Analysis
-
max time kernel
158s -
max time network
177s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-04-2024 19:46
Static task
static1
Behavioral task
behavioral1
Sample
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe
Resource
win10v2004-20240226-en
General
-
Target
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe
-
Size
406KB
-
MD5
078aba95aa7a5f290cef84ed464f3577
-
SHA1
64bbc09de5c653d4a7e27fa5099cd94ebd4d3c48
-
SHA256
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55
-
SHA512
07d786712326897bbf1ce17e0b0807a79bf801fc5052f390e0f434a2d9c1868004b8318e78a0d680f1eb5c0aa9249d9706fd08da5aace7c55ef618df9ee86e7c
-
SSDEEP
12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumy:vdE3sJd1fm/+yb3OYg84/JHJ
Malware Config
Signatures
-
Detects executables containing base64 encoded User Agent 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2624-20-0x0000000010000000-0x0000000010033000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2624-24-0x0000000010000000-0x0000000010033000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2624-28-0x0000000010000000-0x0000000010033000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent -
UPX dump on OEP (original entry point) 7 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\sqkcf.exe UPX \??\c:\Program Files\zubfwqvz\hphzb.dll UPX behavioral1/memory/2624-18-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral1/memory/2624-19-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral1/memory/2624-20-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral1/memory/2624-24-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral1/memory/2624-28-0x0000000010000000-0x0000000010033000-memory.dmp UPX -
Deletes itself 1 IoCs
Processes:
sqkcf.exepid process 3008 sqkcf.exe -
Executes dropped EXE 2 IoCs
Processes:
sqkcf.exehphz.exepid process 3008 sqkcf.exe 2624 hphz.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exesqkcf.exehphz.exepid process 2240 cmd.exe 2240 cmd.exe 3008 sqkcf.exe 2624 hphz.exe 2624 hphz.exe 2624 hphz.exe 2624 hphz.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
hphz.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\zubfwqvz\\hphz.exe \"c:\\Program Files\\zubfwqvz\\hphzb.dll\",Viewer" hphz.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
hphz.exedescription ioc process File opened (read-only) \??\j: hphz.exe File opened (read-only) \??\n: hphz.exe File opened (read-only) \??\o: hphz.exe File opened (read-only) \??\v: hphz.exe File opened (read-only) \??\w: hphz.exe File opened (read-only) \??\g: hphz.exe File opened (read-only) \??\h: hphz.exe File opened (read-only) \??\i: hphz.exe File opened (read-only) \??\x: hphz.exe File opened (read-only) \??\r: hphz.exe File opened (read-only) \??\a: hphz.exe File opened (read-only) \??\m: hphz.exe File opened (read-only) \??\q: hphz.exe File opened (read-only) \??\t: hphz.exe File opened (read-only) \??\u: hphz.exe File opened (read-only) \??\z: hphz.exe File opened (read-only) \??\b: hphz.exe File opened (read-only) \??\p: hphz.exe File opened (read-only) \??\s: hphz.exe File opened (read-only) \??\y: hphz.exe File opened (read-only) \??\e: hphz.exe File opened (read-only) \??\k: hphz.exe File opened (read-only) \??\l: hphz.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
hphz.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 hphz.exe -
Drops file in Program Files directory 4 IoCs
Processes:
sqkcf.exedescription ioc process File opened for modification \??\c:\Program Files\zubfwqvz sqkcf.exe File created \??\c:\Program Files\zubfwqvz\hphzb.dll sqkcf.exe File created \??\c:\Program Files\zubfwqvz\hphz.exe sqkcf.exe File opened for modification \??\c:\Program Files\zubfwqvz\hphz.exe sqkcf.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
hphz.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 hphz.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString hphz.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
hphz.exepid process 2624 hphz.exe 2624 hphz.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
hphz.exedescription pid process Token: SeDebugPrivilege 2624 hphz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exesqkcf.exepid process 2312 2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe 3008 sqkcf.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.execmd.exesqkcf.exedescription pid process target process PID 2312 wrote to memory of 2240 2312 2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe cmd.exe PID 2312 wrote to memory of 2240 2312 2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe cmd.exe PID 2312 wrote to memory of 2240 2312 2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe cmd.exe PID 2312 wrote to memory of 2240 2312 2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe cmd.exe PID 2240 wrote to memory of 2100 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2100 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2100 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2100 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 3008 2240 cmd.exe sqkcf.exe PID 2240 wrote to memory of 3008 2240 cmd.exe sqkcf.exe PID 2240 wrote to memory of 3008 2240 cmd.exe sqkcf.exe PID 2240 wrote to memory of 3008 2240 cmd.exe sqkcf.exe PID 3008 wrote to memory of 2624 3008 sqkcf.exe hphz.exe PID 3008 wrote to memory of 2624 3008 sqkcf.exe hphz.exe PID 3008 wrote to memory of 2624 3008 sqkcf.exe hphz.exe PID 3008 wrote to memory of 2624 3008 sqkcf.exe hphz.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sqkcf.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2100
-
-
C:\Users\Admin\AppData\Local\Temp\sqkcf.exeC:\Users\Admin\AppData\Local\Temp\\sqkcf.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3008 -
\??\c:\Program Files\zubfwqvz\hphz.exe"c:\Program Files\zubfwqvz\hphz.exe" "c:\Program Files\zubfwqvz\hphzb.dll",Viewer C:\Users\Admin\AppData\Local\Temp\sqkcf.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624
-
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
89KB
MD55d7d0668ea7ade88dcc7538bf84d960c
SHA1a73ede4faf72fd11ea782a9197d8f4ee45725920
SHA2567c2a704d71f83f868fb06da2eea807befc24b989340a093dc9216b05b5c5f781
SHA512c6816fcaaa80427bd085e23e4e107c65e6c2dfe106c7cf890dbaca81c35040704f798d7329fea7868d6135a18c4f458aa15b8fc2c6e00ae8c22e72dd8bf2430c
-
Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
-
Filesize
406KB
MD5a1eecb011f2048f1ee022ab616d53ebd
SHA1a2b831bbfdf4afdfef97599beee39b043d321daf
SHA256bd0ec41d7237d36cd5295f10b9ca2e4c2e6d75ffeb70b2b530be8f6d2417c3fe
SHA512c3b511ecb613d17c2e5b1889b82a5d758415e8c8445c389d8621faf9c38153cfe1c4fdd197e9a9284fa15e9e7cc61d194566b6e2ac4d97f31379e4b0ba6ca1ca