formbook | 519f09aa15f946adc5e64fd3bf979393e447632fae6ad2fcfd7b4d070d38cfad

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 05:51

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General

Target

e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe
Size

522KB
MD5

a69f3b88a6774d10b9b0bb6c48b196e7
SHA1

030e5beded6ba62db2bfc9862a83f5a6c6e29ca6
SHA256

e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1
SHA512

40f4dbe20b5edbc359423fb24639bf0f9caa282b560be8f471ee5e5ea352cba8a4842aa0980a6c62e83607195be5c52b9a81d6cc6b0c22a082a8bb138be25f0a
SSDEEP

6144:eY6YpD2FXImLrfqldiQ+vvgFLKBsD1wf9KWj0hxD2Hn8mWFMLppQylXQYdMkfU:1WImHLQEgsowf94xHmZplxQ+H

Score

10^/10

formbook cr35 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cr35

Decoy

tahirsoemantrigroup.com

hashtagstartup.net

guron.biz

donwalin.com

aslanrefinedhomes.com

quitrobo.com

transcriptionservicesindia.com

mooremedications.com

mahounoniwa.com

lowpricepath.com

xinmanxin.com

maliya-interiors.com

rkprops.com

functionsandfoundations.com

thelenditudenews.com

streetlogic.biz

itaste.xyz

protokolavukatlik.com

reformasmende.com

noahsicecream.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
behavioral2/memory/1484-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96

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	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe
2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe
1484	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe
1484	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96
PID 2340 wrote to memory of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96
PID 2340 wrote to memory of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96
PID 2340 wrote to memory of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96
PID 2340 wrote to memory of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96
PID 2340 wrote to memory of 1484	2340	e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe	96

C:\Users\Admin\AppData\Local\Temp\e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe
"C:\Users\Admin\AppData\Local\Temp\e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe
  "C:\Users\Admin\AppData\Local\Temp\e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1484

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/1484-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-14-0x0000000001520000-0x000000000186A000-memory.dmp

Filesize
3.3MB

Download
memory/2340-6-0x0000000005E40000-0x0000000005E4C000-memory.dmp

Filesize
48KB

Download
memory/2340-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

Filesize
584KB

Download
memory/2340-5-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/2340-4-0x0000000004C20000-0x0000000004C2A000-memory.dmp

Filesize
40KB

Download
memory/2340-0-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/2340-7-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/2340-8-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/2340-9-0x0000000005EF0000-0x0000000005F8C000-memory.dmp

Filesize
624KB

Download
memory/2340-10-0x0000000006030000-0x0000000006088000-memory.dmp

Filesize
352KB

Download
memory/2340-2-0x0000000005190000-0x0000000005734000-memory.dmp

Filesize
5.6MB

Download
memory/2340-13-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/2340-1-0x0000000000190000-0x0000000000218000-memory.dmp

Filesize
544KB

Download