formbook | 85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 08:54

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General

Target

85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe
Size

530KB
MD5

41d167afce4833cfa5f6c91a2fb5ec78
SHA1

dd01977c2b091482770fa2af3a7a867778c4b490
SHA256

85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5
SHA512

06cbc68126bf443fe01260e8fa76b6813e1d1ef03c0aff3c1699b67eadfb3fbf125bf083e3474614563f3f9c704a275060647f118cee5a79a8e67901b97ef731
SSDEEP

6144:x6Uqd2GhNNLrM+qqpEu+VNlJ5xIjXDGwtwy/hkHa7wZjEHG85v0zLTgk46CKmqI4:IUi2iN53E15iDGwtwohw5V8x0+FD6e2

Score

10^/10

formbook s2wt discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s2wt

Decoy

yukiyamaapperal.com

rumasultan.store

japaese.com

quangphatloi.com

148atk.xyz

myheatstore.online

theedeneconomy.com

5xssc1.icu

krakensistem.xyz

gwangyo.com

lj-safe-keepingkokoka6.xyz

naturetheaterofoklahoma.com

perayaanwisudaitb.com

hrbsxxf.com

allencountypallet.com

vizit-app.com

startstartnow.com

inviertechile.com

haysneedlepotracks.com

cfdbestbroker.online

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/692-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe

description	pid	Process	procid_target
PID 4440 set thread context of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98

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

Processes:

85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe

pid	Process
692	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe
692	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe

description	pid	Process	procid_target
PID 4440 wrote to memory of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98
PID 4440 wrote to memory of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98
PID 4440 wrote to memory of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98
PID 4440 wrote to memory of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98
PID 4440 wrote to memory of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98
PID 4440 wrote to memory of 692	4440	85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe	98

C:\Users\Admin\AppData\Local\Temp\85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe
"C:\Users\Admin\AppData\Local\Temp\85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Users\Admin\AppData\Local\Temp\85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe
  "C:\Users\Admin\AppData\Local\Temp\85b4ae897dc9ddea04f18b19e97128479e9be1b25dc122643e644e1e77e271f5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:692

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/692-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/692-14-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/4440-6-0x00000000055A0000-0x00000000055AE000-memory.dmp

Filesize
56KB

Download
memory/4440-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/4440-4-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/4440-5-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4440-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/4440-7-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/4440-8-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4440-9-0x0000000006240000-0x00000000062DC000-memory.dmp

Filesize
624KB

Download
memory/4440-10-0x00000000061F0000-0x0000000006248000-memory.dmp

Filesize
352KB

Download
memory/4440-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/4440-13-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4440-1-0x00000000009A0000-0x0000000000A2A000-memory.dmp

Filesize
552KB

Download