formbook | 84f011cc959c2bd6696a7580345503c2ed7b463e77c92715ff6ad30b8356bf8a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 11:57

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General

Target

13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe
Size

475KB
MD5

21778f5420d97a2e83e9f2b01228d28d
SHA1

13ced2b4b6730fe68f7b4a964432782059d599f2
SHA256

11f3014768f9b6fe474d0459e890668db9cdce835883960a39a7f9908c9c0cd2
SHA512

5d148141edb7eeb46330293ac93a08bd7b75aa7f5e1eed36187c1d7a7daf9b9477dc969ee7985fbadb109e8d0f7829852bf8df08987085f340798aa2b249d08b
SSDEEP

12288:aDLEtJIQtTqURgdiCcaEWOC8KQIgZF7V73F9SpesOfG3:aP0TLW8C8PF7VqZ+K

Score

10^/10

formbook dyh6 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dyh6

Decoy

ximmgepn.xyz

bonitacandle.com

thesneakerhubofficial.com

miabags.online

maboxhistoire.com

viral22.com

gracebruno.xyz

safetycare.xyz

aerith.store

mountaingirlbbq.com

bhbuildertest-ecom.space

klhcn.com

guizhouhl.top

noreply-engagementboost.com

derdmlaucaty.store

viffetrade.com

iesyttsn.xyz

msumon.com

autoforos.com

carlosmorgan.com

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
behavioral1/memory/2756-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2756	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30
PID 2640 wrote to memory of 2756	2640	13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe	30

C:\Users\Admin\AppData\Local\Temp\13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe
"C:\Users\Admin\AppData\Local\Temp\13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe
  "C:\Users\Admin\AppData\Local\Temp\13ced2b4b6730fe68f7b4a964432782059d599f2_1639777158226.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nse407B.tmp\bdmaxvzwbi.dll

Filesize
347KB

MD5
8248d987789bdf8c1f4e217c7a249aba

SHA1
fa6d573591a26ae899acfcb27baefcc7ac962814

SHA256
35429e6b9821eca230d21238e80cdb419e211cad5031072da96a2f6a4a2b1386

SHA512
9f849a77879e48bc5e70174965435c5542b75c9dfeab05c1f38d6475b15ee17e31ebebf29be3b2ef41e65d27789e2d564392011dca21647d1fcf390974057072

Download Submit
memory/2640-7-0x0000000010057000-0x0000000010059000-memory.dmp

Filesize
8KB

Download
memory/2756-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download