formbook | d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821

General

Target

d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
Size

1.7MB
MD5

5e87fce7bcc2c37521999ef3df14806a
SHA1

dbaba7033d7e78eb5934d2d8ebeb814ecd9ab68e
SHA256

d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821
SHA512

c47a13c15a4f7423bb564c7b19f8170a9a8cb6351b247cbc2a55341e624aee4580cb21ac0a775afa9b43f8340b0dca076b40e87a5d890cab5a42c86f796bf7a4
SSDEEP

24576:hqDEvCTbMWu7rQYlBQcBiT6rprG8aR1AdKVsRz7X58ggdSjWuve:hTvC/MTQYxsWR7aRidKVsRzz5RgE6u

Score

10^/10

formbook no84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

no84

Decoy

odalis.solutions

arehouse-inventory-39660.bond

uzcobrands.store

ersonaformosa.net

assiveincome.video

ro-staff-lp.net

aapp.cloud

leaning-jobs-55001.bond

nfluencer-marketing-14840.bond

ebmyadmin.online

djl.info

aulocandotii.info

ecurity-apps-72506.bond

arketwise.sbs

temcellsusa.net

fagame888.net

eelsbalance.online

nternetempauta.online

uivision.net

pfjc.info

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
behavioral1/memory/2704-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2704-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2836-12-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1316 set thread context of 2704	1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	30
PID 2704 set thread context of 1204	2704	svchost.exe	21
PID 2836 set thread context of 1204	2836	wlanext.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	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2704	svchost.exe
2704	svchost.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe
2836	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2836	wlanext.exe
2836	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	svchost.exe
Token: SeDebugPrivilege	2836	wlanext.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2704	1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	30
PID 1316 wrote to memory of 2704	1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	30
PID 1316 wrote to memory of 2704	1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	30
PID 1316 wrote to memory of 2704	1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	30
PID 1316 wrote to memory of 2704	1316	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	30
PID 1204 wrote to memory of 2836	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2836	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2836	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2836	1204	Explorer.EXE	31
PID 2836 wrote to memory of 2400	2836	wlanext.exe	32
PID 2836 wrote to memory of 2400	2836	wlanext.exe	32
PID 2836 wrote to memory of 2400	2836	wlanext.exe	32
PID 2836 wrote to memory of 2400	2836	wlanext.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
  "C:\Users\Admin\AppData\Local\Temp\d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.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:1316
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2400

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/1204-13-0x00000000050C0000-0x0000000005191000-memory.dmp

Filesize
836KB

Download
memory/1204-22-0x0000000005230000-0x000000000530E000-memory.dmp

Filesize
888KB

Download
memory/1204-20-0x0000000005230000-0x000000000530E000-memory.dmp

Filesize
888KB

Download
memory/1204-19-0x0000000005230000-0x000000000530E000-memory.dmp

Filesize
888KB

Download
memory/1204-8-0x00000000050C0000-0x0000000005191000-memory.dmp

Filesize
836KB

Download
memory/1316-2-0x0000000000750000-0x0000000000B50000-memory.dmp

Filesize
4.0MB

Download
memory/2704-7-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/2704-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-4-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/2704-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-11-0x0000000000A90000-0x0000000000AA6000-memory.dmp

Filesize
88KB

Download
memory/2836-12-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2836-9-0x0000000000A90000-0x0000000000AA6000-memory.dmp

Filesize
88KB

Download

Analysis

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