formbook | 8ce4ad58214062caff58e6bdee836024c7dba4c3c73d47fd66d96930be15de1d

General

Target

IMG_20220926_0001.exe
Size

1016KB
MD5

c29ade6cb629271fa32e3ecc97757826
SHA1

7113cc1f08981d89e4038d7159744e39dec08168
SHA256

7a2a46ce8e2392d8f1afc79912f86e540c30f1a8428ec455f14182c0131403ed
SHA512

ade3953e9ceb93875b91ffb77131a2b76a1bf763d34f0c690f44f178c35522bc5cf023671b98c73dca51ebb4ed3844f325cbacaf3ae6882541fbb3b902b7977e
SSDEEP

12288:edBMsHT+oXKSslNvgT5PqdOHQYleaIqHLJnt16K4HTN:yBRz+hOsOweIqrJt1

Score

10^/10

formbook te04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

te04

Decoy

oaif.rest

snapchat25.site

ampenova.online

xn--kj0b57geuvy9e.shop

bravobistro.xyz

meebits-freemint.xyz

namaz.city

tdmanagement.info

ytumz.xyz

industrialized.shop

laviedouceexperience.com

aubolabel.com

semblally.shop

vistlink.makeup

adidaihoka.com

gabrielmanfredi.online

sheka.xyz

bcvn2.club

digitalwebtricks.com

poocoin-app-charts.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1028-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1028-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2916-24-0x0000000001200000-0x000000000122F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3396 set thread context of 1028	3396	IMG_20220926_0001.exe	98
PID 1028 set thread context of 3592	1028	IMG_20220926_0001.exe	56
PID 2916 set thread context of 3592	2916	msdt.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMG_20220926_0001.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
1028	IMG_20220926_0001.exe
1028	IMG_20220926_0001.exe
1028	IMG_20220926_0001.exe
1028	IMG_20220926_0001.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe
2916	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1028	IMG_20220926_0001.exe
1028	IMG_20220926_0001.exe
1028	IMG_20220926_0001.exe
2916	msdt.exe
2916	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1028	IMG_20220926_0001.exe
Token: SeDebugPrivilege	2916	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 1028	3396	IMG_20220926_0001.exe	98
PID 3396 wrote to memory of 1028	3396	IMG_20220926_0001.exe	98
PID 3396 wrote to memory of 1028	3396	IMG_20220926_0001.exe	98
PID 3396 wrote to memory of 1028	3396	IMG_20220926_0001.exe	98
PID 3396 wrote to memory of 1028	3396	IMG_20220926_0001.exe	98
PID 3396 wrote to memory of 1028	3396	IMG_20220926_0001.exe	98
PID 3592 wrote to memory of 2916	3592	Explorer.EXE	99
PID 3592 wrote to memory of 2916	3592	Explorer.EXE	99
PID 3592 wrote to memory of 2916	3592	Explorer.EXE	99
PID 2916 wrote to memory of 4904	2916	msdt.exe	101
PID 2916 wrote to memory of 4904	2916	msdt.exe	101
PID 2916 wrote to memory of 4904	2916	msdt.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\IMG_20220926_0001.exe
  "C:\Users\Admin\AppData\Local\Temp\IMG_20220926_0001.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3396
- - C:\Users\Admin\AppData\Local\Temp\IMG_20220926_0001.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_20220926_0001.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1028
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2916
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\IMG_20220926_0001.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1028-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1028-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1028-20-0x0000000001170000-0x0000000001184000-memory.dmp

Filesize
80KB

Download
memory/1028-17-0x0000000001510000-0x000000000185A000-memory.dmp

Filesize
3.3MB

Download
memory/2916-24-0x0000000001200000-0x000000000122F000-memory.dmp

Filesize
188KB

Download
memory/2916-23-0x0000000000B60000-0x0000000000BB7000-memory.dmp

Filesize
348KB

Download
memory/2916-22-0x0000000000B60000-0x0000000000BB7000-memory.dmp

Filesize
348KB

Download
memory/3396-6-0x0000000005600000-0x000000000561C000-memory.dmp

Filesize
112KB

Download
memory/3396-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3396-9-0x0000000006750000-0x000000000675C000-memory.dmp

Filesize
48KB

Download
memory/3396-10-0x0000000006900000-0x000000000698E000-memory.dmp

Filesize
568KB

Download
memory/3396-11-0x0000000006A60000-0x0000000006AFC000-memory.dmp

Filesize
624KB

Download
memory/3396-7-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3396-13-0x00000000069E0000-0x0000000006A14000-memory.dmp

Filesize
208KB

Download
memory/3396-12-0x0000000006B00000-0x0000000006B66000-memory.dmp

Filesize
408KB

Download
memory/3396-16-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3396-8-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3396-5-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/3396-1-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download
memory/3396-4-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3396-3-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/3396-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/3592-21-0x0000000007B70000-0x0000000007CC1000-memory.dmp

Filesize
1.3MB

Download
memory/3592-25-0x0000000007B70000-0x0000000007CC1000-memory.dmp

Filesize
1.3MB

Download
memory/3592-29-0x0000000008020000-0x0000000008127000-memory.dmp

Filesize
1.0MB

Download
memory/3592-30-0x0000000008020000-0x0000000008127000-memory.dmp

Filesize
1.0MB

Download
memory/3592-32-0x0000000008020000-0x0000000008127000-memory.dmp

Filesize
1.0MB

Download

Analysis

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