formbook | e28bce0b6ccf49e32050baa8539c9b91cbbbd9dbd8382be57f6e8c44bab74956

General

Target

Inv_7623980.exe
Size

715KB
MD5

227d565668ead14885a943f83fc3383e
SHA1

88f2b466e2dd969d7b012cd53d4fba511159ccef
SHA256

e28bce0b6ccf49e32050baa8539c9b91cbbbd9dbd8382be57f6e8c44bab74956
SHA512

c5771abdacca1f2c77638f990d29c13e667afc1acb1f5aa59de2c6f09774e1300c222185feffbf4bf440e5610fe60022389f2d9380725db7e78acd2e57df07cb
SSDEEP

12288:yF6syO+aQwRj/4pC8ogspJ+2uRmlAcaaQaM6pajDVkEgc2OX7T:fD3pC8fs/duRVsBpFEgc2M

Score

10^/10

formbook m82 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m82

Decoy

jamesdevereux.com

artificialturfminneapolis.com

hongmeiyan.com

lojaderoupasbr.com

yit.africa

austinrelocationexpert.com

saiva.page

exitsategy.com

chochonux.com

klosterbraeu-unterliezheim.com

byseymanur.com

sblwarwickshire.co.uk

brazimaid.com

ciogame.com

bronzesailing.com

dwkapl.xyz

022dyd.com

compassandpathwriting.com

alphabet1x.com

selfcleaninghairbrush.co.uk

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
behavioral1/memory/836-71-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/836-75-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1956-82-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1956-84-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1424 set thread context of 836	1424	Inv_7623980.exe	32
PID 836 set thread context of 1236	836	RegSvcs.exe	14
PID 1956 set thread context of 1236	1956	wlanext.exe	14

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

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
1168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1424	Inv_7623980.exe
1424	Inv_7623980.exe
836	RegSvcs.exe
836	RegSvcs.exe
520	powershell.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1236	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
836	RegSvcs.exe
836	RegSvcs.exe
836	RegSvcs.exe
1956	wlanext.exe
1956	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1424	Inv_7623980.exe
Token: SeDebugPrivilege	836	RegSvcs.exe
Token: SeDebugPrivilege	520	powershell.exe
Token: SeDebugPrivilege	1956	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 520	1424	Inv_7623980.exe	28
PID 1424 wrote to memory of 520	1424	Inv_7623980.exe	28
PID 1424 wrote to memory of 520	1424	Inv_7623980.exe	28
PID 1424 wrote to memory of 520	1424	Inv_7623980.exe	28
PID 1424 wrote to memory of 1168	1424	Inv_7623980.exe	30
PID 1424 wrote to memory of 1168	1424	Inv_7623980.exe	30
PID 1424 wrote to memory of 1168	1424	Inv_7623980.exe	30
PID 1424 wrote to memory of 1168	1424	Inv_7623980.exe	30
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1424 wrote to memory of 836	1424	Inv_7623980.exe	32
PID 1236 wrote to memory of 1956	1236	Explorer.EXE	33
PID 1236 wrote to memory of 1956	1236	Explorer.EXE	33
PID 1236 wrote to memory of 1956	1236	Explorer.EXE	33
PID 1236 wrote to memory of 1956	1236	Explorer.EXE	33
PID 1956 wrote to memory of 880	1956	wlanext.exe	34
PID 1956 wrote to memory of 880	1956	wlanext.exe	34
PID 1956 wrote to memory of 880	1956	wlanext.exe	34
PID 1956 wrote to memory of 880	1956	wlanext.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
  "C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\reNJbBlIU.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:520
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\reNJbBlIU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8C3.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1168
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:880

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

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD8C3.tmp

Filesize
1KB

MD5
7bf6b1747d0e778498f056564e677786

SHA1
e721ff8f32507a836948cc65b48c62ac80aa80d2

SHA256
97a56a60013a06aaddcf630a13c4d68d9f0f12c5d6fb3ba5531a1bd05823f45f

SHA512
be2edcde959da0326e65a9a364757c5ea7fad8506f97ac22427e0ad3031e39c3c2fa520b2b65cb9c2c5d1122462b5cce2b84f6f32d05ef840be4facedad34e65

Download Submit
memory/520-78-0x0000000000420000-0x0000000000460000-memory.dmp

Filesize
256KB

Download
memory/520-74-0x0000000000420000-0x0000000000460000-memory.dmp

Filesize
256KB

Download
memory/836-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/836-76-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download
memory/836-77-0x0000000000150000-0x0000000000165000-memory.dmp

Filesize
84KB

Download
memory/836-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/836-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/836-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/836-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1236-87-0x0000000005EE0000-0x0000000005F84000-memory.dmp

Filesize
656KB

Download
memory/1236-79-0x0000000006B50000-0x0000000006CBE000-memory.dmp

Filesize
1.4MB

Download
memory/1236-90-0x0000000005EE0000-0x0000000005F84000-memory.dmp

Filesize
656KB

Download
memory/1236-88-0x0000000005EE0000-0x0000000005F84000-memory.dmp

Filesize
656KB

Download
memory/1424-57-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/1424-54-0x0000000000080000-0x000000000013A000-memory.dmp

Filesize
744KB

Download
memory/1424-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1424-58-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/1424-59-0x0000000008000000-0x0000000008084000-memory.dmp

Filesize
528KB

Download
memory/1424-55-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/1424-65-0x0000000004B40000-0x0000000004B8C000-memory.dmp

Filesize
304KB

Download
memory/1956-80-0x0000000000A30000-0x0000000000A46000-memory.dmp

Filesize
88KB

Download
memory/1956-84-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1956-86-0x0000000000800000-0x0000000000894000-memory.dmp

Filesize
592KB

Download
memory/1956-83-0x0000000001FE0000-0x00000000022E3000-memory.dmp

Filesize
3.0MB

Download
memory/1956-82-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1956-81-0x0000000000A30000-0x0000000000A46000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads