formbook | ba51afdb597f570e1914c3253b219b6397f9df8f6448a33991dafe561706f2db

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24/09/2022, 23:54

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General

Target

DHL SHIPMENT.exe
Size

274KB
MD5

904526ba0b032ab844c0b258a9b038a1
SHA1

2c5ae47c87cf9111300fc0063f8054a5e33e8cab
SHA256

ba51afdb597f570e1914c3253b219b6397f9df8f6448a33991dafe561706f2db
SHA512

ec393d0efe237a274570dd986d162748fd8d6dc5183a2745a6dd8870b21f000fa495742937e19f05ea6220c27adaa21f7a1ecafa7bd20f070a54334d8cb14520
SSDEEP

6144:nKsjATsXadzG3nGFqPwlwV/ERgSi1AbQ6Qi33IBzz6jG:KsjATsXaw3WywO2gSgANQioBzz6K

Score

10^/10

formbook fqsu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

fqsu

Decoy

GhfTqaOqC4FsyoQRW/8=

kbPIpd/8k1C6zJz5mYYdK90ZUA==

VIdg/CoNGeYJHA==

KhzoqndOhw1j43z0ew==

wv8mTDcsX2wJN/Q=

MqBgt6S+3BgGKBQHLZy7Ucg=

GyhOb++nZDi39NPK7dbaKapf

pBtD1UoSTdo3eSp9H7OhRqMV0TAuKMU=

WTzTg1w+fP4fMO0oPPM=

NS/tpGdUwkiMwqmgkxoSzjrQATAuKMU=

MnoSdM1hYn4tdwxjB2fX

3EUfH2EJY17mMf4=

V9/wg2yCQruVszm7V+4=

aNL8pZCGYW4Ej2LD

1Bif9VkmdgVfrJqRvl1GtlTZq1M=

9wHIgmB8EOB2uUVcUfk=

1Fdn15qem+fL1qhrY9xdQmAnVg==

Y32ThttYUUr6PsuRmozlNP74RD+uBz7dOQ==

f5HKyoWNAJLM2qjnZlizsvXDKFs=

mRfaGezap6ZyvJqthZvf

Signatures

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

description	pid	Process	procid_target
PID 1032 set thread context of 2824	1032	DHL SHIPMENT.exe	81
PID 2824 set thread context of 2152	2824	cvtres.exe	54
PID 4736 set thread context of 2152	4736	rundll32.exe	54

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1032	DHL SHIPMENT.exe
1032	DHL SHIPMENT.exe
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2152	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2824	cvtres.exe
2824	cvtres.exe
2824	cvtres.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	DHL SHIPMENT.exe
Token: SeDebugPrivilege	2824	cvtres.exe
Token: SeDebugPrivilege	4736	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 3912	1032	DHL SHIPMENT.exe	80
PID 1032 wrote to memory of 3912	1032	DHL SHIPMENT.exe	80
PID 1032 wrote to memory of 3912	1032	DHL SHIPMENT.exe	80
PID 1032 wrote to memory of 2824	1032	DHL SHIPMENT.exe	81
PID 1032 wrote to memory of 2824	1032	DHL SHIPMENT.exe	81
PID 1032 wrote to memory of 2824	1032	DHL SHIPMENT.exe	81
PID 1032 wrote to memory of 2824	1032	DHL SHIPMENT.exe	81
PID 1032 wrote to memory of 2824	1032	DHL SHIPMENT.exe	81
PID 1032 wrote to memory of 2824	1032	DHL SHIPMENT.exe	81
PID 2152 wrote to memory of 4736	2152	Explorer.EXE	82
PID 2152 wrote to memory of 4736	2152	Explorer.EXE	82
PID 2152 wrote to memory of 4736	2152	Explorer.EXE	82
PID 4736 wrote to memory of 3216	4736	rundll32.exe	90
PID 4736 wrote to memory of 3216	4736	rundll32.exe	90
PID 4736 wrote to memory of 3216	4736	rundll32.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\DHL SHIPMENT.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL SHIPMENT.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
    3⤵
    PID:3912
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2824
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:4736
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1032-132-0x0000000000250000-0x0000000000298000-memory.dmp

Filesize
288KB

Download
memory/2152-150-0x0000000007CB0000-0x0000000007DAD000-memory.dmp

Filesize
1012KB

Download
memory/2152-148-0x0000000007CB0000-0x0000000007DAD000-memory.dmp

Filesize
1012KB

Download
memory/2152-142-0x0000000007B30000-0x0000000007C23000-memory.dmp

Filesize
972KB

Download
memory/2824-141-0x0000000000E70000-0x0000000000E80000-memory.dmp

Filesize
64KB

Download
memory/2824-139-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2824-140-0x00000000011E0000-0x000000000152A000-memory.dmp

Filesize
3.3MB

Download
memory/2824-137-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-135-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4736-144-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/4736-146-0x0000000002D10000-0x000000000305A000-memory.dmp

Filesize
3.3MB

Download
memory/4736-147-0x0000000002A70000-0x0000000002AFF000-memory.dmp

Filesize
572KB

Download
memory/4736-145-0x0000000000E00000-0x0000000000E2D000-memory.dmp

Filesize
180KB

Download
memory/4736-149-0x0000000000E00000-0x0000000000E2D000-memory.dmp

Filesize
180KB

Download