formbook | ab97265f431377cd69aff7aed2c43778360f2d58bad6e0b86c007ad25727bf85

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 06:03

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General

Target

nqyjqo.exe
Size

100KB
MD5

3d5e9bfede23e9c1b446fc3f9274d764
SHA1

0844992797324021269266770a5c77d31f4ae95f
SHA256

77a8bd4f7e493bf79ecc66caeabfa0e769c8a236cf67c61c94d5f8c58cc69d3e
SHA512

6c8f750bbb4d35c055390d72c3b8232e646390155532517640fa479ee0b2d1891997ff18d26c01a1d66c9d751d3f6215387f1df12d73f0249acdc7827647cb52
SSDEEP

3072:qiOJNQvDOGx9jVgAdE9UsbbrkQFqhDJ255C5M4Q:sYDJXgTUmzq+

Score

10^/10

formbook u6hu discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

u6hu

Decoy

OvIuZKrtOMxghbaZbvb/8h9g+Q==

mjHLVEVO8gwVeZ+7

Lh1lcZzH8pTXgpdDzV0vzyVooAsviHQ=

OzJXhMQYaQKNT1aBY/gM8h9g+Q==

WSJFbX28mK+jXVvRJofdtSc=

mEv6JdT2o7Nq++XYt8MFpx5QrhRdhA==

Wxf/NnjMRlBj6JK3jg==

nB21Q0tg7gEVeZ+7

IZinOswGUPAn51eHvCAoMetC

INxV9PYg7AQP0xyDAyg=

kkZP+Iq1AgMVeZ+7

meuru6sSaxxuoLS7gA==

y0jMTFyffedqCSRXVfm/

sJbTfRVKuQScxw==

+ecHP3ayIjYFnb7j2Pt6z5dK

uZnHRwRE9QwVeZ+7

ZBg6Sy054P4oHp0DknCx

nFXn8j4yTuJ9aOfNlw==

35ygHt8uASpReRyDAyg=

8nT3T+8eWeh6aOfNlw==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	nqyjqo.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4816 set thread context of 4416	4816	nqyjqo.exe	83
PID 4416 set thread context of 3456	4416	nqyjqo.exe	56
PID 4156 set thread context of 3456	4156	ipconfig.exe	56

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	nqyjqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4156	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4816	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4416	nqyjqo.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe
4156	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	nqyjqo.exe
Token: SeDebugPrivilege	4156	ipconfig.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4416	4816	nqyjqo.exe	83
PID 4816 wrote to memory of 4416	4816	nqyjqo.exe	83
PID 4816 wrote to memory of 4416	4816	nqyjqo.exe	83
PID 4816 wrote to memory of 4416	4816	nqyjqo.exe	83
PID 3456 wrote to memory of 4156	3456	Explorer.EXE	84
PID 3456 wrote to memory of 4156	3456	Explorer.EXE	84
PID 3456 wrote to memory of 4156	3456	Explorer.EXE	84
PID 4156 wrote to memory of 3648	4156	ipconfig.exe	101
PID 4156 wrote to memory of 3648	4156	ipconfig.exe	101
PID 4156 wrote to memory of 3648	4156	ipconfig.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe
  "C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe
    "C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4416
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4156
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3456-13-0x0000000008720000-0x00000000087D5000-memory.dmp

Filesize
724KB

Download
memory/3456-15-0x0000000008860000-0x0000000008952000-memory.dmp

Filesize
968KB

Download
memory/3456-18-0x0000000008860000-0x0000000008952000-memory.dmp

Filesize
968KB

Download
memory/3456-16-0x0000000008860000-0x0000000008952000-memory.dmp

Filesize
968KB

Download
memory/3456-9-0x0000000008720000-0x00000000087D5000-memory.dmp

Filesize
724KB

Download
memory/4156-11-0x0000000000DD0000-0x0000000000DDB000-memory.dmp

Filesize
44KB

Download
memory/4156-10-0x0000000000DD0000-0x0000000000DDB000-memory.dmp

Filesize
44KB

Download
memory/4156-12-0x0000000000A80000-0x0000000000AAD000-memory.dmp

Filesize
180KB

Download
memory/4416-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4416-8-0x00000000011E0000-0x00000000011F0000-memory.dmp

Filesize
64KB

Download
memory/4416-5-0x00000000016B0000-0x00000000019FA000-memory.dmp

Filesize
3.3MB

Download
memory/4416-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4416-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4416-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4416-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4816-0-0x0000000001200000-0x0000000001202000-memory.dmp

Filesize
8KB

Download