formbook | 9bf49205da5bd4ccef550149721a76c84b6e1bda27bc2e93f59842802ba22ace

General

Target

PO-11059021022021.exe
Size

663KB
MD5

f79dd4569875b93a8d76514917da8ed6
SHA1

3cf17a7501bf43730c845efbb43bcf1135690fc4
SHA256

b0a89f3465bf92183fd7cb61177ea2f13eb9ff3381ac06f4b14c642742982405
SHA512

736f662b306040745bc992207cbf63a4ee0c0f0af65bf95d120ed2644ead9ceb9a965ad9329da01794ca4b8fd55b1f50f544ded39461ddaf22ee46c9bded013b
SSDEEP

12288:Y3iRW/RKn40HiVwnXRxsfCQ/UIAObPDckWW9s5+oXUcC:+SHiKXuL//bPDckxs5TUc

Score

10^/10

formbook bwe0 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

bwe0

Decoy

GA8abA96SLI=

RjM/QAsrNyRPlNEjahNMdKXlPtbXpQ==

rOQ4ySihIKVFhRnhZxfZ

iSnyAlGXQBSBwz1C

SYfcQ54ijGWAuQq1UQTE

XRcVgsQIO8FVnvCOiHLvE3k=

K2XLULRJuod6I3dO

S4oH5i5i3+expw==

4hZdto3RgCY9esve1k7T5x9YPw==

fkpgXDuEv2NzvxCcq2AxMnE=

13czFGvtsco1gf8=

ub4KhXCsZ/qnnvYTijN3dA==

WD5IRIcJB51Hfs8grBnldA==

YqxA1LPudXGKyP1FlQ==

MZHXMBdZ8Mf2X3ZjSVY=

7mLLNhchknqdLVbz+6ci4VeD

66OK6kmRv8N6I3dO

+97y8jK5vTnIn8crIwyHnRxv03Kp

PC1PqPJ6573fH0aUnGAxMnE=

3BFlt4nJcA3Inb3TGO02bq++XzWRMVg=

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation	PO-11059021022021.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 864 set thread context of 836	864	PO-11059021022021.exe	31
PID 836 set thread context of 1296	836	PO-11059021022021.exe	14
PID 836 set thread context of 1296	836	PO-11059021022021.exe	14
PID 1704 set thread context of 1296	1704	wlanext.exe	14

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2032	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
864	PO-11059021022021.exe
864	PO-11059021022021.exe
836	PO-11059021022021.exe
1116	powershell.exe
836	PO-11059021022021.exe
836	PO-11059021022021.exe
836	PO-11059021022021.exe
836	PO-11059021022021.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
836	PO-11059021022021.exe
836	PO-11059021022021.exe
836	PO-11059021022021.exe
836	PO-11059021022021.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe
1704	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	864	PO-11059021022021.exe
Token: SeDebugPrivilege	1116	powershell.exe
Token: SeDebugPrivilege	836	PO-11059021022021.exe
Token: SeDebugPrivilege	1704	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1296	Explorer.EXE
1296	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1296	Explorer.EXE
1296	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 1116	864	PO-11059021022021.exe	27
PID 864 wrote to memory of 1116	864	PO-11059021022021.exe	27
PID 864 wrote to memory of 1116	864	PO-11059021022021.exe	27
PID 864 wrote to memory of 1116	864	PO-11059021022021.exe	27
PID 864 wrote to memory of 2032	864	PO-11059021022021.exe	29
PID 864 wrote to memory of 2032	864	PO-11059021022021.exe	29
PID 864 wrote to memory of 2032	864	PO-11059021022021.exe	29
PID 864 wrote to memory of 2032	864	PO-11059021022021.exe	29
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 864 wrote to memory of 836	864	PO-11059021022021.exe	31
PID 1296 wrote to memory of 1704	1296	Explorer.EXE	32
PID 1296 wrote to memory of 1704	1296	Explorer.EXE	32
PID 1296 wrote to memory of 1704	1296	Explorer.EXE	32
PID 1296 wrote to memory of 1704	1296	Explorer.EXE	32
PID 1704 wrote to memory of 1256	1704	wlanext.exe	34
PID 1704 wrote to memory of 1256	1704	wlanext.exe	34
PID 1704 wrote to memory of 1256	1704	wlanext.exe	34
PID 1704 wrote to memory of 1256	1704	wlanext.exe	34
PID 1704 wrote to memory of 1256	1704	wlanext.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:864
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CfBhRxzZjDw.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1116
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CfBhRxzZjDw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBC8.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2032
- - C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:836
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCBC8.tmp

Filesize
1KB

MD5
4080244b54b05e69bd08c06ccd0be12b

SHA1
e22d1725e03a6586333c4ae50919518f46b0a2b8

SHA256
d99319fa5872b84ac5787970bbfe83b360f448e2f4574e12e29e0a53a6c8cffe

SHA512
147ea5e6ff810b7f27dd7029c70f274782356b4692332311a5ffc2b0f84e72bfa822bdeb2f25b5a853409b25144b4fd4284ca73744b218906251ec4699af5502

Download Submit
memory/836-68-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/836-66-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/836-73-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download
memory/836-72-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/836-80-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/836-74-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/836-65-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/836-77-0x00000000001A0000-0x00000000001B0000-memory.dmp

Filesize
64KB

Download
memory/864-55-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/864-64-0x0000000001180000-0x00000000011B2000-memory.dmp

Filesize
200KB

Download
memory/864-56-0x00000000059B0000-0x0000000005A80000-memory.dmp

Filesize
832KB

Download
memory/864-59-0x0000000007DE0000-0x0000000007E6A000-memory.dmp

Filesize
552KB

Download
memory/864-54-0x0000000001210000-0x00000000012BC000-memory.dmp

Filesize
688KB

Download
memory/864-58-0x0000000000410000-0x000000000041C000-memory.dmp

Filesize
48KB

Download
memory/864-57-0x00000000003C0000-0x00000000003DA000-memory.dmp

Filesize
104KB

Download
memory/1116-71-0x000000006E3E0000-0x000000006E98B000-memory.dmp

Filesize
5.7MB

Download
memory/1296-75-0x0000000006980000-0x0000000006AF9000-memory.dmp

Filesize
1.5MB

Download
memory/1296-78-0x00000000071F0000-0x0000000007367000-memory.dmp

Filesize
1.5MB

Download
memory/1296-85-0x0000000006B00000-0x0000000006C55000-memory.dmp

Filesize
1.3MB

Download
memory/1296-88-0x0000000006B00000-0x0000000006C55000-memory.dmp

Filesize
1.3MB

Download
memory/1704-81-0x0000000000480000-0x0000000000496000-memory.dmp

Filesize
88KB

Download
memory/1704-82-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1704-83-0x00000000000E0000-0x000000000010B000-memory.dmp

Filesize
172KB

Download
memory/1704-84-0x0000000001E10000-0x0000000001E9F000-memory.dmp

Filesize
572KB

Download
memory/1704-86-0x00000000000E0000-0x000000000010B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads