Analysis
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max time kernel
116s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
10-06-2022 00:23
Static task
static1
Behavioral task
behavioral1
Sample
184be2a73a16e66153a8af6958c16b9d.exe
Resource
win7-20220414-en
General
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Target
184be2a73a16e66153a8af6958c16b9d.exe
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Size
905KB
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MD5
184be2a73a16e66153a8af6958c16b9d
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SHA1
119957a445db96c9e151a326c535fe36c70adda7
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SHA256
9e9eae41469ebcfc9d59edafcb66c6f2eed5850c06d0306f4a1cc3eb47afc85e
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SHA512
3682b333ff8f0e759467929b2f564ebdc1735f4ed42d3a59ac4e5dd1f9492f024ee361b390df66421535c45c157da137206eeb7d6376684c2322b8e73e2d074a
Malware Config
Signatures
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SectopRAT Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4108-133-0x0000000000400000-0x00000000004A2000-memory.dmp family_sectoprat -
Processes:
RegAsm.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" RegAsm.exe -
suricata: ET MALWARE Arechclient2 Backdoor CnC Init
suricata: ET MALWARE Arechclient2 Backdoor CnC Init
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Executes dropped EXE 1 IoCs
Processes:
regservice32.exepid process 4748 regservice32.exe -
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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 29 eth0.me -
Suspicious use of SetThreadContext 1 IoCs
Processes:
184be2a73a16e66153a8af6958c16b9d.exedescription pid process target process PID 3116 set thread context of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
184be2a73a16e66153a8af6958c16b9d.exeRegAsm.exeregservice32.exedescription pid process Token: SeDebugPrivilege 3116 184be2a73a16e66153a8af6958c16b9d.exe Token: SeDebugPrivilege 4108 RegAsm.exe Token: SeDebugPrivilege 4748 regservice32.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
184be2a73a16e66153a8af6958c16b9d.execmd.exedescription pid process target process PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4108 3116 184be2a73a16e66153a8af6958c16b9d.exe RegAsm.exe PID 3116 wrote to memory of 4724 3116 184be2a73a16e66153a8af6958c16b9d.exe cmd.exe PID 3116 wrote to memory of 4724 3116 184be2a73a16e66153a8af6958c16b9d.exe cmd.exe PID 3116 wrote to memory of 4724 3116 184be2a73a16e66153a8af6958c16b9d.exe cmd.exe PID 3116 wrote to memory of 2108 3116 184be2a73a16e66153a8af6958c16b9d.exe cmd.exe PID 3116 wrote to memory of 2108 3116 184be2a73a16e66153a8af6958c16b9d.exe cmd.exe PID 3116 wrote to memory of 2108 3116 184be2a73a16e66153a8af6958c16b9d.exe cmd.exe PID 4724 wrote to memory of 2616 4724 cmd.exe schtasks.exe PID 4724 wrote to memory of 2616 4724 cmd.exe schtasks.exe PID 4724 wrote to memory of 2616 4724 cmd.exe schtasks.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\184be2a73a16e66153a8af6958c16b9d.exe"C:\Users\Admin\AppData\Local\Temp\184be2a73a16e66153a8af6958c16b9d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- UAC bypass
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:4108
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\regservice32\regservice32.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\regservice32\regservice32.exe'" /f3⤵
- Creates scheduled task(s)
PID:2616
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\184be2a73a16e66153a8af6958c16b9d.exe" "C:\Users\Admin\AppData\Roaming\regservice32\regservice32.exe"2⤵PID:2108
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C:\Users\Admin\AppData\Roaming\regservice32\regservice32.exeC:\Users\Admin\AppData\Roaming\regservice32\regservice32.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4748
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
905KB
MD5184be2a73a16e66153a8af6958c16b9d
SHA1119957a445db96c9e151a326c535fe36c70adda7
SHA2569e9eae41469ebcfc9d59edafcb66c6f2eed5850c06d0306f4a1cc3eb47afc85e
SHA5123682b333ff8f0e759467929b2f564ebdc1735f4ed42d3a59ac4e5dd1f9492f024ee361b390df66421535c45c157da137206eeb7d6376684c2322b8e73e2d074a
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Filesize
905KB
MD5184be2a73a16e66153a8af6958c16b9d
SHA1119957a445db96c9e151a326c535fe36c70adda7
SHA2569e9eae41469ebcfc9d59edafcb66c6f2eed5850c06d0306f4a1cc3eb47afc85e
SHA5123682b333ff8f0e759467929b2f564ebdc1735f4ed42d3a59ac4e5dd1f9492f024ee361b390df66421535c45c157da137206eeb7d6376684c2322b8e73e2d074a