formbook | 4a43e11ef89937899b693503f07525735c54e122053b9a9384a55df403c930af

General

Target

fc0811ee2baf6763e128641ee0499160N.exe
Size

726KB
MD5

fc0811ee2baf6763e128641ee0499160
SHA1

40f7134e7ea292bd068145155796b396c8537af4
SHA256

4a43e11ef89937899b693503f07525735c54e122053b9a9384a55df403c930af
SHA512

594292b3d0665fc340981f59b0d8c9621d1eaba9ae5b06d8c6a1d85dde940ea2f15aeca3adbbcb33656caedf1d35e78d38e7c852b64e30ab672c2424836ebc85
SSDEEP

12288:zUpOJEqPeu6bYTReSqs9dzQl3BkobD/gZ0z:YpaEqPeu0GRks7SBzbDG0

Score

10^/10

formbook ucze discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ucze

Decoy

motorcyclemagician.com

powerreport.xyz

ychfgdne.icu

presentschein.com

seabreathing.com

stlukeyouth.com

ifixconstruction.repair

thietbikhaithacdatuanphat.com

hexdeville.com

xn--planungsbro-stanko-u6b.net

elisebruneau.com

yxflwwbvz.icu

wafirainteriors.com

hexok.com

krewedubethkevin.com

lassilacgi.com

bestvolvowebsite.com

clarissajaneen.com

foreverchemicallawsuit.com

ebizkendra.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/452-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3580 set thread context of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97

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	fc0811ee2baf6763e128641ee0499160N.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3580	fc0811ee2baf6763e128641ee0499160N.exe
3580	fc0811ee2baf6763e128641ee0499160N.exe
3580	fc0811ee2baf6763e128641ee0499160N.exe
3580	fc0811ee2baf6763e128641ee0499160N.exe
452	fc0811ee2baf6763e128641ee0499160N.exe
452	fc0811ee2baf6763e128641ee0499160N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	fc0811ee2baf6763e128641ee0499160N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 2140	3580	fc0811ee2baf6763e128641ee0499160N.exe	95
PID 3580 wrote to memory of 2140	3580	fc0811ee2baf6763e128641ee0499160N.exe	95
PID 3580 wrote to memory of 2140	3580	fc0811ee2baf6763e128641ee0499160N.exe	95
PID 3580 wrote to memory of 692	3580	fc0811ee2baf6763e128641ee0499160N.exe	96
PID 3580 wrote to memory of 692	3580	fc0811ee2baf6763e128641ee0499160N.exe	96
PID 3580 wrote to memory of 692	3580	fc0811ee2baf6763e128641ee0499160N.exe	96
PID 3580 wrote to memory of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97
PID 3580 wrote to memory of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97
PID 3580 wrote to memory of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97
PID 3580 wrote to memory of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97
PID 3580 wrote to memory of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97
PID 3580 wrote to memory of 452	3580	fc0811ee2baf6763e128641ee0499160N.exe	97

C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe
"C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe"
  2⤵
  PID:2140
- C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe"
  2⤵
  PID:692
- C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc0811ee2baf6763e128641ee0499160N.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/452-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/452-15-0x0000000001100000-0x000000000144A000-memory.dmp

Filesize
3.3MB

Download
memory/3580-6-0x0000000005A90000-0x0000000005AAC000-memory.dmp

Filesize
112KB

Download
memory/3580-3-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/3580-4-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3580-5-0x00000000054B0000-0x00000000054BA000-memory.dmp

Filesize
40KB

Download
memory/3580-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3580-7-0x0000000008160000-0x00000000081FC000-memory.dmp

Filesize
624KB

Download
memory/3580-8-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3580-9-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3580-10-0x00000000080C0000-0x0000000008130000-memory.dmp

Filesize
448KB

Download
memory/3580-11-0x000000000A970000-0x000000000A9AA000-memory.dmp

Filesize
232KB

Download
memory/3580-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/3580-14-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3580-1-0x0000000000960000-0x0000000000A1C000-memory.dmp

Filesize
752KB

Download

Analysis

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