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
behavioral2/memory/4448-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97

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
760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4448	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
4448	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 760	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	95
PID 1048 wrote to memory of 760	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	95
PID 1048 wrote to memory of 760	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	95
PID 1048 wrote to memory of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97
PID 1048 wrote to memory of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97
PID 1048 wrote to memory of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97
PID 1048 wrote to memory of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97
PID 1048 wrote to memory of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97
PID 1048 wrote to memory of 4448	1048	5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe	97

C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
"C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NyHwxWSaYDxx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E7F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:760
- C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe
  "C:\Users\Admin\AppData\Local\Temp\5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4448

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

Query Registry

1

T1012

System Information Discovery

2

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\tmp8E7F.tmp

Filesize
1KB

MD5
1a58c222b8ffb8c562b6633aaf98bfd8

SHA1
6d34edbfc00d0c28ba401f390701be3ff60e1b3a

SHA256
bba2ce5000522a95b9e7355c122a810c68657b035336e1eb006a206a39af627a

SHA512
74cf41729d7c403a5c813411d25a3423193be893ba3974b33a839396e30ecb6dbe32322eba572d6eb18e93f29b8b2c2c78586bc2f762c5f7b8ca256ab5b8cb9d

Download Submit
memory/1048-0-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/1048-1-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/1048-2-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/1048-3-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/1048-4-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/1048-5-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/1048-6-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/1048-14-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4448-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4448-15-0x0000000001260000-0x00000000015AA000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads