Analysis
-
max time kernel
100s -
max time network
144s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-07-2021 14:12
Static task
static1
Behavioral task
behavioral1
Sample
0721_7525265361.xls
Resource
win7v20210408
Behavioral task
behavioral2
Sample
0721_7525265361.xls
Resource
win10v20210408
General
-
Target
0721_7525265361.xls
-
Size
387KB
-
MD5
ddfe01c006b3cbf4a6929073e235a8b4
-
SHA1
59b4c1ec4cb1428b812726c00a29aee9138d46b2
-
SHA256
39647d1829fcc16d1e20e0b6ccb582b85ff0a37f8530395628c44eda88542ed3
-
SHA512
48f27d9f21125c49bbd4396b97d9ac69ec363f63c526028fed1734627329d6331332c81a75392807c0d52d1af071bdbee6fa5bce3abe837556d9dcd5885adc1a
Malware Config
Extracted
hancitor
1907_hjfsd
http://thervidolown.com/8/forum.php
http://wiltuslads.ru/8/forum.php
http://anithedtatione.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 664 1944 rundll32.exe EXCEL.EXE -
Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 6 664 rundll32.exe 8 664 rundll32.exe 10 664 rundll32.exe -
Downloads MZ/PE file
-
Loads dropped DLL 4 IoCs
Processes:
rundll32.exepid process 664 rundll32.exe 664 rundll32.exe 664 rundll32.exe 664 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 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 664 set thread context of 1212 664 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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1944 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
rundll32.exesvchost.exepid process 664 rundll32.exe 664 rundll32.exe 1212 svchost.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1944 EXCEL.EXE 1944 EXCEL.EXE 1944 EXCEL.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
EXCEL.EXErundll32.exedescription pid process target process PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 1944 wrote to memory of 664 1944 EXCEL.EXE rundll32.exe PID 664 wrote to memory of 1212 664 rundll32.exe svchost.exe PID 664 wrote to memory of 1212 664 rundll32.exe svchost.exe PID 664 wrote to memory of 1212 664 rundll32.exe svchost.exe PID 664 wrote to memory of 1212 664 rundll32.exe svchost.exe PID 664 wrote to memory of 1212 664 rundll32.exe svchost.exe PID 664 wrote to memory of 1212 664 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\0721_7525265361.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:664 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe3⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1212
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
24190cd699631d16521dfb588b2571a3
SHA1546a86929e82babd0ee6f970d7729e3bf6a14698
SHA25699c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21
-
MD5
24190cd699631d16521dfb588b2571a3
SHA1546a86929e82babd0ee6f970d7729e3bf6a14698
SHA25699c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21
-
MD5
24190cd699631d16521dfb588b2571a3
SHA1546a86929e82babd0ee6f970d7729e3bf6a14698
SHA25699c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21
-
MD5
24190cd699631d16521dfb588b2571a3
SHA1546a86929e82babd0ee6f970d7729e3bf6a14698
SHA25699c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21
-
MD5
24190cd699631d16521dfb588b2571a3
SHA1546a86929e82babd0ee6f970d7729e3bf6a14698
SHA25699c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21