formbook | 667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78

Analysis

max time kernel
50s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 19:55

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General

Target

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
Size

483KB
MD5

ae452c2e1a3b7aceebfe0349e58239b8
SHA1

ef38728e61d5abc32cae40d326577432aa7fa9ac
SHA256

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78
SHA512

b82a7455c26d3fd6b61ce89a21945edbe278dc431667bb8c766ba9ee5af10f2bf538bc7ee29055994360b63986686f56dc16e6197d872c225fd36dcf179de8af
SSDEEP

6144:fYG1f456Uqd2GhNAqwisAnIikwTc0gIlokyp3I5a5Kx81wHadqMWp/19SORtx:QhAUi2iNA1AIikNqp15anwHadZWTLd

Score

10^/10

formbook jy0b discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jy0b

Decoy

lamejorimagen.com

mykabukibrush.com

modgon.com

barefoottherapeutics.com

shimpeg.net

trade-sniper.com

chiangkhancityhotel.com

joblessmoni.club

stespritsubways.com

chico-group.com

nni8.xyz

searchtypically.online

jobsyork.com

bestsales-crypto.com

iqmarketing.info

bullcityphotobooths.com

fwssc.icu

1oc87s.icu

usdiesel.xyz

secrets2optimumnutrition.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/580-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30

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	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
580	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2308 wrote to memory of 580	2308	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30

C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
"C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
  "C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:580

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/580-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/580-16-0x0000000000C20000-0x0000000000F23000-memory.dmp

Filesize
3.0MB

Download
memory/580-15-0x0000000000C20000-0x0000000000F23000-memory.dmp

Filesize
3.0MB

Download
memory/580-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/580-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/580-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2308-3-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-6-0x0000000004AD0000-0x0000000004B28000-memory.dmp

Filesize
352KB

Download
memory/2308-5-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-4-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2308-0-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2308-14-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-2-0x0000000000950000-0x000000000095E000-memory.dmp

Filesize
56KB

Download
memory/2308-1-0x0000000000BA0000-0x0000000000C20000-memory.dmp

Filesize
512KB

Download