formbook | c0b6fd6cbf29ff2ea9dbb4a888ccd479549face627083f84c43cac2b25a13489

Analysis

max time kernel
147s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 22:58

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General

Target

Nuevo orden.exe
Size

538KB
MD5

4abca413b252753f1fe8d43db529eec5
SHA1

003fc5e1e59ffb1247cc254edf8eff28d5e53044
SHA256

a3165c54480303a31c1da6f186f955b3d5ff3e0dc3539993f134510b0a396df3
SHA512

69828107fb63f7bc6f898ca1a28a6f10e17f5114ee4f52948a2500631198918c6719434d28f494294e81f7175f7245dab303fd83c0750f20e0f1c66ef8c5f90b
SSDEEP

12288:JzzkD2hbbBC8sCAsGVaYYaP8ssugQ4mdeu9GQ7GYMmFq:JV9t3PNs/98s2l0GYh

Score

10^/10

formbook o27a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o27a

Decoy

rfmag.club

zkskzt.xyz

prestitiprivatodaviden26.space

topfxvn.com

irreverentlabs.net

untosuit.com

conquestdevelopmentgroup.com

meterarchitects.com

gwendolyngantt.com

1xpromocode.site

sellloooofolk.xyz

alonzorobertsunderwriting.info

harisalikhan.com

gocqsf.com

carrotstay.xyz

fortumex.com

xiaosage18.xyz

archeage-unchained.com

logicskopisch.world

xj9j.com

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

resource	yara_rule
behavioral1/memory/2668-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2688-26-0x00000000000E0000-0x000000000010F000-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
2196	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2668	2532	Nuevo orden.exe	35
PID 2668 set thread context of 1192	2668	RegSvcs.exe	21
PID 2688 set thread context of 1192	2688	rundll32.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nuevo orden.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	rundll32.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
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2532	Nuevo orden.exe
2532	Nuevo orden.exe
2668	RegSvcs.exe
2668	RegSvcs.exe
2196	powershell.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe
2688	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2668	RegSvcs.exe
2668	RegSvcs.exe
2668	RegSvcs.exe
2688	rundll32.exe
2688	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	Nuevo orden.exe
Token: SeDebugPrivilege	2668	RegSvcs.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	2688	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2196	2532	Nuevo orden.exe	31
PID 2532 wrote to memory of 2196	2532	Nuevo orden.exe	31
PID 2532 wrote to memory of 2196	2532	Nuevo orden.exe	31
PID 2532 wrote to memory of 2196	2532	Nuevo orden.exe	31
PID 2532 wrote to memory of 2784	2532	Nuevo orden.exe	33
PID 2532 wrote to memory of 2784	2532	Nuevo orden.exe	33
PID 2532 wrote to memory of 2784	2532	Nuevo orden.exe	33
PID 2532 wrote to memory of 2784	2532	Nuevo orden.exe	33
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 2532 wrote to memory of 2668	2532	Nuevo orden.exe	35
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2688	1192	Explorer.EXE	36
PID 2688 wrote to memory of 632	2688	rundll32.exe	37
PID 2688 wrote to memory of 632	2688	rundll32.exe	37
PID 2688 wrote to memory of 632	2688	rundll32.exe	37
PID 2688 wrote to memory of 632	2688	rundll32.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe
  "C:\Users\Admin\AppData\Local\Temp\Nuevo orden.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TzjaGZxqdsgGC.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2196
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TzjaGZxqdsgGC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp83D0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2784
- - 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:2668
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2688
- - 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:632

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp83D0.tmp

Filesize
1KB

MD5
e9a0454909c618ad9fa12bacdf5deb86

SHA1
71df961e5a5064058966252159e54be1c9111494

SHA256
8359de489d57135a2c3dec70ff601af95349ba443a312a3d12cc73e4c8e8ca19

SHA512
09383e21436b9ef7dc89eaa6134107e3b9e3be30eb4d6c01d68c074aae93ccb710029d5522cc5b60962a553115ae45def13821a8d63bdc4afcc74682a0022e34

Download Submit
memory/2532-14-0x0000000004470000-0x00000000044B0000-memory.dmp

Filesize
256KB

Download
memory/2532-22-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-3-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2532-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2532-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2532-6-0x0000000005AF0000-0x0000000005B74000-memory.dmp

Filesize
528KB

Download
memory/2532-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-1-0x0000000000F60000-0x0000000000FEC000-memory.dmp

Filesize
560KB

Download
memory/2532-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-23-0x0000000000070000-0x000000000007E000-memory.dmp

Filesize
56KB

Download
memory/2688-25-0x0000000000070000-0x000000000007E000-memory.dmp

Filesize
56KB

Download
memory/2688-26-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download