formbook | 8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e

General

Target

8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
Size

596KB
MD5

7a3bfa8d0ab2a9b1258925a73a037393
SHA1

5785960ead180d8709d2b4e182ada67cf751a85c
SHA256

8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e
SHA512

aaf55fa5de8f5c8755383694256a369ecaf31337f6a768ffff22e76f16a5413bce56dafe7efb2145c43591d9f214770de0d0596b9094ce65a683157bd0baecd3
SSDEEP

12288:5sy8bQbFshgdcUTejQDo7ryDKdQRFlPHlhBhiJ+UXC/:KIeQr0HyDSQPFc+US/

Score

10^/10

formbook bc01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2704-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2692	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
2704	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
2692	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
Token: SeDebugPrivilege	2692	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2692	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	31
PID 2436 wrote to memory of 2692	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	31
PID 2436 wrote to memory of 2692	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	31
PID 2436 wrote to memory of 2692	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	31
PID 2436 wrote to memory of 840	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	33
PID 2436 wrote to memory of 840	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	33
PID 2436 wrote to memory of 840	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	33
PID 2436 wrote to memory of 840	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	33
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34
PID 2436 wrote to memory of 2704	2436	8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe	34

C:\Users\Admin\AppData\Local\Temp\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
"C:\Users\Admin\AppData\Local\Temp\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- 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\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
  "C:\Users\Admin\AppData\Local\Temp\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe"
  2⤵
  PID:840
- C:\Users\Admin\AppData\Local\Temp\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe
  "C:\Users\Admin\AppData\Local\Temp\8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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

memory/2436-6-0x0000000002070000-0x00000000020E6000-memory.dmp

Filesize
472KB

Download
memory/2436-1-0x0000000000270000-0x000000000030C000-memory.dmp

Filesize
624KB

Download
memory/2436-2-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-3-0x0000000000370000-0x0000000000382000-memory.dmp

Filesize
72KB

Download
memory/2436-4-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2436-5-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-0-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2436-12-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-13-0x0000000000B20000-0x0000000000E23000-memory.dmp

Filesize
3.0MB

Download
memory/2704-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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