formbook | 634aa113ac1502020a520bebec7a2624a3a269215ddf4e0a83f391af437a80d7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 19:45

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General

Target

bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
Size

2.3MB
MD5

4bdd353f176639321cfc03cd3499299e
SHA1

7cdf8b5cbc1e29dc73a2a22e37937faa304363b0
SHA256

bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed
SHA512

a81dd1ac02d357c7633d79e419a2471cfb8610a7bad151c1d67601ae42c94b60f54b61a0d7ef80a004c8008b4e781630157c393bc590ca3c6913326b16297f9a
SSDEEP

49152:+cHY/2gcQm44Wz0pEJ4BCFEFJeddZQr8FmFJJKJbgLlmspkMLfLjMIktZgg0glv6:H

Score

10^/10

formbook wnb discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

wnb

Decoy

johntuckerrealty.com

hariee.com

9902990.com

popupweddingorlando.com

whyscream.online

millroadhouse.com

gnmal.com

yourcolostomy.com

romamalove.com

000345dy.com

idrbeats.com

romanusizuegbu.com

1telefonoatencion24horas.com

imgsaspainindustrie.com

elitedelux.com

surrilob.com

tilttownpinball.com

cyberdocked.com

tavtejarat.com

liveon4k.xyz

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
behavioral1/files/0x000a000000012263-5.dat	formbook
behavioral1/memory/1960-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1960-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
2888	3a231653-36ea-4737-8a66-80177e79563f.exe

Loads dropped DLL 2 IoCs

pid	Process
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs

pid	Process
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	1960	WerFault.exe	37

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	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2836	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2888	3a231653-36ea-4737-8a66-80177e79563f.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2888	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	30
PID 1996 wrote to memory of 2888	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	30
PID 1996 wrote to memory of 2888	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	30
PID 1996 wrote to memory of 2888	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	30
PID 1996 wrote to memory of 2804	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	31
PID 1996 wrote to memory of 2804	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	31
PID 1996 wrote to memory of 2804	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	31
PID 1996 wrote to memory of 2804	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	31
PID 2804 wrote to memory of 2836	2804	cmd.exe	33
PID 2804 wrote to memory of 2836	2804	cmd.exe	33
PID 2804 wrote to memory of 2836	2804	cmd.exe	33
PID 2804 wrote to memory of 2836	2804	cmd.exe	33
PID 1996 wrote to memory of 3000	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	34
PID 1996 wrote to memory of 3000	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	34
PID 1996 wrote to memory of 3000	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	34
PID 1996 wrote to memory of 3000	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	34
PID 1996 wrote to memory of 2976	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	35
PID 1996 wrote to memory of 2976	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	35
PID 1996 wrote to memory of 2976	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	35
PID 1996 wrote to memory of 2976	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	35
PID 1996 wrote to memory of 2932	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	36
PID 1996 wrote to memory of 2932	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	36
PID 1996 wrote to memory of 2932	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	36
PID 1996 wrote to memory of 2932	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	36
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1996 wrote to memory of 1960	1996	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	37
PID 1960 wrote to memory of 2904	1960	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	38
PID 1960 wrote to memory of 2904	1960	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	38
PID 1960 wrote to memory of 2904	1960	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	38
PID 1960 wrote to memory of 2904	1960	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	38

C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
"C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\3a231653-36ea-4737-8a66-80177e79563f.exe
  "C:\Users\Admin\AppData\Local\Temp\3a231653-36ea-4737-8a66-80177e79563f.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2836
- C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
  "C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
  2⤵
  PID:3000
- C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
  "C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
  2⤵
  PID:2976
- C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
  "C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
  2⤵
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
  "C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 36
    3⤵
    - Program crash
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\3a231653-36ea-4737-8a66-80177e79563f.exe

Filesize
181KB

MD5
7f76a7e305f5ae4cf5b6b89a3a51970d

SHA1
a19d5d1d4ae0f14d96b577ca7a32e4c240b69d41

SHA256
1d0065110f0eb382f09ae48487ce360145631dac95594b10fbea92a947c82a82

SHA512
e22813dfa096582f57f8d49d3b2c1705495fced3efe104e8ad1118342d7f9d99f5d76f57fccd6f58e48be58824c7baa7dc7f4bb8506563314d212db7e165896f

Download Submit
memory/1960-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1960-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1960-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1960-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1960-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-2-0x0000000004E00000-0x0000000004ECC000-memory.dmp

Filesize
816KB

Download
memory/1996-1-0x0000000000E70000-0x00000000010C4000-memory.dmp

Filesize
2.3MB

Download
memory/1996-11-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1996-21-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-13-0x00000000007D0000-0x0000000000AD3000-memory.dmp

Filesize
3.0MB

Download
memory/2888-22-0x00000000007D0000-0x0000000000AD3000-memory.dmp

Filesize
3.0MB

Download