Analysis
-
max time kernel
15s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 16:13
Behavioral task
behavioral1
Sample
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe
Resource
win7-20241010-en
General
-
Target
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe
-
Size
5.8MB
-
MD5
c3305288974f4c07c89901405701730c
-
SHA1
711c12e57930f2d0777b2d87995d826817159d58
-
SHA256
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b
-
SHA512
eac2a2beacf21523cd42685acec56c2ab148baa87653bc0a155dee916c8174c670d2461a44ad4124260cc8d5d5e3beedc375aebf810a3c1aef6e319e0c8271f6
-
SSDEEP
98304:adE1MdE1MdE1MdE1GdE1MdE1MdE1MdE1UdE1MdE1MdE1MdE1GdE1MdE1MdE1MdEf:OWAWAWAWyWAWAWAWIWAWAWAWyWAWAWAs
Malware Config
Signatures
-
Blackmoon family
-
Detect Blackmoon payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2328-4-0x0000000000400000-0x00000000004B0000-memory.dmp family_blackmoon behavioral1/memory/2976-12-0x0000000000400000-0x00000000004B0000-memory.dmp family_blackmoon behavioral1/memory/2852-15-0x0000000000400000-0x00000000004B0000-memory.dmp family_blackmoon -
Executes dropped EXE 2 IoCs
Processes:
vbygfc.exevbygfc.exepid Process 2976 vbygfc.exe 2852 vbygfc.exe -
Loads dropped DLL 4 IoCs
Processes:
cmd.exeWerFault.exepid Process 652 cmd.exe 652 cmd.exe 2904 WerFault.exe 2904 WerFault.exe -
Drops file in System32 directory 1 IoCs
Processes:
vbygfc.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat vbygfc.exe -
Processes:
resource yara_rule behavioral1/memory/2328-0-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/2328-4-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/files/0x00080000000170f8-5.dat upx behavioral1/memory/2852-11-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/2976-12-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/2852-15-0x0000000000400000-0x00000000004B0000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exedescription ioc Process File opened for modification \??\c:\windows\fonts\zghfayn\vbygfc.exe 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe File created \??\c:\windows\fonts\zghfayn\vbygfc.exe 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2904 2852 WerFault.exe 33 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.execmd.exePING.EXEvbygfc.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbygfc.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid Process 652 cmd.exe 792 PING.EXE -
Modifies data under HKEY_USERS 24 IoCs
Processes:
vbygfc.exedescription ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" vbygfc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE6263A1-06FD-4E2A-AB21-271BB819880E} vbygfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE6263A1-06FD-4E2A-AB21-271BB819880E}\WpadNetworkName = "Network 3" vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE6263A1-06FD-4E2A-AB21-271BB819880E}\9a-21-d9-c7-84-e3 vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings vbygfc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ vbygfc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE6263A1-06FD-4E2A-AB21-271BB819880E}\WpadDecisionReason = "1" vbygfc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE6263A1-06FD-4E2A-AB21-271BB819880E}\WpadDecisionTime = b0777abcc23ddb01 vbygfc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE6263A1-06FD-4E2A-AB21-271BB819880E}\WpadDecision = "0" vbygfc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-21-d9-c7-84-e3\WpadDecisionReason = "1" vbygfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" vbygfc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vbygfc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-21-d9-c7-84-e3\WpadDecisionTime = b0777abcc23ddb01 vbygfc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-21-d9-c7-84-e3\WpadDecision = "0" vbygfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections vbygfc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vbygfc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-21-d9-c7-84-e3 vbygfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" vbygfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings vbygfc.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exevbygfc.exevbygfc.exepid Process 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2976 vbygfc.exe 2976 vbygfc.exe 2976 vbygfc.exe 2976 vbygfc.exe 2976 vbygfc.exe 2976 vbygfc.exe 2976 vbygfc.exe 2852 vbygfc.exe 2852 vbygfc.exe 2852 vbygfc.exe 2852 vbygfc.exe 2852 vbygfc.exe 2852 vbygfc.exe 2852 vbygfc.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exepid Process 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exevbygfc.exevbygfc.exedescription pid Process Token: SeDebugPrivilege 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe Token: SeDebugPrivilege 2976 vbygfc.exe Token: SeDebugPrivilege 2852 vbygfc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exevbygfc.exevbygfc.exepid Process 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 2976 vbygfc.exe 2852 vbygfc.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.execmd.exevbygfc.exedescription pid Process procid_target PID 2328 wrote to memory of 652 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 29 PID 2328 wrote to memory of 652 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 29 PID 2328 wrote to memory of 652 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 29 PID 2328 wrote to memory of 652 2328 2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe 29 PID 652 wrote to memory of 792 652 cmd.exe 31 PID 652 wrote to memory of 792 652 cmd.exe 31 PID 652 wrote to memory of 792 652 cmd.exe 31 PID 652 wrote to memory of 792 652 cmd.exe 31 PID 652 wrote to memory of 2976 652 cmd.exe 32 PID 652 wrote to memory of 2976 652 cmd.exe 32 PID 652 wrote to memory of 2976 652 cmd.exe 32 PID 652 wrote to memory of 2976 652 cmd.exe 32 PID 2852 wrote to memory of 2904 2852 vbygfc.exe 34 PID 2852 wrote to memory of 2904 2852 vbygfc.exe 34 PID 2852 wrote to memory of 2904 2852 vbygfc.exe 34 PID 2852 wrote to memory of 2904 2852 vbygfc.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe"C:\Users\Admin\AppData\Local\Temp\2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\cmd.execmd /c ping 127.0.0.1 -n 5 & Start c:\windows\fonts\zghfayn\vbygfc.exe2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 53⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:792
-
-
\??\c:\windows\fonts\zghfayn\vbygfc.exec:\windows\fonts\zghfayn\vbygfc.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2976
-
-
-
\??\c:\windows\fonts\zghfayn\vbygfc.exec:\windows\fonts\zghfayn\vbygfc.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 6762⤵
- Loads dropped DLL
- Program crash
PID:2904
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
5.9MB
MD51cabb814e5b94cad5e866867b37fa664
SHA129db33c0382bf83005e8c2615a77756ae65c61ea
SHA256d255c625e7876e0c18d9369bd0d16855b84f75b4756813b89398b9dff5dabeec
SHA51237ede7c4c439bf1b89a9795077ea8005fe47bb78f0d56199dae81090c9048edeb70c0e906c623916bf04debb85cf13530641a8c4139d76eda69794c1a732df3c