formbook | 596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 01:20

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General

Target

596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe
Size

677KB
MD5

86926b8ab8f00f27eb69f2793db47f68
SHA1

fb0e93fd743510cee1045712d1dc8dd887a3b9ca
SHA256

596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
SHA512

b0276dd9ac758a4e0f02d311c6605aaa315d8afc6a29d90e8a4685ebec515febbc107ac7c129f7ed29e63d60103d354f4495db2573347850235ac5aff515091e
SSDEEP

12288:RLbMeV3JxmLAaK/d32fOOce2F7e6PMLeLdAh3qMu4UXL6L:R5bxmLAaMr9e6kSyhat4UXm

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3756-20-0x0000000000400000-0x000000000042F000-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

pid	Process
220	powershell.exe

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3432 set thread context of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90

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 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	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

pid	Process
4772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
220	powershell.exe
3756	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe
3756	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe
220	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 220	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	86
PID 3432 wrote to memory of 220	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	86
PID 3432 wrote to memory of 220	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	86
PID 3432 wrote to memory of 4772	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	88
PID 3432 wrote to memory of 4772	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	88
PID 3432 wrote to memory of 4772	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	88
PID 3432 wrote to memory of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90
PID 3432 wrote to memory of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90
PID 3432 wrote to memory of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90
PID 3432 wrote to memory of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90
PID 3432 wrote to memory of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90
PID 3432 wrote to memory of 3756	3432	596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe	90

C:\Users\Admin\AppData\Local\Temp\596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe
"C:\Users\Admin\AppData\Local\Temp\596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CXVSFLX.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CXVSFLX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0EC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4772
- C:\Users\Admin\AppData\Local\Temp\596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe
  "C:\Users\Admin\AppData\Local\Temp\596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zmihbgfo.pdi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD0EC.tmp

Filesize
1KB

MD5
6ef08d26a9b07ce76535ad8fb7fe9229

SHA1
2b853faef12b747569cfc4a39e906501eabcb75f

SHA256
aa76b640159f3417d240f9dcbedc523a51938a802cf816a4cb7e0e5185ad2f02

SHA512
e3137888a87ef27b61ddbf70943f631a2c27536aeceea7d4eb7556e138c26d6527672a86d82fe7db331fcc5471a00a9c596df8fdb16955ce22b5d397f3e3968e

Download Submit
memory/220-15-0x0000000002460000-0x0000000002496000-memory.dmp

Filesize
216KB

Download
memory/220-21-0x0000000004DB0000-0x0000000004DD2000-memory.dmp

Filesize
136KB

Download
memory/220-37-0x0000000005D60000-0x0000000005D7E000-memory.dmp

Filesize
120KB

Download
memory/220-67-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/220-64-0x00000000073B0000-0x00000000073B8000-memory.dmp

Filesize
32KB

Download
memory/220-63-0x00000000073D0000-0x00000000073EA000-memory.dmp

Filesize
104KB

Download
memory/220-62-0x00000000072D0000-0x00000000072E4000-memory.dmp

Filesize
80KB

Download
memory/220-61-0x00000000072C0000-0x00000000072CE000-memory.dmp

Filesize
56KB

Download
memory/220-60-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/220-59-0x0000000007290000-0x00000000072A1000-memory.dmp

Filesize
68KB

Download
memory/220-16-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/220-17-0x0000000004FA0000-0x00000000055C8000-memory.dmp

Filesize
6.2MB

Download
memory/220-18-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/220-58-0x0000000007310000-0x00000000073A6000-memory.dmp

Filesize
600KB

Download
memory/220-57-0x0000000007100000-0x000000000710A000-memory.dmp

Filesize
40KB

Download
memory/220-23-0x0000000004EC0000-0x0000000004F26000-memory.dmp

Filesize
408KB

Download
memory/220-22-0x0000000004E50000-0x0000000004EB6000-memory.dmp

Filesize
408KB

Download
memory/220-34-0x0000000005720000-0x0000000005A74000-memory.dmp

Filesize
3.3MB

Download
memory/220-56-0x0000000007090000-0x00000000070AA000-memory.dmp

Filesize
104KB

Download
memory/220-55-0x00000000076E0000-0x0000000007D5A000-memory.dmp

Filesize
6.5MB

Download
memory/220-54-0x0000000006D60000-0x0000000006E03000-memory.dmp

Filesize
652KB

Download
memory/220-47-0x0000000002440000-0x0000000002450000-memory.dmp

Filesize
64KB

Download
memory/220-48-0x0000000002440000-0x0000000002450000-memory.dmp

Filesize
64KB

Download
memory/220-38-0x0000000005DA0000-0x0000000005DEC000-memory.dmp

Filesize
304KB

Download
memory/220-39-0x000000007F680000-0x000000007F690000-memory.dmp

Filesize
64KB

Download
memory/220-40-0x0000000006340000-0x0000000006372000-memory.dmp

Filesize
200KB

Download
memory/220-41-0x0000000074F50000-0x0000000074F9C000-memory.dmp

Filesize
304KB

Download
memory/220-53-0x0000000006380000-0x000000000639E000-memory.dmp

Filesize
120KB

Download
memory/3432-2-0x0000000005E90000-0x0000000006434000-memory.dmp

Filesize
5.6MB

Download
memory/3432-6-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/3432-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/3432-5-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3432-36-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3432-4-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/3432-10-0x00000000085F0000-0x0000000008666000-memory.dmp

Filesize
472KB

Download
memory/3432-9-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3432-1-0x0000000000D70000-0x0000000000E1E000-memory.dmp

Filesize
696KB

Download
memory/3432-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/3432-8-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/3432-7-0x0000000008190000-0x00000000081AA000-memory.dmp

Filesize
104KB

Download
memory/3756-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3756-35-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download