formbook | 21d94f150ecb5e0c41e1dd59d88284f321a77062726213c9eaebb6f655e047c6

Analysis

max time kernel
148s
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
25-12-2024 00:37

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General

Target

quotation inqury.exe
Size

629KB
MD5

fd9b04760439ae4dbe36397690b42380
SHA1

5dc6d63ef88a09d219444a902b99100c2b0e26be
SHA256

15e41f9b684c8df81ae0c2d5d68a036cdf20593fd72d0c7200c2da474a813f30
SHA512

c0aec2a570b5c80da005c113a7e9762bbbfec177ff1473648375c4425e46ded5cb66aff20f2b14f14f84957602add948adc5e9f28027a73704aa8dad1cb76807
SSDEEP

6144:TOnJca2zaKjDtzIiYWOcMQF1Nej+zXtUw3YFlv/Dk9C+rYW:TqiqKjFBHXNeiT2nqt

Score

10^/10

formbook rwo discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rwo

Decoy

byyter.com

getintimacy.com

toptenvapes.com

coinbaxie.com

fiebluw.info

doerwang.site

795809.com

cuttingquarters.com

loveinspiredtees.com

504oysters.com

laboratoryinterior.com

techguybrian.com

twsexy2mm.com

photocatalystproducts.com

frankfoster.mobi

busingasim.com

cardanoapp.store

fhstzy.com

sanctuarytherapycenter.com

ctc-fra.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4232-205-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4232-209-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
4232	AddInProcess32.exe

Loads dropped DLL 1 IoCs

pid	Process
3176	quotation inqury.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3176 set thread context of 4232	3176	quotation inqury.exe	91
PID 4232 set thread context of 3420	4232	AddInProcess32.exe	56
PID 216 set thread context of 3420	216	wscript.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	quotation inqury.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
3176	quotation inqury.exe
4232	AddInProcess32.exe
4232	AddInProcess32.exe
4232	AddInProcess32.exe
4232	AddInProcess32.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe
216	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4232	AddInProcess32.exe
4232	AddInProcess32.exe
4232	AddInProcess32.exe
216	wscript.exe
216	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	quotation inqury.exe
Token: SeDebugPrivilege	4232	AddInProcess32.exe
Token: SeDebugPrivilege	216	wscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4232	3176	quotation inqury.exe	91
PID 3176 wrote to memory of 4232	3176	quotation inqury.exe	91
PID 3176 wrote to memory of 4232	3176	quotation inqury.exe	91
PID 3176 wrote to memory of 4232	3176	quotation inqury.exe	91
PID 3176 wrote to memory of 4232	3176	quotation inqury.exe	91
PID 3176 wrote to memory of 4232	3176	quotation inqury.exe	91
PID 3420 wrote to memory of 216	3420	Explorer.EXE	92
PID 3420 wrote to memory of 216	3420	Explorer.EXE	92
PID 3420 wrote to memory of 216	3420	Explorer.EXE	92
PID 216 wrote to memory of 3220	216	wscript.exe	93
PID 216 wrote to memory of 3220	216	wscript.exe	93
PID 216 wrote to memory of 3220	216	wscript.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\quotation inqury.exe
  "C:\Users\Admin\AppData\Local\Temp\quotation inqury.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3176
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4232
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\b1f92ac9-345d-4ee6-83d6-512dab76f3b9\i.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/216-214-0x0000000000C60000-0x0000000000C87000-memory.dmp

Filesize
156KB

Download
memory/3176-39-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-200-0x0000000006EA0000-0x0000000006EAC000-memory.dmp

Filesize
48KB

Download
memory/3176-36-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-3-0x0000000002C70000-0x0000000002C9C000-memory.dmp

Filesize
176KB

Download
memory/3176-4-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/3176-5-0x00000000051F0000-0x0000000005234000-memory.dmp

Filesize
272KB

Download
memory/3176-6-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/3176-72-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-76-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-74-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-70-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-68-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-66-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-65-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-62-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-60-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-58-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-56-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-54-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-52-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-48-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-47-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-44-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-42-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-40-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/3176-2-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3176-34-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-1-0x0000000000760000-0x0000000000802000-memory.dmp

Filesize
648KB

Download
memory/3176-24-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-22-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-20-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-18-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-16-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-15-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-14-0x0000000073950000-0x00000000739D9000-memory.dmp

Filesize
548KB

Download
memory/3176-50-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-30-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-28-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-26-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-195-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/3176-196-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3176-197-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3176-199-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3176-33-0x0000000002C70000-0x0000000002C96000-memory.dmp

Filesize
152KB

Download
memory/3176-206-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3420-211-0x0000000009010000-0x0000000009193000-memory.dmp

Filesize
1.5MB

Download
memory/3420-216-0x0000000009010000-0x0000000009193000-memory.dmp

Filesize
1.5MB

Download
memory/3420-220-0x0000000008BE0000-0x0000000008CCF000-memory.dmp

Filesize
956KB

Download
memory/3420-223-0x0000000008BE0000-0x0000000008CCF000-memory.dmp

Filesize
956KB

Download
memory/4232-205-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4232-207-0x0000000001810000-0x0000000001B5A000-memory.dmp

Filesize
3.3MB

Download
memory/4232-210-0x0000000001240000-0x0000000001254000-memory.dmp

Filesize
80KB

Download
memory/4232-209-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download