Analysis
-
max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
22-07-2021 15:24
Static task
static1
Behavioral task
behavioral1
Sample
0722_0237470224.xls
Resource
win7v20210410
Behavioral task
behavioral2
Sample
0722_0237470224.xls
Resource
win10v20210410
General
-
Target
0722_0237470224.xls
-
Size
343KB
-
MD5
c73029788f2847c8af6a9ba51d88d96f
-
SHA1
87102bbd148bdb4cbe870684e52bcf7263c64301
-
SHA256
76a26e4b4cd690fbf34db54af03d136428b81a9b6f0fb092fcb8c2afff092eb6
-
SHA512
8bf2d113dbada7bd86f894d26f9a581b15c8ea259e0dad30a0908270952c9a9acdf55f0d9b8f200cdcb2909724c0954316eed5664c19ecf104ee5b4dc25e205c
Malware Config
Extracted
hancitor
2207_xwpi67
http://tholeferli.com/8/forum.php
http://aidgodown.ru/8/forum.php
http://relifleappin.ru/8/forum.php
Extracted
fickerstealer
pospvisis.com:80
Signatures
-
Fickerstealer
Ficker is an infostealer written in Rust and ASM.
-
Hancitor
Hancitor is downloader used to deliver other malware families.
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1792 1052 rundll32.exe EXCEL.EXE -
Blocklisted process makes network request 4 IoCs
Processes:
rundll32.exeflow pid process 7 1792 rundll32.exe 9 1792 rundll32.exe 11 1792 rundll32.exe 17 1792 rundll32.exe -
Downloads MZ/PE file
-
Loads dropped DLL 4 IoCs
Processes:
rundll32.exepid process 1792 rundll32.exe 1792 rundll32.exe 1792 rundll32.exe 1792 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 1792 set thread context of 684 1792 rundll32.exe svchost.exe -
Office loads VBA resources, possible macro or embedded object present
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1052 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exesvchost.exepid process 1792 rundll32.exe 1792 rundll32.exe 684 svchost.exe 1792 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1052 EXCEL.EXE 1052 EXCEL.EXE 1052 EXCEL.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
EXCEL.EXErundll32.exedescription pid process target process PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1052 wrote to memory of 1792 1052 EXCEL.EXE rundll32.exe PID 1792 wrote to memory of 684 1792 rundll32.exe svchost.exe PID 1792 wrote to memory of 684 1792 rundll32.exe svchost.exe PID 1792 wrote to memory of 684 1792 rundll32.exe svchost.exe PID 1792 wrote to memory of 684 1792 rundll32.exe svchost.exe PID 1792 wrote to memory of 684 1792 rundll32.exe svchost.exe PID 1792 wrote to memory of 684 1792 rundll32.exe svchost.exe
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\0722_0237470224.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,SHIIJGLGNAB2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe3⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\omsh.dllMD5
7348620f737ec1b0997cae7548344f2c
SHA15550f62fdc0963c331b460f8a967c45d481e505a
SHA2568efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd
SHA512568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6
-
\Users\Admin\AppData\Local\Temp\omsh.dllMD5
7348620f737ec1b0997cae7548344f2c
SHA15550f62fdc0963c331b460f8a967c45d481e505a
SHA2568efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd
SHA512568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6
-
\Users\Admin\AppData\Local\Temp\omsh.dllMD5
7348620f737ec1b0997cae7548344f2c
SHA15550f62fdc0963c331b460f8a967c45d481e505a
SHA2568efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd
SHA512568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6
-
\Users\Admin\AppData\Local\Temp\omsh.dllMD5
7348620f737ec1b0997cae7548344f2c
SHA15550f62fdc0963c331b460f8a967c45d481e505a
SHA2568efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd
SHA512568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6
-
\Users\Admin\AppData\Local\Temp\omsh.dllMD5
7348620f737ec1b0997cae7548344f2c
SHA15550f62fdc0963c331b460f8a967c45d481e505a
SHA2568efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd
SHA512568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6
-
memory/684-73-0x0000000000400000-0x0000000000448000-memory.dmpFilesize
288KB
-
memory/684-76-0x0000000000400000-0x0000000000448000-memory.dmpFilesize
288KB
-
memory/684-74-0x0000000000401480-mapping.dmp
-
memory/1052-61-0x00000000711A1000-0x00000000711A3000-memory.dmpFilesize
8KB
-
memory/1052-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1052-77-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1052-60-0x000000002FEE1000-0x000000002FEE4000-memory.dmpFilesize
12KB
-
memory/1792-70-0x0000000000250000-0x0000000000316000-memory.dmpFilesize
792KB
-
memory/1792-72-0x0000000000130000-0x0000000000131000-memory.dmpFilesize
4KB
-
memory/1792-71-0x0000000000250000-0x000000000025A000-memory.dmpFilesize
40KB
-
memory/1792-64-0x0000000075721000-0x0000000075723000-memory.dmpFilesize
8KB
-
memory/1792-63-0x0000000000000000-mapping.dmp