formbook | bf6513dbe99d57322fde95916e2955faf9a3f83803aff2558903023d53882fc2

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:48

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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
behavioral1/memory/2044-205-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2044-209-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
2044	AddInProcess32.exe

Loads dropped DLL 2 IoCs

pid	Process
1056	quotation inqury.exe
1056	quotation inqury.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 2044	1056	quotation inqury.exe	31
PID 2044 set thread context of 1188	2044	AddInProcess32.exe	21
PID 1664 set thread context of 1188	1664	help.exe	21

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	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1056	quotation inqury.exe
2044	AddInProcess32.exe
2044	AddInProcess32.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe
1664	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2044	AddInProcess32.exe
2044	AddInProcess32.exe
2044	AddInProcess32.exe
1664	help.exe
1664	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	quotation inqury.exe
Token: SeDebugPrivilege	2044	AddInProcess32.exe
Token: SeDebugPrivilege	1664	help.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1056 wrote to memory of 2044	1056	quotation inqury.exe	31
PID 1188 wrote to memory of 1664	1188	Explorer.EXE	32
PID 1188 wrote to memory of 1664	1188	Explorer.EXE	32
PID 1188 wrote to memory of 1664	1188	Explorer.EXE	32
PID 1188 wrote to memory of 1664	1188	Explorer.EXE	32
PID 1664 wrote to memory of 1684	1664	help.exe	33
PID 1664 wrote to memory of 1684	1664	help.exe	33
PID 1664 wrote to memory of 1684	1664	help.exe	33
PID 1664 wrote to memory of 1684	1664	help.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- 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:1056
- - 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:2044
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1664
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1684

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

Replay Monitor

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Downloads

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

Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\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/1056-36-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-68-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-2-0x00000000004D0000-0x00000000004FC000-memory.dmp

Filesize
176KB

Download
memory/1056-3-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1056-72-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-70-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-30-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-66-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-64-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-62-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-60-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-28-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-56-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-54-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-52-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-50-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-48-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-46-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-44-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-42-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-32-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-38-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

Filesize
4KB

Download
memory/1056-34-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-40-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-1-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/1056-58-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-26-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-24-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-22-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-20-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-18-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-16-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-14-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-12-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-11-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/1056-10-0x0000000073E00000-0x0000000073E80000-memory.dmp

Filesize
512KB

Download
memory/1056-191-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1056-193-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1056-194-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1056-195-0x0000000000570000-0x000000000057C000-memory.dmp

Filesize
48KB

Download
memory/1056-206-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1188-211-0x0000000004FB0000-0x000000000509F000-memory.dmp

Filesize
956KB

Download
memory/1188-216-0x0000000004FB0000-0x000000000509F000-memory.dmp

Filesize
956KB

Download
memory/1664-214-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2044-205-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2044-210-0x00000000000F0000-0x0000000000104000-memory.dmp

Filesize
80KB

Download
memory/2044-209-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2044-208-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download