formbook | fb57fd7428a4d7447e1203d03ab5058880ef6ef18fc6f99465c0aac2071ed945

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 16:53

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General

Target

db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe
Size

1.1MB
MD5

5ef0396427ff796a37b983f3baf84d5f
SHA1

7dc04df23d8c3f75dfc143db7d92e0eac4bf5d1b
SHA256

db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530
SHA512

f619f9a7f092554fe2f7538df9eb8e9f9b479ba8e08ac9a0d95afa1c1f1353cddc557ba7bd7ee85cf8fdf43a126de63cc2920d402dd8730246fafdfdf61e36a1
SSDEEP

12288:vwDXz2hTd6AkbyKs1zMm42dEjeIeya86xYzSJuPbBMHlqjJ5npmhKgf81o3XjnVt:4YZoHs342a6rtZ6OM1MQjrg

Score

10^/10

formbook fuyb discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

fuyb

Decoy

ySqkimeTE13H2ewGja9LGg==

c6a/mIndrz59qJ+/EZkF1VoKrQ==

puyjGw1Sa0A3VV4KDnqRFhr2jQC3fkc=

AjQ3LKQUXkyY6xtK/7v2VD32hgC3fkc=

zDZkS4/T4a3VFha4ja9LGg==

JYyS87zY2KSlwbAZq3Qx

Ip0fCecSq7T3ahlotm5p155TI2M/

ipYI7ki2JoP3FTV3DtjWeBqU

OG8mkGOZ5vPkBbwTIYpvwW92C8E=

GqbksepyJ6UgcFGPUA==

1zpmT4/g7AdL

2/gE2eXTnxzbcFGPUA==

CpK1phq0TrU3RnkgGKxt6tY=

4CmsHJMoNyxlsVaFx6W+iDee

+XypJGn7A+XcAFHrZ9Y6

UIAQW44G/tnX6JtM0n7UvqqR

6DHlWlGVuDDXcFGPUA==

Vp7L/Td2KXf8HL/RDePWeBqU

SnchgsBScnGwB7yvQgEqQPV0f8k=

wgMo/D7YcYh7ezwb6js=

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 2772 set thread context of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30

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	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2684	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30
PID 2772 wrote to memory of 2684	2772	db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe	30

C:\Users\Admin\AppData\Local\Temp\db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe
"C:\Users\Admin\AppData\Local\Temp\db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2684

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

Replay Monitor

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Downloads

memory/2684-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2684-16-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/2684-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2684-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2684-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-3-0x0000000000580000-0x00000000005A0000-memory.dmp

Filesize
128KB

Download
memory/2772-7-0x0000000001F40000-0x0000000001F74000-memory.dmp

Filesize
208KB

Download
memory/2772-6-0x00000000051D0000-0x000000000525C000-memory.dmp

Filesize
560KB

Download
memory/2772-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2772-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2772-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-15-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-1-0x0000000000080000-0x0000000000196000-memory.dmp

Filesize
1.1MB

Download