formbook | 81b6eb47d0ce09b5fa5b7a6d6e16cdf15de3f58242f7910d1295054473064479

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 05:38

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General

Target

cópia de pagamento.exe
Size

907KB
MD5

9b19fc7d612041a80bf9934df29182df
SHA1

1f919621f1d67db72b2bc06d5c3a3a44b4dadca6
SHA256

7b18ea6437aefcf7e56f6b547f41043267e7fb17c93ed5b139070c550fc7b65b
SHA512

29d2524403cbcf015781cf0bd27fde9b56a4304ab79a69c831f7a78cb3b39e20c88364603ee228096ab98fa3d2f036249b2a2a873082a89e573cb642c7e0179d
SSDEEP

12288:Vxu3f7pCT/0e5hz9bH2iN+T/0e5hz9bBBULna0zwa1CgxV5KHBzqAKhKX6fIhT37:VqAT/0shbH1cT/0shbvU7aC58tqAmib

Score

10^/10

formbook j02y discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

j02y

Decoy

toplinkstorage.app

danny-mickey.space

0755aite.net

okchurch.info

4tlracing.com

jacksoncafepaola.com

552northvictoria.com

eevakoskela.info

tradecontractortraining.com

abtbank.online

voicetall.com

chicken-shack.com

acmumzo.info

futureclosers.com

bctugala.com

adagihlina.xyz

emprendeahora.pro

bybala.com

hlcp5533.com

ingspira.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/776-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/776-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/776-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2692-29-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2588	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 776	2408	cópia de pagamento.exe	34
PID 776 set thread context of 1188	776	cópia de pagamento.exe	21
PID 776 set thread context of 1188	776	cópia de pagamento.exe	21
PID 2692 set thread context of 1188	2692	cmmon32.exe	21

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	cópia de pagamento.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2408	cópia de pagamento.exe
2408	cópia de pagamento.exe
2408	cópia de pagamento.exe
2408	cópia de pagamento.exe
2408	cópia de pagamento.exe
2408	cópia de pagamento.exe
776	cópia de pagamento.exe
776	cópia de pagamento.exe
776	cópia de pagamento.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe
2692	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
776	cópia de pagamento.exe
776	cópia de pagamento.exe
776	cópia de pagamento.exe
776	cópia de pagamento.exe
2692	cmmon32.exe
2692	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	cópia de pagamento.exe
Token: SeDebugPrivilege	776	cópia de pagamento.exe
Token: SeDebugPrivilege	2692	cmmon32.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 3040	2408	cópia de pagamento.exe	31
PID 2408 wrote to memory of 3040	2408	cópia de pagamento.exe	31
PID 2408 wrote to memory of 3040	2408	cópia de pagamento.exe	31
PID 2408 wrote to memory of 3040	2408	cópia de pagamento.exe	31
PID 2408 wrote to memory of 3044	2408	cópia de pagamento.exe	32
PID 2408 wrote to memory of 3044	2408	cópia de pagamento.exe	32
PID 2408 wrote to memory of 3044	2408	cópia de pagamento.exe	32
PID 2408 wrote to memory of 3044	2408	cópia de pagamento.exe	32
PID 2408 wrote to memory of 2704	2408	cópia de pagamento.exe	33
PID 2408 wrote to memory of 2704	2408	cópia de pagamento.exe	33
PID 2408 wrote to memory of 2704	2408	cópia de pagamento.exe	33
PID 2408 wrote to memory of 2704	2408	cópia de pagamento.exe	33
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 2408 wrote to memory of 776	2408	cópia de pagamento.exe	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	35
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	35
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	35
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	35
PID 2692 wrote to memory of 2588	2692	cmmon32.exe	36
PID 2692 wrote to memory of 2588	2692	cmmon32.exe	36
PID 2692 wrote to memory of 2588	2692	cmmon32.exe	36
PID 2692 wrote to memory of 2588	2692	cmmon32.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe
  "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe
    "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
    3⤵
    PID:3040
- - C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe
    "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
    3⤵
    PID:3044
- - C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe
    "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
    3⤵
    PID:2704
- - C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe
    "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:776
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2692
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/776-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-22-0x0000000000330000-0x0000000000345000-memory.dmp

Filesize
84KB

Download
memory/776-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-18-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/776-15-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/776-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/776-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1188-24-0x0000000007D80000-0x0000000007EF5000-memory.dmp

Filesize
1.5MB

Download
memory/1188-19-0x0000000007A70000-0x0000000007C01000-memory.dmp

Filesize
1.6MB

Download
memory/1188-30-0x0000000007D80000-0x0000000007EF5000-memory.dmp

Filesize
1.5MB

Download
memory/1188-25-0x0000000007A70000-0x0000000007C01000-memory.dmp

Filesize
1.6MB

Download
memory/1188-23-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2408-5-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-4-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2408-3-0x00000000004A0000-0x00000000004BA000-memory.dmp

Filesize
104KB

Download
memory/2408-8-0x0000000000EF0000-0x0000000000F24000-memory.dmp

Filesize
208KB

Download
memory/2408-0-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2408-14-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-2-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-1-0x0000000001370000-0x0000000001458000-memory.dmp

Filesize
928KB

Download
memory/2408-6-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/2408-7-0x0000000004EF0000-0x0000000004F74000-memory.dmp

Filesize
528KB

Download
memory/2692-26-0x00000000009D0000-0x00000000009DD000-memory.dmp

Filesize
52KB

Download
memory/2692-28-0x00000000009D0000-0x00000000009DD000-memory.dmp

Filesize
52KB

Download
memory/2692-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download