formbook | b4455821387f7c5571cf3aa28abde41c188593a4cb5f59d0f1e9c368db49348b

General

Target

zz.exe
Size

260KB
MD5

31319144a917439aa8e961cce95f82ee
SHA1

eaea6b758bdba74243099d60e8dd65dcbb524351
SHA256

b4455821387f7c5571cf3aa28abde41c188593a4cb5f59d0f1e9c368db49348b
SHA512

0d28854203e99f9d35fbbb920a23d9829cfad3a2583d42c77515709963c347282737b7ac545673a3b7951c4e44e4c4c37209780ef9a498eeca1ac81948dccf62
SSDEEP

6144:DN92Cag76LSVVz83bwo0SEkRMUEU4zRkaYKGfb:DNQg76LSV4Hf72XU4zRyKGfb

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

zz.exeRegsvcs.exeWWAHost.exe

description	pid	process	target process
PID 4712 set thread context of 4860	4712	zz.exe	Regsvcs.exe
PID 4860 set thread context of 3048	4860	Regsvcs.exe	Explorer.EXE
PID 2168 set thread context of 3048	2168	WWAHost.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

WWAHost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	WWAHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Regsvcs.exeWWAHost.exe

pid	process
4860	Regsvcs.exe
4860	Regsvcs.exe
4860	Regsvcs.exe
4860	Regsvcs.exe
4860	Regsvcs.exe
4860	Regsvcs.exe
4860	Regsvcs.exe
4860	Regsvcs.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe
2168	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Regsvcs.exeWWAHost.exe

pid process

4860 Regsvcs.exe
4860 Regsvcs.exe
4860 Regsvcs.exe
2168 WWAHost.exe
2168 WWAHost.exe
2168 WWAHost.exe
2168 WWAHost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Regsvcs.exeWWAHost.exe

description pid process

Token: SeDebugPrivilege 4860 Regsvcs.exe
Token: SeDebugPrivilege 2168 WWAHost.exe

pid	process
3048	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4860	Regsvcs.exe
Token: SeDebugPrivilege	2168	WWAHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

zz.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 4712 wrote to memory of 4860	4712	zz.exe	Regsvcs.exe
PID 4712 wrote to memory of 4860	4712	zz.exe	Regsvcs.exe
PID 4712 wrote to memory of 4860	4712	zz.exe	Regsvcs.exe
PID 4712 wrote to memory of 4860	4712	zz.exe	Regsvcs.exe
PID 4712 wrote to memory of 4860	4712	zz.exe	Regsvcs.exe
PID 4712 wrote to memory of 4860	4712	zz.exe	Regsvcs.exe
PID 3048 wrote to memory of 2168	3048	Explorer.EXE	WWAHost.exe
PID 3048 wrote to memory of 2168	3048	Explorer.EXE	WWAHost.exe
PID 3048 wrote to memory of 2168	3048	Explorer.EXE	WWAHost.exe
PID 2168 wrote to memory of 4684	2168	WWAHost.exe	Firefox.exe
PID 2168 wrote to memory of 4684	2168	WWAHost.exe	Firefox.exe
PID 2168 wrote to memory of 4684	2168	WWAHost.exe	Firefox.exe

C:\Users\Admin\AppData\Local\Temp\zz.exe
"C:\Users\Admin\AppData\Local\Temp\zz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3048

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2168-143-0x0000000000000000-mapping.dmp

Download
memory/2168-151-0x00000000007B0000-0x00000000007DD000-memory.dmp

Filesize
180KB

Download
memory/2168-149-0x00000000017D0000-0x000000000185F000-memory.dmp

Filesize
572KB

Download
memory/2168-147-0x0000000001A40000-0x0000000001D8A000-memory.dmp

Filesize
3.3MB

Download
memory/2168-145-0x0000000000A50000-0x0000000000B2C000-memory.dmp

Filesize
880KB

Download
memory/2168-146-0x00000000007B0000-0x00000000007DD000-memory.dmp

Filesize
180KB

Download
memory/3048-152-0x00000000084D0000-0x00000000085FE000-memory.dmp

Filesize
1.2MB

Download
memory/3048-150-0x00000000084D0000-0x00000000085FE000-memory.dmp

Filesize
1.2MB

Download
memory/3048-142-0x00000000031D0000-0x0000000003343000-memory.dmp

Filesize
1.4MB

Download
memory/4712-148-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

Filesize
10.8MB

Download
memory/4712-132-0x0000023255AA0000-0x0000023255AE4000-memory.dmp

Filesize
272KB

Download
memory/4712-136-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

Filesize
10.8MB

Download
memory/4860-140-0x0000000001880000-0x0000000001BCA000-memory.dmp

Filesize
3.3MB

Download
memory/4860-144-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4860-141-0x00000000017B0000-0x00000000017C0000-memory.dmp

Filesize
64KB

Download
memory/4860-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4860-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4860-137-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4860-133-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4860-134-0x00000000004012B0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads