formbook | 9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 04:41

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General

Target

9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
Size

889KB
MD5

60907b42e4beb3cac3ad1253542ce0c9
SHA1

c2f8333319713aca8740b24816637f36328e8d01
SHA256

9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4
SHA512

b39223428b3bb8b09f2b9753881075790ae47236addadd7dc6213e4e26e11cbc84713b5188f8738130df3147f529b7f945aa233548a27469353d0011ee2631a0
SSDEEP

12288:JE2EdrSrR3yrRGcpAHOaLZrSvwFjo51LtnNfK9sN:JE2E1SrRCr4bXdS4FjS1BA9s

Score

10^/10

formbook gd04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

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

resource	yara_rule
behavioral2/memory/2388-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87

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	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2388	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
2388	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87
PID 1868 wrote to memory of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87
PID 1868 wrote to memory of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87
PID 1868 wrote to memory of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87
PID 1868 wrote to memory of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87
PID 1868 wrote to memory of 2388	1868	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	87

C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
"C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
  "C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2388

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/1868-6-0x0000000005110000-0x000000000512E000-memory.dmp

Filesize
120KB

Download
memory/1868-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/1868-2-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/1868-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

Filesize
584KB

Download
memory/1868-4-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/1868-5-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/1868-1-0x0000000000390000-0x0000000000474000-memory.dmp

Filesize
912KB

Download
memory/1868-7-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/1868-10-0x000000000A740000-0x000000000A7DC000-memory.dmp

Filesize
624KB

Download
memory/1868-9-0x0000000007F20000-0x0000000007F9A000-memory.dmp

Filesize
488KB

Download
memory/1868-8-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/1868-13-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2388-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2388-14-0x0000000001040000-0x000000000138A000-memory.dmp

Filesize
3.3MB

Download