formbook | fd17ece8790f81e739ee15c20eb190341203a63f2c83b3f9eeecaed9e408497c

General

Target

REQUEST FOR QUOTE.doc
Size

31KB
MD5

d4acf465341a32fb6aa5743a75957148
SHA1

f9e1c6c655fa31e6653997f818a88282e918fb1a
SHA256

f5ec49a46ce3250a7c89ff0c24c2a32645e1a1cf58266252b850e5b675af8b1e
SHA512

805bcc3f9ef890eb03f2a4b5f31477fd39712fe3b9a827d19e08973b82806013c5a1d6d1ba0e083861a5bc6167f6bf49977305c2236cedfbbeb345c4ae8aebb8

Score

10^/10

formbook vngb rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

vngb

C2

http://www.gvlc0.club/vngb/

Decoy

omertalasvegas.com

payyep.com

modasportss.com

gestionestrategicadl.com

teamolemiss.club

geektranslate.com

versatileventure.com

athletic-hub.com

vitanovaretreats.com

padison8t.com

tutoeasy.com

ediblewholesale.com

kangrungao.com

satode.com

prohibitionfeeds.com

getmorevacations.com

blinkworldbeauty.com

kdlabsallr.com

almanasef.com

transportationservicellc.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/872-80-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/872-81-0x000000000041F0E0-mapping.dmp	formbook
behavioral1/memory/1004-89-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

5 1468 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

mpom83671.exempom83671.exempom83671.exempom83671.exe

pid process

1276 mpom83671.exe
1056 mpom83671.exe
1880 mpom83671.exe
872 mpom83671.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1468 EQNEDT32.EXE

flow	pid	process
5	1468	EQNEDT32.EXE

pid	process
1468	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

mpom83671.exempom83671.exesvchost.exe

description	pid	process	target process
PID 1276 set thread context of 872	1276	mpom83671.exe	mpom83671.exe
PID 872 set thread context of 1200	872	mpom83671.exe	Explorer.EXE
PID 1004 set thread context of 1200	1004	svchost.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1468 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1468	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
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"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.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"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

800 WINWORD.EXE

pid	process
800	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

mpom83671.exempom83671.exesvchost.exe

pid	process
1276	mpom83671.exe
1276	mpom83671.exe
1276	mpom83671.exe
1276	mpom83671.exe
872	mpom83671.exe
872	mpom83671.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mpom83671.exesvchost.exe

pid process

872 mpom83671.exe
872 mpom83671.exe
872 mpom83671.exe
1004 svchost.exe
1004 svchost.exe

pid	process
1200	Explorer.EXE

pid	process
872	mpom83671.exe
872	mpom83671.exe
872	mpom83671.exe
1004	svchost.exe
1004	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

mpom83671.exempom83671.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1276	mpom83671.exe
Token: SeDebugPrivilege	872	mpom83671.exe
Token: SeDebugPrivilege	1004	svchost.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

800 WINWORD.EXE
800 WINWORD.EXE

pid	process
800	WINWORD.EXE
800	WINWORD.EXE

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEmpom83671.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1468 wrote to memory of 1276	1468	EQNEDT32.EXE	mpom83671.exe
PID 1468 wrote to memory of 1276	1468	EQNEDT32.EXE	mpom83671.exe
PID 1468 wrote to memory of 1276	1468	EQNEDT32.EXE	mpom83671.exe
PID 1468 wrote to memory of 1276	1468	EQNEDT32.EXE	mpom83671.exe
PID 800 wrote to memory of 740	800	WINWORD.EXE	splwow64.exe
PID 800 wrote to memory of 740	800	WINWORD.EXE	splwow64.exe
PID 800 wrote to memory of 740	800	WINWORD.EXE	splwow64.exe
PID 800 wrote to memory of 740	800	WINWORD.EXE	splwow64.exe
PID 1276 wrote to memory of 1056	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1056	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1056	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1056	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1880	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1880	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1880	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 1880	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1276 wrote to memory of 872	1276	mpom83671.exe	mpom83671.exe
PID 1200 wrote to memory of 1004	1200	Explorer.EXE	svchost.exe
PID 1200 wrote to memory of 1004	1200	Explorer.EXE	svchost.exe
PID 1200 wrote to memory of 1004	1200	Explorer.EXE	svchost.exe
PID 1200 wrote to memory of 1004	1200	Explorer.EXE	svchost.exe
PID 1004 wrote to memory of 1364	1004	svchost.exe	cmd.exe
PID 1004 wrote to memory of 1364	1004	svchost.exe	cmd.exe
PID 1004 wrote to memory of 1364	1004	svchost.exe	cmd.exe
PID 1004 wrote to memory of 1364	1004	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
  "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTE.doc"
  2⤵
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:800
- - C:\Windows\splwow64.exe
    C:\Windows\splwow64.exe 12288
    3⤵
    PID:740
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Roaming\mpom83671.exe"
    3⤵
    PID:1364

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Users\Admin\AppData\Roaming\mpom83671.exe
  "C:\Users\Admin\AppData\Roaming\mpom83671.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Users\Admin\AppData\Roaming\mpom83671.exe
    "C:\Users\Admin\AppData\Roaming\mpom83671.exe"
    3⤵
    - Executes dropped EXE
    PID:1056
- - C:\Users\Admin\AppData\Roaming\mpom83671.exe
    "C:\Users\Admin\AppData\Roaming\mpom83671.exe"
    3⤵
    - Executes dropped EXE
    PID:1880
- - C:\Users\Admin\AppData\Roaming\mpom83671.exe
    "C:\Users\Admin\AppData\Roaming\mpom83671.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\mpom83671.exe

MD5
f6f1800d0147b3bbc7b32048e4da21d2

SHA1
8bd76892daa48782a8571491ed299477d150bbf1

SHA256
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138

SHA512
03b39b72a80db236c122b31cd2aaa593e287e53ffc1d31f5b2106e99987efc8d19a7a9ddf3fb7a040726e46e5f550fffac635f06502395ed10cc24e18274d02c

Download Submit
C:\Users\Admin\AppData\Roaming\mpom83671.exe

MD5
f6f1800d0147b3bbc7b32048e4da21d2

SHA1
8bd76892daa48782a8571491ed299477d150bbf1

SHA256
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138

SHA512
03b39b72a80db236c122b31cd2aaa593e287e53ffc1d31f5b2106e99987efc8d19a7a9ddf3fb7a040726e46e5f550fffac635f06502395ed10cc24e18274d02c

Download Submit
C:\Users\Admin\AppData\Roaming\mpom83671.exe

MD5
f6f1800d0147b3bbc7b32048e4da21d2

SHA1
8bd76892daa48782a8571491ed299477d150bbf1

SHA256
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138

SHA512
03b39b72a80db236c122b31cd2aaa593e287e53ffc1d31f5b2106e99987efc8d19a7a9ddf3fb7a040726e46e5f550fffac635f06502395ed10cc24e18274d02c

Download Submit
C:\Users\Admin\AppData\Roaming\mpom83671.exe

MD5
f6f1800d0147b3bbc7b32048e4da21d2

SHA1
8bd76892daa48782a8571491ed299477d150bbf1

SHA256
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138

SHA512
03b39b72a80db236c122b31cd2aaa593e287e53ffc1d31f5b2106e99987efc8d19a7a9ddf3fb7a040726e46e5f550fffac635f06502395ed10cc24e18274d02c

Download Submit
C:\Users\Admin\AppData\Roaming\mpom83671.exe

MD5
f6f1800d0147b3bbc7b32048e4da21d2

SHA1
8bd76892daa48782a8571491ed299477d150bbf1

SHA256
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138

SHA512
03b39b72a80db236c122b31cd2aaa593e287e53ffc1d31f5b2106e99987efc8d19a7a9ddf3fb7a040726e46e5f550fffac635f06502395ed10cc24e18274d02c

Download Submit
\Users\Admin\AppData\Roaming\mpom83671.exe

MD5
f6f1800d0147b3bbc7b32048e4da21d2

SHA1
8bd76892daa48782a8571491ed299477d150bbf1

SHA256
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138

SHA512
03b39b72a80db236c122b31cd2aaa593e287e53ffc1d31f5b2106e99987efc8d19a7a9ddf3fb7a040726e46e5f550fffac635f06502395ed10cc24e18274d02c

Download Submit
memory/740-74-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

Filesize
8KB

Download
memory/740-73-0x0000000000000000-mapping.dmp

Download
memory/800-92-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/800-60-0x0000000072041000-0x0000000072044000-memory.dmp

Filesize
12KB

Download
memory/800-63-0x0000000075051000-0x0000000075053000-memory.dmp

Filesize
8KB

Download
memory/800-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/800-61-0x000000006FAC1000-0x000000006FAC3000-memory.dmp

Filesize
8KB

Download
memory/872-84-0x0000000000340000-0x0000000000354000-memory.dmp

Filesize
80KB

Download
memory/872-83-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/872-81-0x000000000041F0E0-mapping.dmp

Download
memory/872-80-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1004-86-0x0000000000000000-mapping.dmp

Download
memory/1004-89-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1004-91-0x00000000007C0000-0x0000000000853000-memory.dmp

Filesize
588KB

Download
memory/1004-90-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/1004-88-0x0000000000A40000-0x0000000000A48000-memory.dmp

Filesize
32KB

Download
memory/1200-93-0x0000000006FB0000-0x00000000070FA000-memory.dmp

Filesize
1.3MB

Download
memory/1200-85-0x0000000003D80000-0x0000000003E5B000-memory.dmp

Filesize
876KB

Download
memory/1276-72-0x0000000000420000-0x0000000000433000-memory.dmp

Filesize
76KB

Download
memory/1276-69-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1276-71-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1276-77-0x0000000004160000-0x000000000419D000-memory.dmp

Filesize
244KB

Download
memory/1276-75-0x00000000050D0000-0x000000000513D000-memory.dmp

Filesize
436KB

Download
memory/1276-66-0x0000000000000000-mapping.dmp

Download
memory/1276-76-0x0000000000440000-0x0000000000442000-memory.dmp

Filesize
8KB

Download
memory/1364-87-0x0000000000000000-mapping.dmp

Download

pid	process
1276	mpom83671.exe
1056	mpom83671.exe
1880	mpom83671.exe
872	mpom83671.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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