formbook | fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc

General

Target

fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe
Size

605KB
MD5

02f965a386a4d013fd3797e60b7bfb74
SHA1

2232f1b561c50a1c33ff1f282e198e3de978001f
SHA256

fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc
SHA512

6e10046bd2c9c830b5534032e9b2205c313c8e5fd7939e039586286c97d63b1fd36565942d5811c0831a598e8e37738abc648db4b203bd85642fb70cd38408d2
SSDEEP

12288:wkRybL6s+wv7eIxTJk6KysPepbTI2iNqcQdAY+oIlf9loFiWKsQ:zRU6s+wyIpqbPexTI2vTV+df9WrK

Score

10^/10

formbook ms84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ms84

Decoy

ecurity-ukgaxq.xyz

45ee.top

risiddivinayaka.net

tizip-skill.xyz

ostcanadantet.top

764.xyz

oco188rtp.xyz

lobalacessory.shop

qcq-serve.xyz

dameth.top

arge-eycert.xyz

yzwj-she.xyz

bgfrp-plant.xyz

emesiartwork.net

rcw-hotel.xyz

loor-dfqzpi.xyz

vidence-zvkkln.xyz

oisthuchoyarura.shop

959108ttltxfm842.top

apzcc-both.xyz

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
behavioral1/memory/2248-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	2248	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2384 wrote to memory of 2248	2384	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	30
PID 2248 wrote to memory of 2572	2248	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	31
PID 2248 wrote to memory of 2572	2248	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	31
PID 2248 wrote to memory of 2572	2248	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	31
PID 2248 wrote to memory of 2572	2248	fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe	31

C:\Users\Admin\AppData\Local\Temp\fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe
"C:\Users\Admin\AppData\Local\Temp\fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe
  "C:\Users\Admin\AppData\Local\Temp\fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 36
    3⤵
    - Program crash
    PID:2572

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/2248-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2248-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2248-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2248-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2384-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2384-1-0x0000000000D70000-0x0000000000E0C000-memory.dmp

Filesize
624KB

Download
memory/2384-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2384-3-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2384-4-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2384-5-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/2384-6-0x0000000004FF0000-0x0000000005066000-memory.dmp

Filesize
472KB

Download
memory/2384-13-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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