formbook | 033d52b01807172f9946d2c20c009df5c1a6a65ea153d75cc6e670d2151f79cc

General

Target

lSQSMS1aatHclJP.exe
Size

734KB
MD5

b5ecdb2b4c89d8b2111fef5112b3d59c
SHA1

c7e446bbdd1a23d47e860f3bf029ab8fea3621af
SHA256

033d52b01807172f9946d2c20c009df5c1a6a65ea153d75cc6e670d2151f79cc
SHA512

0e102a230c2e3757e1e5f6e44af8bf14d6f866768d7054dd1f21793374ab6d8090d112558700fab87a31f5e2197fbb6cb215cad72b511a94526a1fcfe3015866
SSDEEP

12288:8kMCVc1FDEC8oAc08NZ8OwESaDj3xvvn+EcVt8gnx2cHss/S+PHc42xtAq:pMGc1r8ooiYCj3xvv+9Yux2cHs6Sq84c

Score

10^/10

formbook fqwu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

fqwu

Decoy

N6XHavFRXQTRmNUkF9dn

EoaWTgFMmLFmUJ7CJNkTiGoj5A==

Dm+WNJDwSQa5cML3Q7EBiGoj5A==

nixR8ZCkOWjqrASBuic=

yvWQNApkdf4QYIih4+xUDY0=

RtmBQtDYDb50g8btXA==

8SU541y9Ec12NYK8PSOfA8OPpaphimY=

/yEvxvlAkquuY3W1QQ==

AlHZgYW4BiI9V+M=

YsHIUsAOO15j+9TnWA==

JJu1S7QIIMij0xUqlUtv

CmWBLrD98YnyUCCFvy0=

uPwhAVEvtu1rTuY=

PI6bR88GVGXmRlpxpKjtBpo=

GnL7qs9HVQAiF6ckF9dn

2zVeBFKZgO1rTuY=

2VI1VpOg7boCAFxvrWN3ys9rovE=

L1lO62zA2o1QEEZRQtgh7g==

brhF5dY1e3zmSyCFvy0=

U6m2TsEidTTdsA5kX8wh7g==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer 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

Processes:

lSQSMS1aatHclJP.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	lSQSMS1aatHclJP.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

lSQSMS1aatHclJP.exelSQSMS1aatHclJP.execmd.exe

description	pid	process	target process
PID 4252 set thread context of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 4876 set thread context of 2584	4876	lSQSMS1aatHclJP.exe	Explorer.EXE
PID 1280 set thread context of 2584	1280	cmd.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

lSQSMS1aatHclJP.execmd.exe

pid	process
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
4876	lSQSMS1aatHclJP.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe
1280	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2584 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

lSQSMS1aatHclJP.execmd.exe

pid process

4876 lSQSMS1aatHclJP.exe
4876 lSQSMS1aatHclJP.exe
4876 lSQSMS1aatHclJP.exe
1280 cmd.exe
1280 cmd.exe
1280 cmd.exe
1280 cmd.exe

pid	process
2584	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

lSQSMS1aatHclJP.exeExplorer.EXEcmd.exe

description	pid	process
Token: SeDebugPrivilege	4876	lSQSMS1aatHclJP.exe
Token: SeShutdownPrivilege	2584	Explorer.EXE
Token: SeCreatePagefilePrivilege	2584	Explorer.EXE
Token: SeShutdownPrivilege	2584	Explorer.EXE
Token: SeCreatePagefilePrivilege	2584	Explorer.EXE
Token: SeDebugPrivilege	1280	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

lSQSMS1aatHclJP.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 4252 wrote to memory of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 4252 wrote to memory of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 4252 wrote to memory of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 4252 wrote to memory of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 4252 wrote to memory of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 4252 wrote to memory of 4876	4252	lSQSMS1aatHclJP.exe	lSQSMS1aatHclJP.exe
PID 2584 wrote to memory of 1280	2584	Explorer.EXE	cmd.exe
PID 2584 wrote to memory of 1280	2584	Explorer.EXE	cmd.exe
PID 2584 wrote to memory of 1280	2584	Explorer.EXE	cmd.exe
PID 1280 wrote to memory of 4024	1280	cmd.exe	Firefox.exe
PID 1280 wrote to memory of 4024	1280	cmd.exe	Firefox.exe
PID 1280 wrote to memory of 4024	1280	cmd.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584

C:\Users\Admin\AppData\Local\Temp\lSQSMS1aatHclJP.exe
"C:\Users\Admin\AppData\Local\Temp\lSQSMS1aatHclJP.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4252

C:\Users\Admin\AppData\Local\Temp\lSQSMS1aatHclJP.exe
"C:\Users\Admin\AppData\Local\Temp\lSQSMS1aatHclJP.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4876

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1280-149-0x0000000000060000-0x00000000000BA000-memory.dmp

Filesize
360KB

Download
memory/1280-150-0x0000000001870000-0x0000000001BBA000-memory.dmp

Filesize
3.3MB

Download
memory/1280-146-0x0000000000000000-mapping.dmp

Download
memory/1280-151-0x0000000000FA0000-0x0000000000FCD000-memory.dmp

Filesize
180KB

Download
memory/1280-152-0x0000000001770000-0x00000000017FF000-memory.dmp

Filesize
572KB

Download
memory/1280-154-0x0000000000FA0000-0x0000000000FCD000-memory.dmp

Filesize
180KB

Download
memory/2584-155-0x00000000029A0000-0x0000000002A8C000-memory.dmp

Filesize
944KB

Download
memory/2584-153-0x00000000029A0000-0x0000000002A8C000-memory.dmp

Filesize
944KB

Download
memory/2584-145-0x0000000006E30000-0x0000000006F7D000-memory.dmp

Filesize
1.3MB

Download
memory/4252-132-0x0000000000B80000-0x0000000000C3E000-memory.dmp

Filesize
760KB

Download
memory/4252-136-0x0000000009310000-0x00000000093AC000-memory.dmp

Filesize
624KB

Download
memory/4252-135-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4252-134-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/4252-133-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4876-137-0x0000000000000000-mapping.dmp

Download
memory/4876-148-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4876-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-144-0x0000000000AC0000-0x0000000000AD0000-memory.dmp

Filesize
64KB

Download
memory/4876-143-0x0000000000F30000-0x000000000127A000-memory.dmp

Filesize
3.3MB

Download
memory/4876-141-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4876-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads