Analysis
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max time kernel
106s -
max time network
109s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
18-01-2021 08:20
Static task
static1
Behavioral task
behavioral1
Sample
PO-09IOIOOUIR.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PO-09IOIOOUIR.exe
Resource
win10v20201028
General
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Target
PO-09IOIOOUIR.exe
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Size
23KB
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MD5
b644ad55edc241dc9ee0b7bdb55c8704
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SHA1
d0f4162b77fd7e63fb175c061395beaa379e233d
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SHA256
be2ff52ed353429d954a579493e0d95571a1da3edbecd6328bf3ef76a47aeda0
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SHA512
3ff994c5d5442f2047cf31117e47e60d3d58e6a8663b6a2cacb64982f5deb8488c037470d2087e5b73c3f8253f5b193a9e621ad51756d2dd05034a75fbe141d9
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
PO-09IOIOOUIR.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PO-09IOIOOUIR.exe\"" PO-09IOIOOUIR.exe -
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/1276-10-0x0000000005BD0000-0x0000000005C70000-memory.dmp family_snakekeylogger behavioral2/memory/2620-11-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger behavioral2/memory/2620-12-0x00000000004643BE-mapping.dmp family_snakekeylogger behavioral2/memory/572-14-0x00000000004643BE-mapping.dmp family_snakekeylogger behavioral2/memory/2864-18-0x00000000004643BE-mapping.dmp family_snakekeylogger behavioral2/memory/2584-23-0x00000000004643BE-mapping.dmp family_snakekeylogger behavioral2/memory/2648-31-0x00000000004643BE-mapping.dmp family_snakekeylogger -
Drops startup file 2 IoCs
Processes:
PO-09IOIOOUIR.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO-09IOIOOUIR.exe PO-09IOIOOUIR.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 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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
PO-09IOIOOUIR.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PO-09IOIOOUIR.exe" PO-09IOIOOUIR.exe Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\PO-09IOIOOUIR.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PO-09IOIOOUIR.exe" PO-09IOIOOUIR.exe -
Looks up external IP address via web service 7 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 26 freegeoip.app 27 freegeoip.app 11 checkip.dyndns.org 22 freegeoip.app 23 freegeoip.app 24 freegeoip.app 25 freegeoip.app -
Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
Processes:
PO-09IOIOOUIR.exepid process 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe 1276 PO-09IOIOOUIR.exe -
Suspicious use of SetThreadContext 5 IoCs
Processes:
PO-09IOIOOUIR.exedescription pid process target process PID 1276 set thread context of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 set thread context of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 set thread context of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 set thread context of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 set thread context of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
PO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exepid process 1276 PO-09IOIOOUIR.exe 2620 PO-09IOIOOUIR.exe 572 PO-09IOIOOUIR.exe 2864 PO-09IOIOOUIR.exe 2584 PO-09IOIOOUIR.exe 2648 PO-09IOIOOUIR.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
PO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exePO-09IOIOOUIR.exedescription pid process Token: SeDebugPrivilege 1276 PO-09IOIOOUIR.exe Token: SeDebugPrivilege 2620 PO-09IOIOOUIR.exe Token: SeDebugPrivilege 572 PO-09IOIOOUIR.exe Token: SeDebugPrivilege 2864 PO-09IOIOOUIR.exe Token: SeDebugPrivilege 2584 PO-09IOIOOUIR.exe Token: SeDebugPrivilege 2648 PO-09IOIOOUIR.exe -
Suspicious use of WriteProcessMemory 40 IoCs
Processes:
PO-09IOIOOUIR.exedescription pid process target process PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2620 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 572 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2864 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2584 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe PID 1276 wrote to memory of 2648 1276 PO-09IOIOOUIR.exe PO-09IOIOOUIR.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\PO-09IOIOOUIR.exe"C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"C:\Users\Admin\AppData\Local\Temp\PO-09IOIOOUIR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-09IOIOOUIR.exe.logMD5
4d710ca9c563bbb76bb29b87d5d64282
SHA12b1271f68a5d18e1c1bb08800a9cc9464e8a81ad
SHA2566c7ac5cff014a13315b8813524bbd14471f1ab7aac691be94d4d4f28e4cd2de4
SHA512873c9ee04e4f8d23f8cf90ffea89a362e8eda43c0cfc6bb47442f93e0add8794c004081350cfbd7cfaed6d101582287b26a00951d4019dfb466f21514e5d90d6
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memory/572-14-0x00000000004643BE-mapping.dmp
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memory/572-48-0x00000000053F0000-0x00000000053F1000-memory.dmpFilesize
4KB
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memory/572-16-0x0000000073D20000-0x000000007440E000-memory.dmpFilesize
6.9MB
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memory/1276-8-0x0000000004C50000-0x0000000004C51000-memory.dmpFilesize
4KB
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memory/1276-28-0x0000000002540000-0x0000000002541000-memory.dmpFilesize
4KB
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memory/1276-9-0x0000000002550000-0x0000000002551000-memory.dmpFilesize
4KB
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memory/1276-10-0x0000000005BD0000-0x0000000005C70000-memory.dmpFilesize
640KB
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memory/1276-3-0x0000000000280000-0x0000000000281000-memory.dmpFilesize
4KB
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memory/1276-2-0x0000000073D20000-0x000000007440E000-memory.dmpFilesize
6.9MB
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memory/1276-7-0x0000000002530000-0x0000000002531000-memory.dmpFilesize
4KB
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memory/1276-6-0x0000000004B10000-0x0000000004B11000-memory.dmpFilesize
4KB
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memory/1276-5-0x0000000005010000-0x0000000005011000-memory.dmpFilesize
4KB
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memory/2584-26-0x0000000073D20000-0x000000007440E000-memory.dmpFilesize
6.9MB
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memory/2584-51-0x00000000050D0000-0x00000000050D1000-memory.dmpFilesize
4KB
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memory/2584-23-0x00000000004643BE-mapping.dmp
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memory/2620-15-0x0000000073D20000-0x000000007440E000-memory.dmpFilesize
6.9MB
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memory/2620-49-0x00000000050C0000-0x00000000050C1000-memory.dmpFilesize
4KB
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memory/2620-12-0x00000000004643BE-mapping.dmp
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memory/2620-11-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2648-35-0x0000000073D20000-0x000000007440E000-memory.dmpFilesize
6.9MB
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memory/2648-31-0x00000000004643BE-mapping.dmp
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memory/2648-52-0x0000000005720000-0x0000000005721000-memory.dmpFilesize
4KB
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memory/2864-20-0x0000000073D20000-0x000000007440E000-memory.dmpFilesize
6.9MB
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memory/2864-50-0x0000000005660000-0x0000000005661000-memory.dmpFilesize
4KB
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memory/2864-18-0x00000000004643BE-mapping.dmp
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memory/2864-53-0x00000000067B0000-0x00000000067B1000-memory.dmpFilesize
4KB