formbook | 5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294

General

Target

5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
Size

1.1MB
MD5

3a1133a31a67b64ec6165ac328098fdf
SHA1

43c43d1025925785a23ec4b160dfd566135266ca
SHA256

5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294
SHA512

4014477c4f2ab52fd54747891d14e5817ee7090fc2716c1837284f9887b67c58f697278c22a40c4ff30d9d40d16b0e43b907a2927272152b68b6fd4e4bd1db37
SSDEEP

24576:bU1zwrxR4lWzWzm1ejk7ZDsLCoFCS4/d8:40R4lEWzm1e47MCogH/K

Score

10^/10

formbook j7e discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

j7e

Decoy

cefuoficial.com

luxmusicclub.com

getridofmyed.xyz

sports-plaza.com

peteropsomer.com

kemendi.com

divinciresolve.com

readtogrowup.com

hidex-corp.com

aladininternational.com

snesait.art

ezzpick.net

saveashow.com

eazyprintsplus.com

usadatesclub.com

rafaelraf.com

themiamadison.com

regarta.com

aiocitys.net

ahorn-invest.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
behavioral1/memory/2684-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2684	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2864	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	31
PID 2572 wrote to memory of 2864	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	31
PID 2572 wrote to memory of 2864	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	31
PID 2572 wrote to memory of 2864	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	31
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33
PID 2572 wrote to memory of 2684	2572	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	33

C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
"C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NyHwxWSaYDxx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF844.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2864
- C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
  "C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF844.tmp

Filesize
1KB

MD5
9adf056ffa7961a3b4203ed9de1dd7ca

SHA1
397c9124e1cc9b4953d3b2a940ab40083e44e251

SHA256
ad71241f6c9b284aa476911d386cfb7f9b9ebad0d265fe1b3d1bf8413eabe1cd

SHA512
8f5eb9f1f6bace21eb1b2439d5e64b6e53dab700864d3dfb76422fff9daace29d0d62d122361b38604c7798030d6946e1071e212e6d251b45e148428204ff15a

Download Submit
memory/2572-3-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2572-2-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2572-0-0x0000000074C61000-0x0000000074C62000-memory.dmp

Filesize
4KB

Download
memory/2572-4-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2572-5-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2572-1-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2572-18-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2684-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2684-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2684-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2684-19-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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