Malware Analysis Report

2025-01-02 18:16

Sample ID 210721-2dnw6ptgyx
Target 0721_6141824377.xls
SHA256 e746a6d562555f4d2f840727c9a9f8967dddcf100bd8d5f48a6209b76dd43375
Tags
macro macro_on_action fickerstealer hancitor 1907_hjfsd downloader infostealer spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e746a6d562555f4d2f840727c9a9f8967dddcf100bd8d5f48a6209b76dd43375

Threat Level: Known bad

The file 0721_6141824377.xls was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action fickerstealer hancitor 1907_hjfsd downloader infostealer spyware stealer

Process spawned unexpected child process

Fickerstealer

Hancitor

Suspicious Office macro

Blocklisted process makes network request

Office macro that triggers on suspicious action

Downloads MZ/PE file

Loads dropped DLL

Reads local data of messenger clients

Looks up external IP address via web service

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Office loads VBA resources, possible macro or embedded object present

NTFS ADS

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-07-21 14:49

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

macro
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-07-21 14:49

Reported

2021-07-21 14:54

Platform

win7v20210408

Max time kernel

186s

Max time network

293s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\0721_6141824377.xls

Signatures

Fickerstealer

infostealer fickerstealer

Hancitor

downloader hancitor

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\rundll32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Reads local data of messenger clients

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1668 set thread context of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\svchost.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
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" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
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" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
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" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 1668 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1668 wrote to memory of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 1340 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\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_6141824377.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX

C:\Windows\SysWOW64\svchost.exe

C:\Windows\System32\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 50.16.238.218:80 api.ipify.org tcp
N/A 8.8.8.8:53 thervidolown.com udp
N/A 85.10.222.114:80 thervidolown.com tcp
N/A 8.8.8.8:53 falan4zadron.ru udp
N/A 8.211.241.0:80 falan4zadron.ru tcp
N/A 50.16.238.218:80 api.ipify.org tcp
N/A 8.8.8.8:53 pospvisis.com udp
N/A 95.213.179.67:80 pospvisis.com tcp
N/A 95.213.179.67:80 pospvisis.com tcp
N/A 85.10.222.114:80 thervidolown.com tcp

Files

memory/1796-60-0x000000002F861000-0x000000002F864000-memory.dmp

memory/1796-61-0x0000000071B81000-0x0000000071B83000-memory.dmp

memory/1796-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1668-63-0x0000000000000000-mapping.dmp

memory/1668-64-0x0000000076A01000-0x0000000076A03000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

memory/1668-70-0x0000000000180000-0x0000000000250000-memory.dmp

\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

memory/1796-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1668-72-0x0000000000180000-0x000000000018A000-memory.dmp

memory/1668-73-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/1340-74-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1340-75-0x0000000000401480-mapping.dmp

memory/1340-77-0x0000000000400000-0x0000000000448000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-07-21 14:49

Reported

2021-07-21 14:54

Platform

win10v20210410

Max time kernel

300s

Max time network

288s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0721_6141824377.xls"

Signatures

Hancitor

downloader hancitor

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\rundll32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

NTFS ADS

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Local\Temp\{CBA7CD61-7222-46FE-B0E4-A482EBE19E5A}\123.dll:Zone.Identifier C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0721_6141824377.xls"

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX

C:\Windows\SysWOW64\svchost.exe

C:\Windows\System32\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.173.155:80 api.ipify.org tcp
N/A 8.8.8.8:53 thervidolown.com udp
N/A 85.10.222.114:80 thervidolown.com tcp
N/A 8.8.8.8:53 falan4zadron.ru udp
N/A 8.211.241.0:80 falan4zadron.ru tcp
N/A 85.10.222.114:80 thervidolown.com tcp
N/A 8.8.8.8:53 udp
N/A 52.114.32.25:443 tcp

Files

memory/3424-114-0x00007FF6D81B0000-0x00007FF6DB766000-memory.dmp

memory/3424-115-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-116-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-117-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-118-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-121-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-122-0x00007FF8305D0000-0x00007FF8316BE000-memory.dmp

memory/3424-123-0x00007FF82E6D0000-0x00007FF8305C5000-memory.dmp

memory/3384-278-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

memory/1652-283-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

memory/1652-295-0x0000000003160000-0x0000000003230000-memory.dmp

\Users\Admin\AppData\Local\Temp\omsh.dll

MD5 24190cd699631d16521dfb588b2571a3
SHA1 546a86929e82babd0ee6f970d7729e3bf6a14698
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
SHA512 fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

memory/3424-330-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-331-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-332-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/3424-333-0x00007FF810580000-0x00007FF810590000-memory.dmp

memory/1652-334-0x0000000003160000-0x000000000316A000-memory.dmp

memory/1652-335-0x0000000003161000-0x0000000003182000-memory.dmp

memory/1652-336-0x0000000002ED0000-0x000000000301A000-memory.dmp