formbook | 4cc3c108df5e861d0fb0dcc7f4bcf8c7d717636204f5e0d242a316ce9475bf4a

Analysis

max time kernel
139s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2024 21:44

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General

Target

4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
Size

927KB
MD5

4f3166df8a983e08948f066db754bf07
SHA1

ae408b256eee4391535a6e965fa9df5858731b55
SHA256

4cc3c108df5e861d0fb0dcc7f4bcf8c7d717636204f5e0d242a316ce9475bf4a
SHA512

ad1b17515cba647dba74d97bd90f152bd42339962721233382692e6caa2be3fd65de5c30d7c47b711ce5f2e4fc5734fb7f0b055a8eff298e0ba0f294888bca46
SSDEEP

24576:HTLNnHzTuuJwS8xsniyXVVmX9IgK3KboM:HThnHzTL2DCiOcNI560M

Score

10^/10

formbook amb6 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

amb6

Decoy

segurocars.com

rylautosales.com

xinglinjiankang.com

dantil-brand.com

sofaloffa.club

coinclub2.com

ez-pens.com

gqtlqsw.com

robotnewswire.com

ktproductreviews.com

merchbrander.com

yesonamendmentb.com

losgatoslimos.com

kristincole.art

metalmaids.online

leftcoastmodels.com

athetheist.com

jblbusrtingsale.com

chungcugiarehcm.com

renblockchain.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1444-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4380 set thread context of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
1444	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
1444	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 872	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	97
PID 4380 wrote to memory of 872	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	97
PID 4380 wrote to memory of 872	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	97
PID 4380 wrote to memory of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	98
PID 4380 wrote to memory of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	98
PID 4380 wrote to memory of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	98
PID 4380 wrote to memory of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	98
PID 4380 wrote to memory of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	98
PID 4380 wrote to memory of 1444	4380	4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Users\Admin\AppData\Local\Temp\4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe"
  2⤵
  PID:872
- C:\Users\Admin\AppData\Local\Temp\4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4f3166df8a983e08948f066db754bf07_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1444

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/1444-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1444-16-0x0000000001240000-0x000000000158A000-memory.dmp

Filesize
3.3MB

Download
memory/4380-8-0x0000000005700000-0x0000000005716000-memory.dmp

Filesize
88KB

Download
memory/4380-9-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/4380-4-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/4380-5-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/4380-6-0x00000000054F0000-0x0000000005546000-memory.dmp

Filesize
344KB

Download
memory/4380-7-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4380-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/4380-3-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/4380-10-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4380-11-0x0000000006B60000-0x0000000006C02000-memory.dmp

Filesize
648KB

Download
memory/4380-12-0x00000000091A0000-0x00000000091D4000-memory.dmp

Filesize
208KB

Download
memory/4380-2-0x0000000005310000-0x00000000053AC000-memory.dmp

Filesize
624KB

Download
memory/4380-15-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4380-1-0x0000000000880000-0x000000000096E000-memory.dmp

Filesize
952KB

Download