formbook | 92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 09:49

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General

Target

92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe
Size

316KB
MD5

3aa0e6e99975a48bcec1d2baf1f7bd36
SHA1

5e49f0fc1f352b896305996dad3c05d8c2e69b21
SHA256

92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37
SHA512

51cfb187147f55699e23e916c98a0bfe129e458ed275ca3ed90efee6bcf922c87d27ed7ed0fb23be7406a8a1a8efa872a1694c5cf379ac95138ff99306cedf20
SSDEEP

6144:HT5V3EklozCalSsWJrzt8ZGEl9BzSPiQ9oRnmU+qJ8gCIMh:HT5V0XCtsyeZHh2PiQ9o/+qJ8gCIMh

Score

10^/10

formbook tu7g rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

tu7g

Decoy

fbbktzFKN8MB1h8=

FPidEXGfkl0WqgXoVhHehw==

iHEjIL7XwJdpN6Er4Evhu03o

fHQTMsjqD3cPpQ==

VDXmCsr22oYhshz/Fg305nF21Q==

j4ZHfk5rRf6tVtwbMRU=

AORqAXKWy4R+//VwFdB6VVk=

9PW0Yw9RkIfer5+/bum7nlxwy1QfDQ==

ZU8mUjRgSOn3d0eFD3puQgVpnaAj

nlHgT2aJaMMB1h8=

+qc6XcgwdjVsEgKQ2zT+

/gCHJbBZrWjx1OZN40Hhu03o

48dX+WeLWAjFZMR2lItP8bJ87X4=

+N6H9VVzix7uogI=

Jf/NAPQe+8we7uftVhHehw==

YmANk8T+ix7uogI=

GTKxpLAYsJTl

pT8FM/QacYAV/+VInxn0

8JAnF9PnyZA29xH3Iw==

8ZdFPhCvGxYBxRCTqtB6VVk=

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
113	5064	wscript.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4876 set thread context of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 5116 set thread context of 780	5116	regsvcs.exe	18
PID 5064 set thread context of 780	5064	wscript.exe	18

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
780	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
5116	regsvcs.exe
5116	regsvcs.exe
5116	regsvcs.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe
5064	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5116	regsvcs.exe
Token: SeDebugPrivilege	5064	wscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 4876 wrote to memory of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 4876 wrote to memory of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 4876 wrote to memory of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 4876 wrote to memory of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 4876 wrote to memory of 5116	4876	92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe	82
PID 780 wrote to memory of 5064	780	Explorer.EXE	83
PID 780 wrote to memory of 5064	780	Explorer.EXE	83
PID 780 wrote to memory of 5064	780	Explorer.EXE	83
PID 5064 wrote to memory of 1248	5064	wscript.exe	84
PID 5064 wrote to memory of 1248	5064	wscript.exe	84
PID 5064 wrote to memory of 1248	5064	wscript.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:780
- C:\Users\Admin\AppData\Local\Temp\92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe
  "C:\Users\Admin\AppData\Local\Temp\92def0a070b0a1a1aa3c2b1ae43b197906d69a87014636106f1614e496a45c37.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5116
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/780-141-0x0000000007E70000-0x0000000007F9F000-memory.dmp

Filesize
1.2MB

Download
memory/780-151-0x00000000078C0000-0x000000000796D000-memory.dmp

Filesize
692KB

Download
memory/780-149-0x00000000078C0000-0x000000000796D000-memory.dmp

Filesize
692KB

Download
memory/4876-132-0x00000000007B0000-0x0000000000806000-memory.dmp

Filesize
344KB

Download
memory/5064-145-0x0000000000860000-0x0000000000887000-memory.dmp

Filesize
156KB

Download
memory/5064-146-0x00000000011B0000-0x00000000011DD000-memory.dmp

Filesize
180KB

Download
memory/5064-150-0x00000000011B0000-0x00000000011DD000-memory.dmp

Filesize
180KB

Download
memory/5064-148-0x0000000003090000-0x000000000311F000-memory.dmp

Filesize
572KB

Download
memory/5064-147-0x0000000003270000-0x00000000035BA000-memory.dmp

Filesize
3.3MB

Download
memory/5116-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5116-139-0x0000000001350000-0x000000000169A000-memory.dmp

Filesize
3.3MB

Download
memory/5116-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5116-143-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/5116-140-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/5116-134-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5116-137-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download