formbook | 4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 10:23

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General

Target

4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
Size

1.1MB
MD5

64dbde73e410165a5e6566ed2b2282b6
SHA1

7635298f794a9c7a68ac7675ca33574a765b8fb7
SHA256

4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312
SHA512

2bb58b47caca2be94fa934b34f6e0630a4281dc63ef908a11155a3986cfdd1316bc6ee93fe41e4486b2e2bc5153c8175b990653c9ef59de81af8ada7222d4b46
SSDEEP

24576:KfmMv6Ckr7Mny5Qtz8SC9Z0TKqIrZopc8jiFiYpn/N9H0:K3v+7/5QtUYLIF8uFHpn19H0

Score

10^/10

formbook e62s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4836-3-0x00000000003C0000-0x00000000003EF000-memory.dmp	formbook
behavioral2/memory/4836-7-0x00000000003C0000-0x00000000003EF000-memory.dmp	formbook
behavioral2/memory/1188-15-0x0000000000AF0000-0x0000000000B1F000-memory.dmp	formbook
behavioral2/memory/1188-17-0x0000000000AF0000-0x0000000000B1F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4760 set thread context of 4836	4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	82
PID 4836 set thread context of 3448	4836	svchost.exe	56
PID 1188 set thread context of 3448	1188	msiexec.exe	56

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 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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4836	svchost.exe
4836	svchost.exe
4836	svchost.exe
4836	svchost.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe
1188	msiexec.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
4836	svchost.exe
4836	svchost.exe
4836	svchost.exe
1188	msiexec.exe
1188	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4836	svchost.exe
Token: SeDebugPrivilege	1188	msiexec.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 4836	4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	82
PID 4760 wrote to memory of 4836	4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	82
PID 4760 wrote to memory of 4836	4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	82
PID 4760 wrote to memory of 4836	4760	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	82
PID 3448 wrote to memory of 1188	3448	Explorer.EXE	83
PID 3448 wrote to memory of 1188	3448	Explorer.EXE	83
PID 3448 wrote to memory of 1188	3448	Explorer.EXE	83
PID 1188 wrote to memory of 4608	1188	msiexec.exe	84
PID 1188 wrote to memory of 4608	1188	msiexec.exe	84
PID 1188 wrote to memory of 4608	1188	msiexec.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
  "C:\Users\Admin\AppData\Local\Temp\4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4836
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:1188
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4608

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

Replay Monitor

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Downloads

memory/1188-12-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/1188-19-0x0000000002830000-0x00000000028C4000-memory.dmp

Filesize
592KB

Download
memory/1188-17-0x0000000000AF0000-0x0000000000B1F000-memory.dmp

Filesize
188KB

Download
memory/1188-16-0x0000000002AC0000-0x0000000002E0A000-memory.dmp

Filesize
3.3MB

Download
memory/1188-15-0x0000000000AF0000-0x0000000000B1F000-memory.dmp

Filesize
188KB

Download
memory/1188-14-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/1188-10-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/3448-18-0x0000000002FB0000-0x00000000030BE000-memory.dmp

Filesize
1.1MB

Download
memory/3448-9-0x0000000002FB0000-0x00000000030BE000-memory.dmp

Filesize
1.1MB

Download
memory/3448-23-0x0000000002DB0000-0x0000000002E5B000-memory.dmp

Filesize
684KB

Download
memory/3448-24-0x0000000002DB0000-0x0000000002E5B000-memory.dmp

Filesize
684KB

Download
memory/3448-26-0x0000000002DB0000-0x0000000002E5B000-memory.dmp

Filesize
684KB

Download
memory/4760-2-0x0000000004310000-0x0000000004710000-memory.dmp

Filesize
4.0MB

Download
memory/4836-7-0x00000000003C0000-0x00000000003EF000-memory.dmp

Filesize
188KB

Download
memory/4836-8-0x0000000001460000-0x0000000001475000-memory.dmp

Filesize
84KB

Download
memory/4836-6-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/4836-3-0x00000000003C0000-0x00000000003EF000-memory.dmp

Filesize
188KB

Download