formbook | f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594

General

Target

f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe
Size

1.1MB
MD5

2066df5d5f8e2c7b31bc7c801e61b6ed
SHA1

9c767ae562dd7aecc81d97e1a9cb73c2373f73b4
SHA256

f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594
SHA512

4db60094570d82da05546708796f0bb341df8cbecce778032118fb4117f5df1144cc8f280b6e5fae9bd43221a07cfcfe292cb403e0cd1d94defa3ca23b4a4029
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCQuuWqBcs33xaF/iAoRQtmyGb5:7JZoQrbTFZY1iaCQuuhx3xaFzoRQtlGl

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2760-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2760-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3980-11-0x0000000001230000-0x000000000125F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exesvchost.execscript.exe

description	pid	process	target process
PID 1540 set thread context of 2760	1540	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe	svchost.exe
PID 2760 set thread context of 3504	2760	svchost.exe	Explorer.EXE
PID 3980 set thread context of 3504	3980	cscript.exe	Explorer.EXE

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

Processes:

f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.execscript.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.execscript.exe

pid	process
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe
3980	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exesvchost.execscript.exe

pid	process
1540	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
3980	cscript.exe
3980	cscript.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

svchost.exeExplorer.EXEcscript.exe

description	pid	process
Token: SeDebugPrivilege	2760	svchost.exe
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeDebugPrivilege	3980	cscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

3504 Explorer.EXE
3504 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3504 Explorer.EXE

pid	process
3504	Explorer.EXE
3504	Explorer.EXE

pid	process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1540 wrote to memory of 2760	1540	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe	svchost.exe
PID 1540 wrote to memory of 2760	1540	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe	svchost.exe
PID 1540 wrote to memory of 2760	1540	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe	svchost.exe
PID 1540 wrote to memory of 2760	1540	f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe	svchost.exe
PID 3504 wrote to memory of 3980	3504	Explorer.EXE	cscript.exe
PID 3504 wrote to memory of 3980	3504	Explorer.EXE	cscript.exe
PID 3504 wrote to memory of 3980	3504	Explorer.EXE	cscript.exe
PID 3980 wrote to memory of 5052	3980	cscript.exe	cmd.exe
PID 3980 wrote to memory of 5052	3980	cscript.exe	cmd.exe
PID 3980 wrote to memory of 5052	3980	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe
  "C:\Users\Admin\AppData\Local\Temp\f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2760
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:3980
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/1540-2-0x0000000004070000-0x0000000004270000-memory.dmp

Filesize
2.0MB

Download
memory/2760-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-4-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/2760-7-0x0000000001D90000-0x0000000001DA4000-memory.dmp

Filesize
80KB

Download
memory/2760-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3504-12-0x0000000002A60000-0x0000000002B58000-memory.dmp

Filesize
992KB

Download
memory/3504-8-0x0000000002A60000-0x0000000002B58000-memory.dmp

Filesize
992KB

Download
memory/3504-16-0x0000000008A40000-0x0000000008AE7000-memory.dmp

Filesize
668KB

Download
memory/3504-17-0x0000000008A40000-0x0000000008AE7000-memory.dmp

Filesize
668KB

Download
memory/3504-19-0x0000000008A40000-0x0000000008AE7000-memory.dmp

Filesize
668KB

Download
memory/3980-9-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/3980-10-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/3980-11-0x0000000001230000-0x000000000125F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads