formbook | c01d1b77062d28f497480aac1c2ad019d88b9f12a8db4405065cd2a9f3086191

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 12:41

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General

Target

document.exe
Size

663KB
MD5

9806b5ef6bf254fdd4c0e934a4c070eb
SHA1

caa33c5cecee0b8a05a4b1c5f7f4f4c081fd0b77
SHA256

c01d1b77062d28f497480aac1c2ad019d88b9f12a8db4405065cd2a9f3086191
SHA512

824ce46df91db025a3e2fea193c394ad1290c681cf46e39b163036693d246078a2589eb34b56ba1c9ea62078e2b438477f7ccb292c469a99da55b79306a8385b
SSDEEP

12288:J7C27Jb5EMTIRjAH5rV20hkoJnnFc8AtAvJIUHTrU2fujnR/C6CqkR:1LTxZrLh9Jn68At+JIUzrcjnRip

Score

10^/10

formbook t94g discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t94g

Decoy

32188.top

mergencyroofrepair656460.online

jkahu.fun

ur4.autos

r0lba4cl0qkaws8.bond

eiliaowang.top

urjav.xyz

kidaman15.click

old-removal-p350.today

levatethismedia.info

h33323s40.top

dormy.click

5406.club

earlofwisdombook.pro

6980.app

ellwood999.biz

otdates.lol

164v.shop

thereal.app

takeget.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4324-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4324-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4324-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3428-73-0x0000000000930000-0x000000000095F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
428	powershell.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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	document.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4576 set thread context of 4324	4576	document.exe	97
PID 4324 set thread context of 3612	4324	document.exe	56
PID 4324 set thread context of 3612	4324	document.exe	56
PID 3428 set thread context of 3612	3428	systray.exe	56

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	document.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4576	document.exe
4576	document.exe
4324	document.exe
4324	document.exe
4324	document.exe
4324	document.exe
428	powershell.exe
428	powershell.exe
4324	document.exe
4324	document.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe
3428	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4324	document.exe
4324	document.exe
4324	document.exe
4324	document.exe
3428	systray.exe
3428	systray.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	4576	document.exe
Token: SeDebugPrivilege	4324	document.exe
Token: SeDebugPrivilege	428	powershell.exe
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeDebugPrivilege	3428	systray.exe
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3612	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 428	4576	document.exe	96
PID 4576 wrote to memory of 428	4576	document.exe	96
PID 4576 wrote to memory of 428	4576	document.exe	96
PID 4576 wrote to memory of 4324	4576	document.exe	97
PID 4576 wrote to memory of 4324	4576	document.exe	97
PID 4576 wrote to memory of 4324	4576	document.exe	97
PID 4576 wrote to memory of 4324	4576	document.exe	97
PID 4576 wrote to memory of 4324	4576	document.exe	97
PID 4576 wrote to memory of 4324	4576	document.exe	97
PID 3612 wrote to memory of 3428	3612	Explorer.EXE	99
PID 3612 wrote to memory of 3428	3612	Explorer.EXE	99
PID 3612 wrote to memory of 3428	3612	Explorer.EXE	99
PID 3428 wrote to memory of 2320	3428	systray.exe	100
PID 3428 wrote to memory of 2320	3428	systray.exe	100
PID 3428 wrote to memory of 2320	3428	systray.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Users\Admin\AppData\Local\Temp\document.exe
  "C:\Users\Admin\AppData\Local\Temp\document.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\document.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:428
- - C:\Users\Admin\AppData\Local\Temp\document.exe
    "C:\Users\Admin\AppData\Local\Temp\document.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4324
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\document.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cwpsdal4.qav.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/428-58-0x0000000007420000-0x00000000074B6000-memory.dmp

Filesize
600KB

Download
memory/428-60-0x00000000073D0000-0x00000000073DE000-memory.dmp

Filesize
56KB

Download
memory/428-38-0x0000000005EA0000-0x0000000005EEC000-memory.dmp

Filesize
304KB

Download
memory/428-39-0x000000007F330000-0x000000007F340000-memory.dmp

Filesize
64KB

Download
memory/428-63-0x00000000074C0000-0x00000000074C8000-memory.dmp

Filesize
32KB

Download
memory/428-62-0x00000000074E0000-0x00000000074FA000-memory.dmp

Filesize
104KB

Download
memory/428-61-0x00000000073E0000-0x00000000073F4000-memory.dmp

Filesize
80KB

Download
memory/428-59-0x00000000073A0000-0x00000000073B1000-memory.dmp

Filesize
68KB

Download
memory/428-57-0x0000000007210000-0x000000000721A000-memory.dmp

Filesize
40KB

Download
memory/428-56-0x00000000071A0000-0x00000000071BA000-memory.dmp

Filesize
104KB

Download
memory/428-55-0x00000000077E0000-0x0000000007E5A000-memory.dmp

Filesize
6.5MB

Download
memory/428-54-0x0000000006EA0000-0x0000000006F43000-memory.dmp

Filesize
652KB

Download
memory/428-53-0x0000000006410000-0x000000000642E000-memory.dmp

Filesize
120KB

Download
memory/428-21-0x0000000004A70000-0x0000000004A80000-memory.dmp

Filesize
64KB

Download
memory/428-20-0x0000000004A70000-0x0000000004A80000-memory.dmp

Filesize
64KB

Download
memory/428-44-0x0000000004A70000-0x0000000004A80000-memory.dmp

Filesize
64KB

Download
memory/428-23-0x00000000050B0000-0x00000000056D8000-memory.dmp

Filesize
6.2MB

Download
memory/428-47-0x0000000004A70000-0x0000000004A80000-memory.dmp

Filesize
64KB

Download
memory/428-41-0x0000000071050000-0x000000007109C000-memory.dmp

Filesize
304KB

Download
memory/428-17-0x00000000048E0000-0x0000000004916000-memory.dmp

Filesize
216KB

Download
memory/428-16-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/428-24-0x0000000004D90000-0x0000000004DB2000-memory.dmp

Filesize
136KB

Download
memory/428-26-0x0000000005010000-0x0000000005076000-memory.dmp

Filesize
408KB

Download
memory/428-25-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/428-37-0x0000000005E50000-0x0000000005E6E000-memory.dmp

Filesize
120KB

Download
memory/428-36-0x0000000005960000-0x0000000005CB4000-memory.dmp

Filesize
3.3MB

Download
memory/428-40-0x0000000006E60000-0x0000000006E92000-memory.dmp

Filesize
200KB

Download
memory/3428-73-0x0000000000930000-0x000000000095F000-memory.dmp

Filesize
188KB

Download
memory/3428-71-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3428-72-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3612-69-0x0000000007800000-0x000000000795C000-memory.dmp

Filesize
1.4MB

Download
memory/3612-74-0x0000000008900000-0x0000000008AA5000-memory.dmp

Filesize
1.6MB

Download
memory/3612-22-0x0000000007800000-0x000000000795C000-memory.dmp

Filesize
1.4MB

Download
memory/3612-70-0x0000000008900000-0x0000000008AA5000-memory.dmp

Filesize
1.6MB

Download
memory/3612-78-0x0000000009160000-0x000000000928C000-memory.dmp

Filesize
1.2MB

Download
memory/4324-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4324-19-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/4324-14-0x00000000012D0000-0x000000000161A000-memory.dmp

Filesize
3.3MB

Download
memory/4324-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4324-68-0x0000000003090000-0x00000000030A5000-memory.dmp

Filesize
84KB

Download
memory/4324-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4576-10-0x000000000B580000-0x000000000B61C000-memory.dmp

Filesize
624KB

Download
memory/4576-6-0x0000000005900000-0x000000000591E000-memory.dmp

Filesize
120KB

Download
memory/4576-5-0x0000000005800000-0x000000000580A000-memory.dmp

Filesize
40KB

Download
memory/4576-7-0x00000000751BE000-0x00000000751BF000-memory.dmp

Filesize
4KB

Download
memory/4576-4-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4576-9-0x00000000050A0000-0x0000000005116000-memory.dmp

Filesize
472KB

Download
memory/4576-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

Filesize
5.6MB

Download
memory/4576-1-0x0000000000BB0000-0x0000000000C58000-memory.dmp

Filesize
672KB

Download
memory/4576-0-0x00000000751BE000-0x00000000751BF000-memory.dmp

Filesize
4KB

Download
memory/4576-3-0x0000000005640000-0x00000000056D2000-memory.dmp

Filesize
584KB

Download
memory/4576-13-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4576-8-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download