Analysis Overview
SHA256
27e944668c75a6ccd01bb5e97ee645132f8fbfd90da6a9380a92eb51f7827905
Threat Level: Known bad
The file 6fa3640b87e3fc4235541f837ce809f0 was found to be: Known bad.
Malicious Activity Summary
Ardamax main executable
Ardamax
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Checks installed software on the system
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-22 14:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-22 14:17
Reported
2024-01-22 14:19
Platform
win7-20231215-en
Max time kernel
119s
Max time network
119s
Command Line
Signatures
Ardamax
Ardamax main executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HOKL Agent = "C:\\Windows\\SysWOW64\\28463\\HOKL.exe" | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\28463\HOKL.001 | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\HOKL.006 | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\HOKL.007 | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\HOKL.exe | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\28463 | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1900 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
| PID 1900 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
| PID 1900 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
| PID 1900 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe
"C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe"
C:\Windows\SysWOW64\28463\HOKL.exe
"C:\Windows\system32\28463\HOKL.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\@A9B.tmp
| MD5 | c3679c3ff636d1a6b8c65323540da371 |
| SHA1 | d184758721a426467b687bec2a4acc80fe44c6f8 |
| SHA256 | d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb |
| SHA512 | 494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7 |
C:\Windows\SysWOW64\28463\HOKL.exe
| MD5 | 17535dddecf8cb1efdba1f1952126547 |
| SHA1 | a862a9a3eb6c201751be1038537522a5281ea6cb |
| SHA256 | 1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd |
| SHA512 | b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8 |
\Windows\SysWOW64\28463\HOKL.006
| MD5 | 43f02e9974b1477c1e6388882f233db0 |
| SHA1 | f3e27b231193f8d5b2e1b09d05ae3a62795cf339 |
| SHA256 | 3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba |
| SHA512 | e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f |
\Windows\SysWOW64\28463\HOKL.007
| MD5 | b5a87d630436f958c6e1d82d15f98f96 |
| SHA1 | d3ff5e92198d4df0f98a918071aca53550bf1cff |
| SHA256 | a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2 |
| SHA512 | fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce |
memory/2208-22-0x0000000000250000-0x0000000000251000-memory.dmp
C:\Windows\SysWOW64\28463\HOKL.001
| MD5 | b25268c585d62811e37981077ac364dd |
| SHA1 | edbda834345b40b89a158e4118776e70939ffef1 |
| SHA256 | 54a3959108737215b9ba183902ac45bd2e204007e66de339bee6cf058a848d11 |
| SHA512 | a8d18a4c037bc2d98d3258567eda8da2abbadaab499b154158b86bef1d76e888d623bdb2a3b8f6c10313a30675c3f2c3cd432f854dc4013057e0622066922bec |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-22 14:17
Reported
2024-01-22 14:19
Platform
win10v2004-20231222-en
Max time kernel
93s
Max time network
149s
Command Line
Signatures
Ardamax
Ardamax main executable
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HOKL Agent = "C:\\Windows\\SysWOW64\\28463\\HOKL.exe" | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\28463\HOKL.001 | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\HOKL.006 | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\HOKL.007 | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\HOKL.exe | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\28463 | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\HOKL.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2996 wrote to memory of 4412 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
| PID 2996 wrote to memory of 4412 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
| PID 2996 wrote to memory of 4412 | N/A | C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe | C:\Windows\SysWOW64\28463\HOKL.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe
"C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe"
C:\Windows\SysWOW64\28463\HOKL.exe
"C:\Windows\system32\28463\HOKL.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\@50FE.tmp
| MD5 | c3679c3ff636d1a6b8c65323540da371 |
| SHA1 | d184758721a426467b687bec2a4acc80fe44c6f8 |
| SHA256 | d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb |
| SHA512 | 494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7 |
C:\Windows\SysWOW64\28463\HOKL.exe
| MD5 | 7b4a7886f756a0d4d968bf4f1b9743d7 |
| SHA1 | 6e4119b2deb064e4c21d2469d3d49c8cd7238dbe |
| SHA256 | 01dfe6bf3decb0445791ec01c0c5e02e8ad37a5a6e43a1a9d2178ffb0a0ac4e7 |
| SHA512 | 4afd9d55b64d1411934f8680d81af854bf0416030395ac77e2192b8cf28391a181c6941eebf0ec7d3dfe4fe5ffdae6614d35870d0ba857074b7a9327a29b3ebb |
C:\Windows\SysWOW64\28463\HOKL.exe
| MD5 | 0b4f8268577045d4198ca314ef419435 |
| SHA1 | 06fd0d70b652830eef3e6022f2b4ac56d96cf694 |
| SHA256 | 6d65cdd37ba2acbda1c77824a5a59c55f574c2ec230ab5130b4d76bf3d07e29a |
| SHA512 | ff3aa38c664eba3d9564de3373d0d562559d74f65f6a1b2bc2f765d926f34ef808c6af78808a149bb42ea09d82a8a247c04284db52691dd8ad9bf53eded26143 |
C:\Windows\SysWOW64\28463\HOKL.exe
| MD5 | 145b2fc041b36d626097991d04523718 |
| SHA1 | 59447ef7b56d5258d6eec5f474e85c32d7bab410 |
| SHA256 | d08858109a542118d3367686157b9c8d7689f8ba318334475600db2bdb77eeea |
| SHA512 | c9c8fa7cf93f71ef0905526c3a0abe3b7c8b66cbddede0aae72a94667ac5263e013e1232ff1472d9c0bb1522e8fb442a3c3ad2d955eda8d9441ccbd88c84d7fe |
C:\Windows\SysWOW64\28463\HOKL.007
| MD5 | b5a87d630436f958c6e1d82d15f98f96 |
| SHA1 | d3ff5e92198d4df0f98a918071aca53550bf1cff |
| SHA256 | a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2 |
| SHA512 | fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce |
C:\Windows\SysWOW64\28463\HOKL.006
| MD5 | 43f02e9974b1477c1e6388882f233db0 |
| SHA1 | f3e27b231193f8d5b2e1b09d05ae3a62795cf339 |
| SHA256 | 3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba |
| SHA512 | e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f |
memory/4412-21-0x0000000000A70000-0x0000000000A71000-memory.dmp
C:\Windows\SysWOW64\28463\HOKL.001
| MD5 | b25268c585d62811e37981077ac364dd |
| SHA1 | edbda834345b40b89a158e4118776e70939ffef1 |
| SHA256 | 54a3959108737215b9ba183902ac45bd2e204007e66de339bee6cf058a848d11 |
| SHA512 | a8d18a4c037bc2d98d3258567eda8da2abbadaab499b154158b86bef1d76e888d623bdb2a3b8f6c10313a30675c3f2c3cd432f854dc4013057e0622066922bec |
memory/4412-25-0x0000000000A70000-0x0000000000A71000-memory.dmp