formbook | 634aa113ac1502020a520bebec7a2624a3a269215ddf4e0a83f391af437a80d7

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 2 IoCs

rat

resource	yara_rule
behavioral2/files/0x0007000000023c98-9.dat	formbook
behavioral2/memory/3764-15-0x0000000000400000-0x000000000042F000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Executes dropped EXE 1 IoCs

pid	Process
4244	9bde9863-bdf9-4058-b4a2-64cead61f574.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

pid	Process
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3092 set thread context of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87

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
4556	3092	WerFault.exe	82

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	9bde9863-bdf9-4058-b4a2-64cead61f574.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4416	timeout.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4244	9bde9863-bdf9-4058-b4a2-64cead61f574.exe
4244	9bde9863-bdf9-4058-b4a2-64cead61f574.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3764	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
3764	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4244	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	83
PID 3092 wrote to memory of 4244	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	83
PID 3092 wrote to memory of 4244	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	83
PID 3092 wrote to memory of 3276	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	84
PID 3092 wrote to memory of 3276	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	84
PID 3092 wrote to memory of 3276	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	84
PID 3276 wrote to memory of 4416	3276	cmd.exe	86
PID 3276 wrote to memory of 4416	3276	cmd.exe	86
PID 3276 wrote to memory of 4416	3276	cmd.exe	86
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87
PID 3092 wrote to memory of 3764	3092	bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe	87

C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
"C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
1⤵
- Checks computer location settings
- 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:3092
- C:\Users\Admin\AppData\Local\Temp\9bde9863-bdf9-4058-b4a2-64cead61f574.exe
  "C:\Users\Admin\AppData\Local\Temp\9bde9863-bdf9-4058-b4a2-64cead61f574.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4244
- 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:3276
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4416
- C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe
  "C:\Users\Admin\AppData\Local\Temp\bae3b7f48d13f1237f0ae3ad690e3980efa81dd790398d4f54e582c1b6f863ed.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 1300
  2⤵
  - Program crash
  PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3092 -ip 3092
1⤵
PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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

C:\Users\Admin\AppData\Local\Temp\9bde9863-bdf9-4058-b4a2-64cead61f574.exe

Filesize
181KB

MD5
7f76a7e305f5ae4cf5b6b89a3a51970d

SHA1
a19d5d1d4ae0f14d96b577ca7a32e4c240b69d41

SHA256
1d0065110f0eb382f09ae48487ce360145631dac95594b10fbea92a947c82a82

SHA512
e22813dfa096582f57f8d49d3b2c1705495fced3efe104e8ad1118342d7f9d99f5d76f57fccd6f58e48be58824c7baa7dc7f4bb8506563314d212db7e165896f

Download Submit
memory/3092-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/3092-1-0x0000000000830000-0x0000000000A84000-memory.dmp

Filesize
2.3MB

Download
memory/3092-2-0x0000000005360000-0x00000000053FC000-memory.dmp

Filesize
624KB

Download
memory/3092-3-0x00000000064E0000-0x00000000065AC000-memory.dmp

Filesize
816KB

Download
memory/3092-4-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3092-14-0x0000000007730000-0x0000000007CD4000-memory.dmp

Filesize
5.6MB

Download
memory/3092-17-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3764-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3764-16-0x0000000001B10000-0x0000000001E5A000-memory.dmp

Filesize
3.3MB

Download
memory/4244-13-0x0000000000BA0000-0x0000000000EEA000-memory.dmp

Filesize
3.3MB

Download
memory/4244-18-0x0000000000BA0000-0x0000000000EEA000-memory.dmp

Filesize
3.3MB

Download

Analysis

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