formbook | 2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2023 09:18

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General

Target

tmp.exe
Size

661KB
MD5

bbd078b0a1887a7ee952c1b8689f3cc8
SHA1

41d194f5ad444d504b0df6753b2ee344477df966
SHA256

2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77
SHA512

31454bf7baeea799465bf6adad68745d0f637f05acb5143e0a745ca8530acb2a1ffe75d9d0851ab85a447b5d56807e9388ffbda87746f45130eb1b5f90646d2d
SSDEEP

12288:R7m72iNQveOlVp2So0hOmAVVOFArlqm5okVPYVtO4JwKQrPvwDi:g1CeEVpBo0DAVnbPSrZJrDi

Score

10^/10

formbook fgh2 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fgh2

Decoy

jmplanejamento.com

fredinformatica.store

ekinarslan.com

dymovoi.site

fantasywagon.store

aigpthome.net

magadonian.club

artmartco.com

chk7.com

saltybeachtravels.com

ffdreakfas514.com

70555.top

studioeminc.com

ei863.com

ky55.xyz

xn--12c1cc1b5dd4n.com

aimedicarecoverage.com

varsasenindir.com

intuityx.com

mainfocusmediacompany.com

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/1348-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1348-154-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/224-166-0x0000000000E40000-0x0000000000E6F000-memory.dmp	formbook
behavioral2/memory/224-186-0x0000000000E40000-0x0000000000E6F000-memory.dmp	formbook

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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 500 set thread context of 1348	500	tmp.exe	81
PID 1348 set thread context of 3208	1348	tmp.exe	63
PID 224 set thread context of 3208	224	msdt.exe	63

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
1348	tmp.exe
1348	tmp.exe
1348	tmp.exe
1348	tmp.exe
4884	powershell.exe
4884	powershell.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe
224	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3208	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1348	tmp.exe
1348	tmp.exe
1348	tmp.exe
224	msdt.exe
224	msdt.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	1348	tmp.exe
Token: SeDebugPrivilege	224	msdt.exe
Token: SeShutdownPrivilege	3208	Explorer.EXE
Token: SeCreatePagefilePrivilege	3208	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 500 wrote to memory of 4884	500	tmp.exe	79
PID 500 wrote to memory of 4884	500	tmp.exe	79
PID 500 wrote to memory of 4884	500	tmp.exe	79
PID 500 wrote to memory of 1348	500	tmp.exe	81
PID 500 wrote to memory of 1348	500	tmp.exe	81
PID 500 wrote to memory of 1348	500	tmp.exe	81
PID 500 wrote to memory of 1348	500	tmp.exe	81
PID 500 wrote to memory of 1348	500	tmp.exe	81
PID 500 wrote to memory of 1348	500	tmp.exe	81
PID 3208 wrote to memory of 224	3208	Explorer.EXE	82
PID 3208 wrote to memory of 224	3208	Explorer.EXE	82
PID 3208 wrote to memory of 224	3208	Explorer.EXE	82
PID 224 wrote to memory of 4024	224	msdt.exe	83
PID 224 wrote to memory of 4024	224	msdt.exe	83
PID 224 wrote to memory of 4024	224	msdt.exe	83

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:500
- - 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\tmp.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4884
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1348
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    PID:4024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rae2yhw1.rm2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/224-165-0x0000000000440000-0x0000000000497000-memory.dmp

Filesize
348KB

Download
memory/224-164-0x0000000000440000-0x0000000000497000-memory.dmp

Filesize
348KB

Download
memory/224-166-0x0000000000E40000-0x0000000000E6F000-memory.dmp

Filesize
188KB

Download
memory/224-182-0x0000000002EF0000-0x000000000323A000-memory.dmp

Filesize
3.3MB

Download
memory/224-186-0x0000000000E40000-0x0000000000E6F000-memory.dmp

Filesize
188KB

Download
memory/224-192-0x0000000002D30000-0x0000000002DC3000-memory.dmp

Filesize
588KB

Download
memory/500-133-0x0000000000720000-0x00000000007CC000-memory.dmp

Filesize
688KB

Download
memory/500-137-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/500-134-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/500-135-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/500-136-0x00000000052D0000-0x00000000052E0000-memory.dmp

Filesize
64KB

Download
memory/500-139-0x0000000009820000-0x00000000098BC000-memory.dmp

Filesize
624KB

Download
memory/500-138-0x00000000052D0000-0x00000000052E0000-memory.dmp

Filesize
64KB

Download
memory/1348-156-0x0000000000FE0000-0x000000000132A000-memory.dmp

Filesize
3.3MB

Download
memory/1348-154-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1348-158-0x0000000000B40000-0x0000000000B54000-memory.dmp

Filesize
80KB

Download
memory/1348-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3208-193-0x0000000009910000-0x0000000009A47000-memory.dmp

Filesize
1.2MB

Download
memory/3208-196-0x0000000009910000-0x0000000009A47000-memory.dmp

Filesize
1.2MB

Download
memory/3208-162-0x0000000008C20000-0x0000000008D32000-memory.dmp

Filesize
1.1MB

Download
memory/3208-194-0x0000000009910000-0x0000000009A47000-memory.dmp

Filesize
1.2MB

Download
memory/4884-145-0x0000000005020000-0x0000000005042000-memory.dmp

Filesize
136KB

Download
memory/4884-163-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

Filesize
120KB

Download
memory/4884-167-0x0000000002680000-0x0000000002690000-memory.dmp

Filesize
64KB

Download
memory/4884-168-0x0000000006570000-0x00000000065A2000-memory.dmp

Filesize
200KB

Download
memory/4884-169-0x0000000070F50000-0x0000000070F9C000-memory.dmp

Filesize
304KB

Download
memory/4884-179-0x0000000006540000-0x000000000655E000-memory.dmp

Filesize
120KB

Download
memory/4884-180-0x000000007F0E0000-0x000000007F0F0000-memory.dmp

Filesize
64KB

Download
memory/4884-181-0x0000000007910000-0x0000000007F8A000-memory.dmp

Filesize
6.5MB

Download
memory/4884-155-0x0000000002680000-0x0000000002690000-memory.dmp

Filesize
64KB

Download
memory/4884-183-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/4884-184-0x0000000007330000-0x000000000733A000-memory.dmp

Filesize
40KB

Download
memory/4884-185-0x0000000007540000-0x00000000075D6000-memory.dmp

Filesize
600KB

Download
memory/4884-153-0x0000000002680000-0x0000000002690000-memory.dmp

Filesize
64KB

Download
memory/4884-187-0x00000000074F0000-0x00000000074FE000-memory.dmp

Filesize
56KB

Download
memory/4884-188-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/4884-189-0x00000000075E0000-0x00000000075E8000-memory.dmp

Filesize
32KB

Download
memory/4884-147-0x00000000059B0000-0x0000000005A16000-memory.dmp

Filesize
408KB

Download
memory/4884-146-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/4884-143-0x0000000005210000-0x0000000005838000-memory.dmp

Filesize
6.2MB

Download
memory/4884-142-0x0000000002700000-0x0000000002736000-memory.dmp

Filesize
216KB

Download