formbook | e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3

General

Target

e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
Size

597KB
MD5

76aade8ab10a9b3905c5f70932cfbf0c
SHA1

d8121a7513306da0cbf09cbda5005fc63f76d262
SHA256

e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3
SHA512

dfda440ab221993a379bd67eb7d636bddd11cd2d1fd4dd1e21a38f04fbdad7b150f3455bd918a9f9283152599075f6b4fbefdf7ebe0984e8a038742a30a5fc87
SSDEEP

12288:gmKuY7YDwSgBTh9I1v9r2eI8Q2Wz6iFWX4DiZC:DKFsoTKa0nWzTFBmC

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/2472-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2272 set thread context of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
2472	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1564	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	31
PID 2272 wrote to memory of 1564	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	31
PID 2272 wrote to memory of 1564	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	31
PID 2272 wrote to memory of 1564	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	31
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32
PID 2272 wrote to memory of 2472	2272	e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe	32

C:\Users\Admin\AppData\Local\Temp\e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
"C:\Users\Admin\AppData\Local\Temp\e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
  "C:\Users\Admin\AppData\Local\Temp\e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe"
  2⤵
  PID:1564
- C:\Users\Admin\AppData\Local\Temp\e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe
  "C:\Users\Admin\AppData\Local\Temp\e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2472

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/2272-6-0x0000000004D10000-0x0000000004D86000-memory.dmp

Filesize
472KB

Download
memory/2272-1-0x0000000000CA0000-0x0000000000D3C000-memory.dmp

Filesize
624KB

Download
memory/2272-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-3-0x00000000005D0000-0x00000000005E0000-memory.dmp

Filesize
64KB

Download
memory/2272-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2272-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2272-14-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2472-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2472-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2472-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2472-15-0x0000000000D40000-0x0000000001043000-memory.dmp

Filesize
3.0MB

Download

Analysis

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