formbook | 46af67f4a2a2c3d7bc6d8743941718c5abd1f3cacb0dd08f9a4c24651a843752

General

Target

Foreign Payment swift_pdf.js
Size

342KB
MD5

4e474a544aa97316f1f1ddf56e9c5c70
SHA1

b9775c6cf7a5c6c74b8d9ed1776d35a5a1d8f494
SHA256

46af67f4a2a2c3d7bc6d8743941718c5abd1f3cacb0dd08f9a4c24651a843752
SHA512

4ba58f40318d2582c43e84acb993bb8e9684a3b3955e771043e0742e309020e5482b6aeb5d437dea6c4ecd31ffcf9d6df8693b268c5ac187ba866c4f04d2fbaa
SSDEEP

6144:q8OjK5gRBwhZ2FlbDsmxSvODgTEqEqSMa7Z3tFuQilEI64OHdlG:buKJUlHLxSWDyREqSMstFclEz37G

Score

10^/10

formbook vjw0rm xrob rat spyware stealer trojan worm

Malware Config

Extracted

Family

formbook

Campaign

xrob

Decoy

dV8FCtdWdnfMJ9thh8l/

IJG6Bh4iMeHVBHNp2MrpTA==

NhPKKtmQxnHYF/80

f4M2RhGEf3Ot13+qLrKqxb9f3dXj9Q==

A/689/MibSRBgkPkx07m+H+g

e8OOkUu9y/uYCMsdrR3s0mODmGw3d8t9Og==

gLN5bn+Zq1VQXmOOvw==

NFcQGvViY5sxmkty83Fde4GQhg==

XWMfFSM3f7GT9w==

Ih6vvqf9R8gDObM=

FGAlLASHlpLaUUKUJIwm9ABQ2Js=

v8R615LDC8iWchwv

m+u3rLUxScgDObM=

jc3eahERf7GT9w==

TYNBVDadkpTF76HeNl/rbwWtLSbyPzM=

j6NQmhWeOi2B

aqJocUfM3v97ryScY6EiSMbVyBak

V7nYOyEZKa2J/KKh5RMhJrbyK/eC/Q==

8zPsAt3ejcgDObM=

Rpe+BrGBzpGa9q8FHKpi

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 5 IoCs

flow	pid	Process
4	948	wscript.exe
7	948	wscript.exe
18	948	wscript.exe
30	948	wscript.exe
42	948	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	bin.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International\Geo\Nation	bin.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZilDzmhvTr.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZilDzmhvTr.js	wscript.exe

Loads dropped DLL 1 IoCs

pid	Process
1776	NETSTAT.EXE

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 1380	1748	bin.exe	15
PID 1748 set thread context of 1380	1748	bin.exe	15
PID 1776 set thread context of 1380	1776	NETSTAT.EXE	15

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1776	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1748	bin.exe
1748	bin.exe
1748	bin.exe
1748	bin.exe
1748	bin.exe
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1748	bin.exe
1748	bin.exe
1748	bin.exe
1748	bin.exe
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE
1776	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	bin.exe
Token: SeDebugPrivilege	1776	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 948	1988	wscript.exe	27
PID 1988 wrote to memory of 948	1988	wscript.exe	27
PID 1988 wrote to memory of 948	1988	wscript.exe	27
PID 1988 wrote to memory of 1748	1988	wscript.exe	28
PID 1988 wrote to memory of 1748	1988	wscript.exe	28
PID 1988 wrote to memory of 1748	1988	wscript.exe	28
PID 1988 wrote to memory of 1748	1988	wscript.exe	28
PID 1748 wrote to memory of 1776	1748	bin.exe	32
PID 1748 wrote to memory of 1776	1748	bin.exe	32
PID 1748 wrote to memory of 1776	1748	bin.exe	32
PID 1748 wrote to memory of 1776	1748	bin.exe	32
PID 1776 wrote to memory of 860	1776	NETSTAT.EXE	33
PID 1776 wrote to memory of 860	1776	NETSTAT.EXE	33
PID 1776 wrote to memory of 860	1776	NETSTAT.EXE	33
PID 1776 wrote to memory of 860	1776	NETSTAT.EXE	33
PID 1776 wrote to memory of 860	1776	NETSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1380
- C:\Windows\system32\wscript.exe
  wscript.exe "C:\Users\Admin\AppData\Local\Temp\Foreign Payment swift_pdf.js"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ZilDzmhvTr.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:948
- - C:\Users\Admin\AppData\Local\Temp\bin.exe
    "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      4⤵
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Gathers network information
      Modifies Internet Explorer settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1776
    - - C:\Program Files\Mozilla Firefox\Firefox.exe
        
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        5⤵
        
        PID:860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bin.exe

Filesize
185KB

MD5
26db0806c0871f293a77e5d5676e2fd8

SHA1
7c17ccce454d81bb999c04d45e9e4913969a73ee

SHA256
2c623f8e02e0aef43501e320fd20a3b407dcf35676e6620574bf7e8ce4844e66

SHA512
0dac19dab4827a036a4e42371807639a4c378b440c3edc9ae30171cfb62a894243dc55ad5145434fac384aa37dd32381d148757e35c08300bbfe45c4cb85c09f

Download Submit
C:\Users\Admin\AppData\Local\Temp\bin.exe

Filesize
185KB

MD5
26db0806c0871f293a77e5d5676e2fd8

SHA1
7c17ccce454d81bb999c04d45e9e4913969a73ee

SHA256
2c623f8e02e0aef43501e320fd20a3b407dcf35676e6620574bf7e8ce4844e66

SHA512
0dac19dab4827a036a4e42371807639a4c378b440c3edc9ae30171cfb62a894243dc55ad5145434fac384aa37dd32381d148757e35c08300bbfe45c4cb85c09f

Download Submit
C:\Users\Admin\AppData\Roaming\ZilDzmhvTr.js

Filesize
5KB

MD5
53b05290462c06f2a2989e52d53f6db8

SHA1
e1d348471435c8e436043a1887be65b865081b24

SHA256
2f36773b7bcb196289aaee5a765993bd484665840886645b4998f7a9bc97111c

SHA512
10b650bfb1191c57478f65aa34829a38943b71caedab4ea1844464c6c556dc8cddc9fe875d1c26ae40bec7e369ce2aa742333df68918c4a722bc165e45c7ecf1

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
902KB

MD5
50338cc1fa2582fa0cad8a8fa7ceb4d2

SHA1
ae697ef05b6bec38fb79ff4512ae50a303dcdbce

SHA256
0815a80fa73286d8c6bf0982471c61833821d9f10a20612deaa134562e7a3cda

SHA512
02a006e26b1d08cb53a4b3dab23ce6a6756a7275f8b3ef00b7412f10cff75411685a3542c5dc330dad7c9f7ff26288a2e94254d00bf53c1394e7252e000c9a61

Download Submit
memory/1380-65-0x0000000006A50000-0x0000000006BFA000-memory.dmp

Filesize
1.7MB

Download
memory/1380-77-0x0000000006C00000-0x0000000006CE4000-memory.dmp

Filesize
912KB

Download
memory/1380-73-0x0000000006C00000-0x0000000006CE4000-memory.dmp

Filesize
912KB

Download
memory/1380-63-0x0000000003E80000-0x0000000003FA3000-memory.dmp

Filesize
1.1MB

Download
memory/1748-60-0x0000000000DB0000-0x0000000000DDF000-memory.dmp

Filesize
188KB

Download
memory/1748-64-0x00000000001D0000-0x00000000001E0000-memory.dmp

Filesize
64KB

Download
memory/1748-67-0x0000000000DB0000-0x0000000000DDF000-memory.dmp

Filesize
188KB

Download
memory/1748-62-0x0000000000150000-0x0000000000160000-memory.dmp

Filesize
64KB

Download
memory/1748-61-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/1776-71-0x00000000021B0000-0x00000000024B3000-memory.dmp

Filesize
3.0MB

Download
memory/1776-70-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1776-72-0x0000000001EE0000-0x0000000001F6F000-memory.dmp

Filesize
572KB

Download
memory/1776-69-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download
memory/1776-74-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1776-75-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1988-54-0x000007FEFBF41000-0x000007FEFBF43000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads