formbook | cc1c62b8dd91838972b7f45c0d442b471474e8acf464500a491e839fea047423

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 00:33

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General

Target

280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe
Size

1.1MB
MD5

d59b57c9148dca2f692fd46b87d5cfa4
SHA1

02aecf7a03667332c65c998030754f66ca95ae5c
SHA256

280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881
SHA512

5ae30d9855d7792cb3a6baa55ec33c9aaf0e33c9cb516b6f509d8febaaf73b6ffc498b84f00f49f88febdd064d87886ccaa08fe85e5c6d22f37248f94686f48a
SSDEEP

24576:thLuyybqu13JvG47hloOmxpKTFfP/9hnZs:bLuyybb13Ju47hEpKZnv

Score

10^/10

formbook fwmz discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

fwmz

Decoy

EVMoY7Gw+zpNcMLX

eXADD4RePMOo+0RvOxjO/Q==

HUAzaMufWaVUl6RcbC0gPiu7EQ==

2M3iedmKTSWi8D5pOxjO/Q==

heFzVamRKfl1dwTLbA==

fxyeUGblrhj0MlLfOxjO/Q==

6jEARb17RJQKRJHIYB3LD/+9

3htk8zHUxezkKDA=

Sj1Hu/6kYE4HhsMxSAA=

Zq8IzvjIWeB4+w==

eYiQ3SG7qOzkKDA=

PZMa7lsB2+zkKDA=

aXEH9k8N1q1jdwTLbA==

7BdtDGwYBNOP0i4Bkj7+CPXsCUv6

DPnyLItdG2EPaIItUfICLLc4zvkWHA==

FyEvlOiOVMK3GHUpuVYJaUYbG3M=

MjnCgM52NPlJkaBLbxzLD/+9

1cXQN5JaL3gcY6Z5j1AYg0YbG3M=

39ReTLB4YOVaoSfqmhc=

oP/Fwf+hYLx8ftOlwlU6Iy6zAIHTFA==

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91

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	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4900	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe
4900	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91
PID 5072 wrote to memory of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91
PID 5072 wrote to memory of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91
PID 5072 wrote to memory of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91
PID 5072 wrote to memory of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91
PID 5072 wrote to memory of 4900	5072	280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe	91

C:\Users\Admin\AppData\Local\Temp\280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe
"C:\Users\Admin\AppData\Local\Temp\280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe
  "C:\Users\Admin\AppData\Local\Temp\280dfcc65a689143d9976fa88636c45c1dee63190a20ef72612d384635a22881.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4900

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

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Downloads

memory/4900-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4900-22-0x0000000001AC0000-0x0000000001E0A000-memory.dmp

Filesize
3.3MB

Download
memory/4900-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4900-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5072-10-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/5072-13-0x00000000088A0000-0x000000000893C000-memory.dmp

Filesize
624KB

Download
memory/5072-6-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/5072-7-0x0000000006160000-0x0000000006174000-memory.dmp

Filesize
80KB

Download
memory/5072-8-0x0000000008240000-0x0000000008254000-memory.dmp

Filesize
80KB

Download
memory/5072-9-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/5072-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/5072-11-0x00000000081C0000-0x00000000081CC000-memory.dmp

Filesize
48KB

Download
memory/5072-12-0x0000000008750000-0x00000000087F8000-memory.dmp

Filesize
672KB

Download
memory/5072-5-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/5072-14-0x0000000008940000-0x00000000089A6000-memory.dmp

Filesize
408KB

Download
memory/5072-15-0x0000000008800000-0x000000000884E000-memory.dmp

Filesize
312KB

Download
memory/5072-4-0x00000000054E0000-0x0000000005834000-memory.dmp

Filesize
3.3MB

Download
memory/5072-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/5072-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/5072-21-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/5072-1-0x00000000008B0000-0x00000000009CC000-memory.dmp

Filesize
1.1MB

Download