Analysis Overview
SHA256
86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6
Threat Level: Known bad
The file Signatureformrequest#54526.com.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
NirSoft WebBrowserPassView
NirSoft MailPassView
Nirsoft
Reads user/profile data of web browsers
Loads dropped DLL
Accesses Microsoft Outlook accounts
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Enumerates physical storage devices
NSIS installer
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 15:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 15:01
Reported
2024-05-22 15:03
Platform
win7-20240220-en
Max time kernel
150s
Max time network
124s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Enumerates physical storage devices
Processes
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe
"C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nsi1788.tmp\System.dll
| MD5 | e23600029d1b09bdb1d422fb4e46f5a6 |
| SHA1 | 5d64a2f6a257a98a689a3db9a087a0fd5f180096 |
| SHA256 | 7342b73593b3aa1b15e3731bfb1afd1961802a5c66343bac9a2c737ee94f4e38 |
| SHA512 | c971f513142633ce0e6ec6a04c754a286da8016563dab368c3fac83aef81fa3e9df1003c4b63d00a46351a9d18eaa7ae7645caef172e5e1d6e29123ab864e7ac |
C:\Users\Admin\Tubaistens.ini
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/1780-26216-0x0000000013D40000-0x0000000016D75000-memory.dmp
memory/1780-26217-0x0000000013D40000-0x0000000016D75000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 15:01
Reported
2024-05-22 15:03
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
128s
Command Line
Signatures
Guloader,Cloudeye
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 772 set thread context of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe |
| PID 5104 set thread context of 4800 | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe |
| PID 5104 set thread context of 2032 | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe |
| PID 5104 set thread context of 804 | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe
"C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe"
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe
"C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe"
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\efiidgsid"
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\oinsezdkqmeph"
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe
C:\Users\Admin\AppData\Local\Temp\Signatureformrequest#54526.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\rcslerneeuwuseri"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| TH | 38.15.131.137:80 | 38.15.131.137 | tcp |
| US | 8.8.8.8:53 | 137.131.15.38.in-addr.arpa | udp |
| TH | 38.15.131.137:24554 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| TH | 38.15.131.137:24554 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsp3887.tmp\System.dll
| MD5 | e23600029d1b09bdb1d422fb4e46f5a6 |
| SHA1 | 5d64a2f6a257a98a689a3db9a087a0fd5f180096 |
| SHA256 | 7342b73593b3aa1b15e3731bfb1afd1961802a5c66343bac9a2c737ee94f4e38 |
| SHA512 | c971f513142633ce0e6ec6a04c754a286da8016563dab368c3fac83aef81fa3e9df1003c4b63d00a46351a9d18eaa7ae7645caef172e5e1d6e29123ab864e7ac |
C:\Users\Admin\Tubaistens.ini
| MD5 | 1ed15cc277af7562eb72f4e48be3fe10 |
| SHA1 | 57c78bd7ec913f83e871c110be655ad827832669 |
| SHA256 | f2a5a5e3109ab9577eb752819265b7f3552765356922bdd17f44a4781a104a1f |
| SHA512 | 39ca25427cc43851029ada4d1986e5d0de4670436e9f311ca145cea67c47461b2ed35137ae188a1af9d5d70a26c91f721d2f33daac8654c46f48777780f33b97 |
memory/772-26214-0x0000000014C20000-0x0000000017C55000-memory.dmp
memory/772-26215-0x0000000077381000-0x00000000774A1000-memory.dmp
memory/772-26216-0x00000000741E5000-0x00000000741E6000-memory.dmp
memory/5104-26217-0x00000000017A0000-0x00000000047D5000-memory.dmp
memory/772-26218-0x0000000014C20000-0x0000000017C55000-memory.dmp
memory/5104-26219-0x0000000000540000-0x0000000001794000-memory.dmp
memory/5104-26220-0x00000000017A0000-0x00000000047D5000-memory.dmp
memory/772-26221-0x0000000014C20000-0x0000000017C55000-memory.dmp
memory/2032-26224-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4800-26225-0x0000000000400000-0x0000000000478000-memory.dmp
memory/804-26235-0x0000000000400000-0x0000000000424000-memory.dmp
memory/804-26238-0x0000000000400000-0x0000000000424000-memory.dmp
memory/804-26241-0x0000000000400000-0x0000000000424000-memory.dmp
memory/804-26237-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2032-26236-0x0000000000400000-0x0000000000462000-memory.dmp
memory/804-26231-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4800-26230-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4800-26228-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2032-26227-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2032-26226-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4800-26223-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4800-26244-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\efiidgsid
| MD5 | 788d7419b32411807cc6753cbbccecbe |
| SHA1 | 761b99a1e5bc168f525181d78cff3f6ed82daa14 |
| SHA256 | 76150e857b36f1f070422d2ad4df17f87454466348e4bfc158b028977378140b |
| SHA512 | 3003f104b0b07870015ff4e9e0d254c2e537d4c68ef664a772d7018827b0ccbeb5481a2ce587b88e6ab1d71d6ce523a620c11c00c676857d5fd5ab949fa617b4 |
memory/5104-26247-0x0000000035530000-0x0000000035549000-memory.dmp
memory/5104-26251-0x0000000035530000-0x0000000035549000-memory.dmp
memory/5104-26250-0x0000000035530000-0x0000000035549000-memory.dmp
memory/5104-26253-0x00000000017A0000-0x00000000047D5000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-22 15:01
Reported
2024-05-22 15:03
Platform
win7-20240215-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-05-22 15:01
Reported
2024-05-22 15:03
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4644 wrote to memory of 4076 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4644 wrote to memory of 4076 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4644 wrote to memory of 4076 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4076 -ip 4076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.98.74.40.in-addr.arpa | udp |