Analysis Overview
SHA256
3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
Threat Level: Known bad
The file 3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 08:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 08:43
Reported
2024-05-10 08:46
Platform
win7-20231129-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2884 set thread context of 2480 | N/A | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe
"C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zNukUlepyAI.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zNukUlepyAI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp"
C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe
"C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe"
Network
Files
memory/2884-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp
memory/2884-1-0x0000000001330000-0x00000000013EA000-memory.dmp
memory/2884-2-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2884-3-0x0000000000280000-0x000000000029E000-memory.dmp
memory/2884-4-0x00000000002D0000-0x00000000002E0000-memory.dmp
memory/2884-5-0x00000000002F0000-0x0000000000306000-memory.dmp
memory/2884-6-0x0000000000FB0000-0x0000000001026000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp
| MD5 | 75ebb6243be847ea9f9c9e1bf05ab428 |
| SHA1 | 8440b9863ef9cb4672ad190424110a6c396d35f2 |
| SHA256 | a1a9ac1b15427e8dfd3170fd43a705ad6ed4de2c995266789da331ef00732bfe |
| SHA512 | 2d0f7094aaa87b1ec7ff5d587056ca50c3dc4cbb3c80b21f93fcdb4577994e5d592ac73eb685ccaf685370ab53b6ac7786c96a9465dbf226707f322003b16196 |
memory/2480-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2480-17-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2480-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2480-14-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2884-20-0x0000000074B20000-0x000000007520E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 08:43
Reported
2024-05-10 08:46
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1876 set thread context of 4324 | N/A | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe
"C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zNukUlepyAI.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zNukUlepyAI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp"
C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe
"C:\Users\Admin\AppData\Local\Temp\3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe"
Network
| Country | Destination | Domain | Proto |
| 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 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.192:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 192.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.178.89.13.in-addr.arpa | udp |
Files
memory/1876-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp
memory/1876-1-0x00000000000E0000-0x000000000019A000-memory.dmp
memory/1876-2-0x0000000007470000-0x0000000007A14000-memory.dmp
memory/1876-3-0x0000000006F60000-0x0000000006FF2000-memory.dmp
memory/1876-4-0x0000000002330000-0x000000000233A000-memory.dmp
memory/1876-5-0x0000000007240000-0x00000000072DC000-memory.dmp
memory/1876-6-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1876-7-0x0000000007080000-0x000000000709E000-memory.dmp
memory/1876-8-0x0000000007220000-0x0000000007230000-memory.dmp
memory/1876-9-0x0000000007230000-0x0000000007246000-memory.dmp
memory/1876-10-0x0000000008980000-0x00000000089F6000-memory.dmp
memory/460-15-0x00000000023A0000-0x00000000023D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp
| MD5 | 6368038addd8c97902b3d42b58045f50 |
| SHA1 | 46c610749558a5b539b21602f27ec6507039f68a |
| SHA256 | 2758f839c04ff248a4fe57cc7f0fd9c026b681214a2978d4a786774351a5e9b6 |
| SHA512 | 18b6879abdc2fb03d24151b2748cab0dc2b0561338f68f575a22a133b3197d5dc1c25cc909da0b50d6c04c7a10749b9e1194e2644c8c7625ddf370a94c50787f |
memory/460-18-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/460-19-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/460-20-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/460-17-0x0000000004D80000-0x00000000053A8000-memory.dmp
memory/460-21-0x0000000004BB0000-0x0000000004BD2000-memory.dmp
memory/460-23-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/460-22-0x0000000005420000-0x0000000005486000-memory.dmp
memory/4324-24-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t1uvphcd.viv.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4324-37-0x00000000015B0000-0x00000000018FA000-memory.dmp
memory/1876-36-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/460-35-0x00000000056B0000-0x0000000005A04000-memory.dmp
memory/460-38-0x0000000005C60000-0x0000000005C7E000-memory.dmp
memory/460-39-0x0000000005CE0000-0x0000000005D2C000-memory.dmp
memory/460-40-0x000000007F3E0000-0x000000007F3F0000-memory.dmp
memory/460-41-0x0000000006DF0000-0x0000000006E22000-memory.dmp
memory/460-42-0x00000000752E0000-0x000000007532C000-memory.dmp
memory/460-53-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/460-54-0x0000000006E30000-0x0000000006E4E000-memory.dmp
memory/460-52-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/460-55-0x0000000006E60000-0x0000000006F03000-memory.dmp
memory/460-56-0x00000000075E0000-0x0000000007C5A000-memory.dmp
memory/460-57-0x0000000006F90000-0x0000000006FAA000-memory.dmp
memory/460-58-0x0000000007000000-0x000000000700A000-memory.dmp
memory/460-59-0x0000000007210000-0x00000000072A6000-memory.dmp
memory/460-60-0x0000000007190000-0x00000000071A1000-memory.dmp
memory/460-61-0x00000000071C0000-0x00000000071CE000-memory.dmp
memory/460-62-0x00000000071D0000-0x00000000071E4000-memory.dmp
memory/460-63-0x00000000072D0000-0x00000000072EA000-memory.dmp
memory/460-64-0x00000000072B0000-0x00000000072B8000-memory.dmp
memory/460-67-0x0000000074A50000-0x0000000075200000-memory.dmp