formbook | cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033

Analysis

max time kernel
146s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 10:58

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General

Target

cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
Size

789KB
MD5

878c699efc0860285d3ea8edb0aed7cc
SHA1

6aa036104ad5163851dcb3da1e8aaad3ca188a05
SHA256

cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033
SHA512

98da4c98cd890def9d125bf916feac7871d183ea0abf8e22a56703eb356b470135c4458074c0c13cce72d60d043bddd4e373d51e8e067bb43f7d69b2c37cbb08
SSDEEP

24576:BQ7fRrVbCx3YNuvthOyMqiXKY+MZVwbuEZ5:QRlCyu1hn6Xv+MZE

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3028-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3028-38-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1604-74-0x0000000001250000-0x000000000127F000-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
3592	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3248 set thread context of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3028 set thread context of 3392	3028	RegSvcs.exe	56
PID 1604 set thread context of 3392	1604	msdt.exe	56

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
3592	powershell.exe
3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
3028	RegSvcs.exe
3028	RegSvcs.exe
3028	RegSvcs.exe
3028	RegSvcs.exe
3592	powershell.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe
1604	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3028	RegSvcs.exe
3028	RegSvcs.exe
3028	RegSvcs.exe
1604	msdt.exe
1604	msdt.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
Token: SeDebugPrivilege	3592	powershell.exe
Token: SeDebugPrivilege	3028	RegSvcs.exe
Token: SeDebugPrivilege	1604	msdt.exe
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 3592	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	86
PID 3248 wrote to memory of 3592	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	86
PID 3248 wrote to memory of 3592	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	86
PID 3248 wrote to memory of 2908	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	88
PID 3248 wrote to memory of 2908	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	88
PID 3248 wrote to memory of 2908	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	88
PID 3248 wrote to memory of 5020	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	90
PID 3248 wrote to memory of 5020	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	90
PID 3248 wrote to memory of 5020	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	90
PID 3248 wrote to memory of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3248 wrote to memory of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3248 wrote to memory of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3248 wrote to memory of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3248 wrote to memory of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3248 wrote to memory of 3028	3248	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	91
PID 3392 wrote to memory of 1604	3392	Explorer.EXE	92
PID 3392 wrote to memory of 1604	3392	Explorer.EXE	92
PID 3392 wrote to memory of 1604	3392	Explorer.EXE	92
PID 1604 wrote to memory of 1952	1604	msdt.exe	93
PID 1604 wrote to memory of 1952	1604	msdt.exe	93
PID 1604 wrote to memory of 1952	1604	msdt.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
  "C:\Users\Admin\AppData\Local\Temp\cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IFuZEjl.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3592
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IFuZEjl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB026.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2908
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:5020
- - 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:3028
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:1604
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1952

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_nlwhehfi.nfo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB026.tmp

Filesize
1KB

MD5
917e7f34d3ad54c2792fc3ccc7848dd3

SHA1
5348148e1cd844a64da4f958ad8016fcfa398101

SHA256
a1e465f837e601742afa40b06749530bcb6643e4a6f917f25e3b5dd9232ce349

SHA512
9362a169104a2100e2e7c9133543244ff36a903cd2732a4b3eee7f7c7ef75fd8b0e1e53631582967ad1e079823c801ce28f1c241c337aafc74f46ba47e361e81

Download Submit
memory/1604-64-0x00000000008F0000-0x0000000000947000-memory.dmp

Filesize
348KB

Download
memory/1604-74-0x0000000001250000-0x000000000127F000-memory.dmp

Filesize
188KB

Download
memory/3028-39-0x0000000001040000-0x0000000001054000-memory.dmp

Filesize
80KB

Download
memory/3028-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3028-38-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3028-37-0x0000000001630000-0x000000000197A000-memory.dmp

Filesize
3.3MB

Download
memory/3248-10-0x0000000007260000-0x00000000072EC000-memory.dmp

Filesize
560KB

Download
memory/3248-3-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/3248-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/3248-40-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3248-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/3248-7-0x0000000005AF0000-0x0000000005B02000-memory.dmp

Filesize
72KB

Download
memory/3248-6-0x0000000005C60000-0x0000000005CFC000-memory.dmp

Filesize
624KB

Download
memory/3248-1-0x0000000000EC0000-0x0000000000F8C000-memory.dmp

Filesize
816KB

Download
memory/3248-5-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/3248-4-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3248-9-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3248-2-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/3392-43-0x0000000009060000-0x000000000920D000-memory.dmp

Filesize
1.7MB

Download
memory/3392-78-0x0000000003410000-0x00000000034C9000-memory.dmp

Filesize
740KB

Download
memory/3592-16-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3592-60-0x0000000006F50000-0x0000000006F6A000-memory.dmp

Filesize
104KB

Download
memory/3592-23-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/3592-21-0x0000000004B60000-0x0000000004B82000-memory.dmp

Filesize
136KB

Download
memory/3592-22-0x0000000004D00000-0x0000000004D66000-memory.dmp

Filesize
408KB

Download
memory/3592-41-0x0000000005C10000-0x0000000005C2E000-memory.dmp

Filesize
120KB

Download
memory/3592-42-0x0000000005C40000-0x0000000005C8C000-memory.dmp

Filesize
304KB

Download
memory/3592-19-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3592-44-0x000000007F8E0000-0x000000007F8F0000-memory.dmp

Filesize
64KB

Download
memory/3592-45-0x0000000006E00000-0x0000000006E32000-memory.dmp

Filesize
200KB

Download
memory/3592-46-0x0000000075260000-0x00000000752AC000-memory.dmp

Filesize
304KB

Download
memory/3592-56-0x0000000004830000-0x0000000004840000-memory.dmp

Filesize
64KB

Download
memory/3592-57-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/3592-58-0x0000000006E40000-0x0000000006EE3000-memory.dmp

Filesize
652KB

Download
memory/3592-59-0x00000000075A0000-0x0000000007C1A000-memory.dmp

Filesize
6.5MB

Download
memory/3592-34-0x0000000005680000-0x00000000059D4000-memory.dmp

Filesize
3.3MB

Download
memory/3592-61-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

Filesize
40KB

Download
memory/3592-62-0x00000000071D0000-0x0000000007266000-memory.dmp

Filesize
600KB

Download
memory/3592-63-0x0000000007150000-0x0000000007161000-memory.dmp

Filesize
68KB

Download
memory/3592-18-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3592-65-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3592-66-0x0000000007180000-0x000000000718E000-memory.dmp

Filesize
56KB

Download
memory/3592-67-0x0000000007190000-0x00000000071A4000-memory.dmp

Filesize
80KB

Download
memory/3592-68-0x0000000007290000-0x00000000072AA000-memory.dmp

Filesize
104KB

Download
memory/3592-69-0x0000000007270000-0x0000000007278000-memory.dmp

Filesize
32KB

Download
memory/3592-70-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3592-73-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3592-17-0x0000000004E70000-0x0000000005498000-memory.dmp

Filesize
6.2MB

Download
memory/3592-15-0x0000000004690000-0x00000000046C6000-memory.dmp

Filesize
216KB

Download