formbook | 9a24b197698ebde37702b2993ea2d1d4b7d2ad327605af58a4b8b266d7d9e827

General

Target

BAT547477.exe
Size

739KB
MD5

6c4334d877979276b2dacdfe2430fc19
SHA1

f3e255a94157ee3c9082e224e711563d5dee7284
SHA256

9a24b197698ebde37702b2993ea2d1d4b7d2ad327605af58a4b8b266d7d9e827
SHA512

3310bb6c789073b286645943a4eed766df5dfc215fd4932666b04a901aa2e6a2ee8775ea00da38ae3c504bcd06faa717ce9eed3c6a381d786029c0df3df2815d
SSDEEP

12288:UgWV1EiuSEmbGq/ChgHp0FrKmSUHNR6/GIzhYdx6fLdOL:pWV1EdTmN/ChgHpsrKrUHN0/GIzhYaTU

Score

10^/10

formbook hy29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy29

Decoy

obswell.online

etflix.luxury

ulunguwethu.store

ulbcenter.shop

nswering-service-mi-de-tt.click

upport-marketplace84.click

wepxbd163.lat

mplants-doctors.today

aofexf90yj.top

hermodynamic.space

dfg3n489.cyou

off.gay

alkak.cam

ijanarko.net

7tl.site

yaanincma.store

ires-47022.bond

elek4dalt77.xyz

foxsakepeople.online

ndefeatedqs.shop

Signatures

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

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2624-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2600-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2748	powershell.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2184	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

BAT547477.exeBAT547477.exewlanext.exe

description	pid	Process	procid_target
PID 1736 set thread context of 2624	1736	BAT547477.exe	35
PID 2624 set thread context of 1204	2624	BAT547477.exe	21
PID 2600 set thread context of 1204	2600	wlanext.exe	21

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 5 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

Processes:

cmd.exeBAT547477.exeschtasks.exepowershell.exewlanext.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BAT547477.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

BAT547477.exepowershell.exewlanext.exe

pid	Process
2624	BAT547477.exe
2624	BAT547477.exe
2748	powershell.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe
2600	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

BAT547477.exewlanext.exe

pid	Process
2624	BAT547477.exe
2624	BAT547477.exe
2624	BAT547477.exe
2600	wlanext.exe
2600	wlanext.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

BAT547477.exepowershell.exewlanext.exe

description	pid	Process
Token: SeDebugPrivilege	2624	BAT547477.exe
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeDebugPrivilege	2600	wlanext.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

BAT547477.exeExplorer.EXEwlanext.exe

description	pid	Process	procid_target
PID 1736 wrote to memory of 2748	1736	BAT547477.exe	31
PID 1736 wrote to memory of 2748	1736	BAT547477.exe	31
PID 1736 wrote to memory of 2748	1736	BAT547477.exe	31
PID 1736 wrote to memory of 2748	1736	BAT547477.exe	31
PID 1736 wrote to memory of 2884	1736	BAT547477.exe	33
PID 1736 wrote to memory of 2884	1736	BAT547477.exe	33
PID 1736 wrote to memory of 2884	1736	BAT547477.exe	33
PID 1736 wrote to memory of 2884	1736	BAT547477.exe	33
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1736 wrote to memory of 2624	1736	BAT547477.exe	35
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	36
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	36
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	36
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	36
PID 2600 wrote to memory of 2184	2600	wlanext.exe	37
PID 2600 wrote to memory of 2184	2600	wlanext.exe	37
PID 2600 wrote to memory of 2184	2600	wlanext.exe	37
PID 2600 wrote to memory of 2184	2600	wlanext.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\BAT547477.exe
  "C:\Users\Admin\AppData\Local\Temp\BAT547477.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\reWzGfPRXRiIR.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2748
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\reWzGfPRXRiIR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD91.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2884
- - C:\Users\Admin\AppData\Local\Temp\BAT547477.exe
    "C:\Users\Admin\AppData\Local\Temp\BAT547477.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2624
- 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:2600
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\BAT547477.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFD91.tmp

Filesize
1KB

MD5
1bc447714ecdd151e7d2d67f9a73c25f

SHA1
24d47882361d1088de46c9afd45a698192a9403a

SHA256
be2c64c1ed2a8028c2dff3f686e9821753775f0c9d9682a29db43b7b27a3d3ae

SHA512
d195286be2bc34bff2edad11e53e2a68d4b96b01e7fa82ba6c0accf7e00e1a94d3e58082db7055d58ef6859dbbc45c8addc75c0cd459cc59c0fa408f8ce39596

Download Submit
memory/1736-3-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-2-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-0-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1736-4-0x0000000000800000-0x000000000081C000-memory.dmp

Filesize
112KB

Download
memory/1736-5-0x0000000000620000-0x0000000000696000-memory.dmp

Filesize
472KB

Download
memory/1736-1-0x0000000000030000-0x00000000000F0000-memory.dmp

Filesize
768KB

Download
memory/1736-20-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2600-21-0x0000000000860000-0x0000000000876000-memory.dmp

Filesize
88KB

Download
memory/2600-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2624-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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