formbook | 5bdeae823decc2e03dbe71ea05e7ea871badc0865c0a2d0580d69761e1175900

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 06:34

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General

Target

Quotation.exe
Size

673KB
MD5

0a4e34ccc6e3e118f225a4f38f731a14
SHA1

d8f89c49dbf6376607ea5379963bd95973fbfd18
SHA256

5bdeae823decc2e03dbe71ea05e7ea871badc0865c0a2d0580d69761e1175900
SHA512

9fe90ed6095223ee98eb1372708cf77c7b2cd2482899bded7bd9f99f823afdeb89370309e0a087000e4345dab4b10a428ffd1d0afa486b7091f8fc3f30d0cc70
SSDEEP

12288:1XFAO9mjNkvzScpPdK/Pr595FUCCVjscJ4nX0q2mY9+QQh3HEc:1XFNQyvzSYlCNIV+nX0q2I3HEc

Score

10^/10

formbook guloader hy29 discovery downloader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy29

Decoy

obswell.online

etflix.luxury

ulunguwethu.store

ulbcenter.shop

nswering-service-mi-de-tt.click

upport-marketplace84.click

wepxbd163.lat

mplants-doctors.today

aofexf90yj.top

hermodynamic.space

dfg3n489.cyou

off.gay

alkak.cam

ijanarko.net

7tl.site

yaanincma.store

ires-47022.bond

elek4dalt77.xyz

foxsakepeople.online

ndefeatedqs.shop

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/944-20-0x0000000000400000-0x0000000001654000-memory.dmp	formbook
behavioral2/memory/944-21-0x0000000000400000-0x0000000001654000-memory.dmp	formbook
behavioral2/memory/1196-24-0x0000000000600000-0x000000000062F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
1084	Quotation.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
944	Quotation.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1084	Quotation.exe
944	Quotation.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 944	1084	Quotation.exe	95
PID 944 set thread context of 3368	944	Quotation.exe	56
PID 1196 set thread context of 3368	1196	cscript.exe	56

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\fips\beskydende.ini	Quotation.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
944	Quotation.exe
944	Quotation.exe
944	Quotation.exe
944	Quotation.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe
1196	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1084	Quotation.exe
944	Quotation.exe
944	Quotation.exe
944	Quotation.exe
1196	cscript.exe
1196	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	Quotation.exe
Token: SeDebugPrivilege	1196	cscript.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3368	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 944	1084	Quotation.exe	95
PID 1084 wrote to memory of 944	1084	Quotation.exe	95
PID 1084 wrote to memory of 944	1084	Quotation.exe	95
PID 1084 wrote to memory of 944	1084	Quotation.exe	95
PID 1084 wrote to memory of 944	1084	Quotation.exe	95
PID 3368 wrote to memory of 1196	3368	Explorer.EXE	96
PID 3368 wrote to memory of 1196	3368	Explorer.EXE	96
PID 3368 wrote to memory of 1196	3368	Explorer.EXE	96
PID 1196 wrote to memory of 3668	1196	cscript.exe	97
PID 1196 wrote to memory of 3668	1196	cscript.exe	97
PID 1196 wrote to memory of 3668	1196	cscript.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:944
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:1196
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\nss7F54.tmp\System.dll

Filesize
12KB

MD5
4add245d4ba34b04f213409bfe504c07

SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

Download Submit
memory/944-18-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/944-23-0x0000000001660000-0x0000000003B69000-memory.dmp

Filesize
37.0MB

Download
memory/944-21-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/944-20-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/944-19-0x0000000001660000-0x0000000003B69000-memory.dmp

Filesize
37.0MB

Download
memory/1084-14-0x0000000005630000-0x0000000007B39000-memory.dmp

Filesize
37.0MB

Download
memory/1084-17-0x0000000005630000-0x0000000007B39000-memory.dmp

Filesize
37.0MB

Download
memory/1084-15-0x0000000073E35000-0x0000000073E36000-memory.dmp

Filesize
4KB

Download
memory/1084-16-0x0000000073E30000-0x0000000073E37000-memory.dmp

Filesize
28KB

Download
memory/1084-13-0x0000000077741000-0x0000000077861000-memory.dmp

Filesize
1.1MB

Download
memory/1084-12-0x0000000005630000-0x0000000007B39000-memory.dmp

Filesize
37.0MB

Download
memory/1196-22-0x0000000000A80000-0x0000000000AA7000-memory.dmp

Filesize
156KB

Download
memory/1196-24-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/3368-26-0x00000000084F0000-0x000000000866C000-memory.dmp

Filesize
1.5MB

Download