formbook | 2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f

General

Target

2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
Size

1.1MB
MD5

1a34b1af5509c7b01d9fdc36fbef6464
SHA1

e92acfbb76d82da1cd49fb7ee525d67c0582153e
SHA256

2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f
SHA512

f52f8300acfa03c2b8a9c7dbbc70d3671a1f83023fcba1eeee835b9b297a1516364be37d28d816fccd50a61af64461e4581d8558f3100635ef7c96c1e7226a84
SSDEEP

24576:xqDEvCTbMWu7rQYlBQcBiT6rprG8aC2FQpv62aEe86BY5qid5:xTvC/MTQYxsWR7aC2qpvw8

Score

10^/10

formbook m50k discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m50k

Decoy

6353.club

qahzjgvuto.bond

airtransplantprice001.shop

enjamin-paaaa.buzz

ealthcare-softwares-my-de.xyz

aeempreendora.online

eaworld.website

ental-implants-spain-99823.bond

inanzcheckup.online

inematography-course-96303.bond

6325.club

wygbv.vip

onceng77gacor.xyz

arehouse-inventory-71481.bond

axihochheim.net

afeteraschile.today

gcq712.top

eonbets-zerkalo-vkhod-wout.buzz

mpathwaycounseling.net

b-0107.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3028-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3028-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1908-21-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 3028	3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe	30
PID 3028 set thread context of 1240	3028	svchost.exe	21
PID 1908 set thread context of 1240	1908	wuapp.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3028	svchost.exe
3028	svchost.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe
1908	wuapp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
3028	svchost.exe
3028	svchost.exe
3028	svchost.exe
1908	wuapp.exe
1908	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	svchost.exe
Token: SeDebugPrivilege	1908	wuapp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3028	3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe	30
PID 3012 wrote to memory of 3028	3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe	30
PID 3012 wrote to memory of 3028	3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe	30
PID 3012 wrote to memory of 3028	3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe	30
PID 3012 wrote to memory of 3028	3012	2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe	30
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1240 wrote to memory of 1908	1240	Explorer.EXE	31
PID 1908 wrote to memory of 2960	1908	wuapp.exe	32
PID 1908 wrote to memory of 2960	1908	wuapp.exe	32
PID 1908 wrote to memory of 2960	1908	wuapp.exe	32
PID 1908 wrote to memory of 2960	1908	wuapp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Users\Admin\AppData\Local\Temp\2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe
  "C:\Users\Admin\AppData\Local\Temp\2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\2decfbf08f426be7ac5e3b7f9d15b487c1b37232e9aa194ae332a992243bec4f.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3028
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.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:1908
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1240-17-0x0000000007290000-0x000000000741E000-memory.dmp

Filesize
1.6MB

Download
memory/1240-31-0x00000000051A0000-0x0000000005271000-memory.dmp

Filesize
836KB

Download
memory/1240-29-0x00000000051A0000-0x0000000005271000-memory.dmp

Filesize
836KB

Download
memory/1240-28-0x00000000051A0000-0x0000000005271000-memory.dmp

Filesize
836KB

Download
memory/1240-22-0x0000000007290000-0x000000000741E000-memory.dmp

Filesize
1.6MB

Download
memory/1908-18-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/1908-20-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/1908-21-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/3012-11-0x0000000000160000-0x0000000000164000-memory.dmp

Filesize
16KB

Download
memory/3028-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3028-16-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/3028-13-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/3028-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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