d54d6d
- SHA512 a0227797adcceb27e12c7ef49b9eaa4a9814d85136e35a162b589dd3eccf8339b62cbec3f924fcf0cf317a55d068d393d66363c20cd0fcac86c3c3ad43e9f63d
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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xpertrat
Version
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3.0.10
Botnet
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special X
C2
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sandshoe.myfirewall.org:4000
Mutex
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K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5
Signatures
- XpertRAT Core Payload 3 IoCs
resource yara_rule behavioral1/memory/1100-9-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral1/memory/1100-10-0x0000000000401364-mapping.dmp xpertrat behavioral1/memory/1100-11-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat - NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1636-18-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1636-19-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1636-22-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView - NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/612-23-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView behavioral1/memory/612-24-0x0000000000442F04-mapping.dmp WebBrowserPassView behavioral1/memory/612-25-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView - Nirsoft 11 IoCs
resource yara_rule behavioral1/memory/1692-17-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft behavioral1/memory/1636-18-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1636-19-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1636-22-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/612-23-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral1/memory/612-24-0x0000000000442F04-mapping.dmp Nirsoft behavioral1/memory/612-25-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral1/memory/688-30-0x0000000000400000-0x0000000000416000-memory.dmp Nirsoft behavioral1/memory/304-31-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral1/memory/304-32-0x000000000040C2A8-mapping.dmp Nirsoft behavioral1/memory/304-33-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft - Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5 = "C:\\Users\\Admin\\AppData\\Roaming\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run iexplore.exe -
resource yara_rule behavioral1/memory/1692-14-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1692-16-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1692-17-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/688-27-0x0000000000400000-0x0000000000416000-memory.dmp upx behavioral1/memory/688-29-0x0000000000400000-0x0000000000416000-memory.dmp upx behavioral1/memory/688-30-0x0000000000400000-0x0000000000416000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" RFQ_PO_7645321875.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5 = "C:\\Users\\Admin\\AppData\\Roaming\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5 = "C:\\Users\\Admin\\AppData\\Roaming\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5.exe" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ_PO_7645321875.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
pid Process 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe - Suspicious use of SetThreadContext 7 IoCs
description pid Process procid_target PID 1768 set thread context of 316 1768 RFQ_PO_7645321875.exe 31 PID 316 set thread context of 1100 316 RFQ_PO_7645321875.exe 32 PID 1100 set thread context of 1692 1100 iexplore.exe 33 PID 1100 set thread context of 1636 1100 iexplore.exe 34 PID 1100 set thread context of 612 1100 iexplore.exe 35 PID 1100 set thread context of 688 1100 iexplore.exe 36 PID 1100 set thread context of 304 1100 iexplore.exe 37 - Delays execution with timeout.exe 1 IoCs
pid Process 1276 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 RFQ_PO_7645321875.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 RFQ_PO_7645321875.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 1768 RFQ_PO_7645321875.exe 316 RFQ_PO_7645321875.exe 316 RFQ_PO_7645321875.exe 316 RFQ_PO_7645321875.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1768 RFQ_PO_7645321875.exe Token: SeDebugPrivilege 1100 iexplore.exe Token: SeDebugPrivilege 1692 iexplore.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 316 RFQ_PO_7645321875.exe 1100 iexplore.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1768 wrote to memory of 1276 1768 RFQ_PO_7645321875.exe 25 PID 1768 wrote to memory of 1276 1768 RFQ_PO_7645321875.exe 25 PID 1768 wrote to memory of 1276 1768 RFQ_PO_7645321875.exe 25 PID 1768 wrote to memory of 1276 1768 RFQ_PO_7645321875.exe 25 PID 1768 wrote to memory of 280 1768 RFQ_PO_7645321875.exe 30 PID 1768 wrote to memory of 280 1768 RFQ_PO_7645321875.exe 30 PID 1768 wrote to memory of 280 1768 RFQ_PO_7645321875.exe 30 PID 1768 wrote to memory of 280 1768 RFQ_PO_7645321875.exe 30 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 1768 wrote to memory of 316 1768 RFQ_PO_7645321875.exe 31 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 316 wrote to memory of 1100 316 RFQ_PO_7645321875.exe 32 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1692 1100 iexplore.exe 33 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 1636 1100 iexplore.exe 34 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 612 1100 iexplore.exe 35 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 688 1100 iexplore.exe 36 PID 1100 wrote to memory of 304 1100 iexplore.exe 37 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ_PO_7645321875.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\timeout.exetimeout 42⤵
- Delays execution with timeout.exe
PID:1276
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C:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe"2⤵PID:280
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C:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe"2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:316 -
C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\RFQ_PO_7645321875.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\uwsknmuqn0.txt"4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\uwsknmuqn1.txt"4⤵PID:1636
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\uwsknmuqn2.txt"4⤵PID:612
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\uwsknmuqn3.txt"4⤵PID:688
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\uwsknmuqn4.txt"4⤵PID:304
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