formbook | 7e4d84d36889148970a14fd723088957130ba31453d1f43f0763468d88b2e0d8

Analysis

max time kernel
147s
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
25-12-2024 19:17

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General

Target

SWIFT103 712022.exe
Size

387KB
MD5

638558c2f8af532363c3180bb506c96f
SHA1

459e5a5caa47b028b9e2232c243eaab06a05c373
SHA256

773f4e455bb27130ff47db4f2d5b4b947f621173f1399cbbfa85181027a1686b
SHA512

7ad4334f0e67f4175f4a415747baa2babeda1b2650c7788b6e166555406e089c0eb416c26c7815900d7e31506c7412b29c82df4c0f8f1862988468f6bb9bf918
SSDEEP

12288:bbtN4pIlmfK59lxTbgGQCT5wA/OINDljwv:bbtlNlxgGQ+aAWINZM

Score

10^/10

formbook ja25 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ja25

Decoy

walkinet.com

shuifengshi.com

slowbarcelona.com

memc-gvo.com

bloquo.com

aurelashesbeauty.com

makepassiveway.com

kguvpkh.icu

benny.industries

t04mo9.com

getafurnace.com

earthadventurers.today

partsgt.com

kg0sxa1.icu

p7lzww8m.space

sarkariyojanayain.com

asp7ex4.icu

kg6u7ik.icu

h2butterfly.com

herdesirablepleasures.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2316-8-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2316-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4616-18-0x0000000000600000-0x000000000062F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 2316	1964	SWIFT103 712022.exe	82
PID 2316 set thread context of 3500	2316	InstallUtil.exe	56
PID 4616 set thread context of 3500	4616	chkdsk.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	SWIFT103 712022.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1964	SWIFT103 712022.exe
1964	SWIFT103 712022.exe
2316	InstallUtil.exe
2316	InstallUtil.exe
2316	InstallUtil.exe
2316	InstallUtil.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe
4616	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2316	InstallUtil.exe
2316	InstallUtil.exe
2316	InstallUtil.exe
4616	chkdsk.exe
4616	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	InstallUtil.exe
Token: SeDebugPrivilege	4616	chkdsk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2316	1964	SWIFT103 712022.exe	82
PID 1964 wrote to memory of 2316	1964	SWIFT103 712022.exe	82
PID 1964 wrote to memory of 2316	1964	SWIFT103 712022.exe	82
PID 1964 wrote to memory of 2316	1964	SWIFT103 712022.exe	82
PID 1964 wrote to memory of 2316	1964	SWIFT103 712022.exe	82
PID 1964 wrote to memory of 2316	1964	SWIFT103 712022.exe	82
PID 3500 wrote to memory of 4616	3500	Explorer.EXE	83
PID 3500 wrote to memory of 4616	3500	Explorer.EXE	83
PID 3500 wrote to memory of 4616	3500	Explorer.EXE	83
PID 4616 wrote to memory of 2916	4616	chkdsk.exe	84
PID 4616 wrote to memory of 2916	4616	chkdsk.exe	84
PID 4616 wrote to memory of 2916	4616	chkdsk.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\SWIFT103 712022.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT103 712022.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2316
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/1964-10-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1964-1-0x00000000009B0000-0x0000000000A16000-memory.dmp

Filesize
408KB

Download
memory/1964-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/1964-3-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/1964-4-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1964-5-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/1964-6-0x0000000005790000-0x00000000057FC000-memory.dmp

Filesize
432KB

Download
memory/1964-7-0x0000000006AF0000-0x0000000006B3C000-memory.dmp

Filesize
304KB

Download
memory/1964-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2316-11-0x0000000001A30000-0x0000000001D7A000-memory.dmp

Filesize
3.3MB

Download
memory/2316-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2316-14-0x0000000001530000-0x0000000001545000-memory.dmp

Filesize
84KB

Download
memory/2316-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3500-15-0x0000000008A50000-0x0000000008B83000-memory.dmp

Filesize
1.2MB

Download
memory/3500-19-0x0000000008A50000-0x0000000008B83000-memory.dmp

Filesize
1.2MB

Download
memory/3500-23-0x0000000007C60000-0x0000000007D51000-memory.dmp

Filesize
964KB

Download
memory/3500-24-0x0000000007C60000-0x0000000007D51000-memory.dmp

Filesize
964KB

Download
memory/3500-26-0x0000000007C60000-0x0000000007D51000-memory.dmp

Filesize
964KB

Download
memory/4616-16-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/4616-17-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/4616-18-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download