formbook | 0826413d723b10e17cb362a1e0986f6687243c1638be1bac356baa5eff6a0847

General

Target

Confirm Proforma Invoice.exe
Size

439KB
MD5

c8c984aa8535536070c90dda6d6a46a8
SHA1

431ed99f88f68b9933fbf8b642c44150565852b8
SHA256

a344590804a69e6f50c2386206d5d050db788fcd42716d1c14f77ba501e63d4e
SHA512

14d10fab4f19796e53e2075bc9b27df8f217af28d97ea250f2ae5f83421bb568bd3a58888e89ad036a4b5a4a2d3d388ffbd4f914c6f9c28e7c165f487a47c5c9
SSDEEP

12288:OCv2zv1grDRQiSSJWP7BCBkNAUqIwrk6WjL2iN:OV212BCmNAUarqn1

Score

10^/10

formbook rwo discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rwo

Decoy

highjinxed.com

adwawattan.com

alimitlesslifeinc.com

advancedtelecom.net

metrocommunitycollege.com

modboutik.com

myfavoritethemepark.com

slimwasit.com

curlygirlrizos.com

nyshuffle.com

allovermeofficial.com

bugsy67.com

simcardtonewow.com

onlinepaints.xyz

epoxykingsofamerica.com

cbdstrata.com

liceremovalbellevue.com

bj5w.xyz

lalalae.com

glory-made.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1260-15-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1260-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1260 set thread context of 1188	1260	vbc.exe	21
PID 2776 set thread context of 1188	2776	ipconfig.exe	21

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Confirm Proforma Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2776	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1260	vbc.exe
1260	vbc.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1260	vbc.exe
1260	vbc.exe
1260	vbc.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe
2776	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	vbc.exe
Token: SeDebugPrivilege	2776	ipconfig.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1736 wrote to memory of 1260	1736	Confirm Proforma Invoice.exe	31
PID 1188 wrote to memory of 2776	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2776	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2776	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2776	1188	Explorer.EXE	32
PID 2776 wrote to memory of 540	2776	ipconfig.exe	33
PID 2776 wrote to memory of 540	2776	ipconfig.exe	33
PID 2776 wrote to memory of 540	2776	ipconfig.exe	33
PID 2776 wrote to memory of 540	2776	ipconfig.exe	33
PID 2776 wrote to memory of 540	2776	ipconfig.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\Confirm Proforma Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirm Proforma Invoice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1260
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1188-21-0x0000000006930000-0x0000000006A84000-memory.dmp

Filesize
1.3MB

Download
memory/1188-27-0x0000000006930000-0x0000000006A84000-memory.dmp

Filesize
1.3MB

Download
memory/1260-20-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/1260-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1260-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1260-17-0x0000000000CE0000-0x0000000000FE3000-memory.dmp

Filesize
3.0MB

Download
memory/1260-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1260-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1260-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1736-7-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1736-8-0x0000000000DA0000-0x0000000000DD6000-memory.dmp

Filesize
216KB

Download
memory/1736-3-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-6-0x0000000000890000-0x00000000008E6000-memory.dmp

Filesize
344KB

Download
memory/1736-16-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-5-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/1736-4-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/1736-2-0x0000000000210000-0x0000000000228000-memory.dmp

Filesize
96KB

Download
memory/1736-1-0x00000000013E0000-0x0000000001454000-memory.dmp

Filesize
464KB

Download
memory/2776-22-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download
memory/2776-23-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download

Analysis

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