formbook | f5ce0c2e0bc3027a6acc59824c809ba92c7f514eaffb77b08e13137e37c85028

General

Target

02510#ITEMOrder.exe
Size

386KB
MD5

c94b3a3db4363cf785261a704a04aba3
SHA1

4c3cd39711642aa687f9a341ea0fd86a74691ac9
SHA256

85601ede72b1c348db5663e3782e7b3f3157c2356e2c90b769bb2afc2d476e4c
SHA512

4ee10ccd71645bc9b647792b43f3d0a62ac8f8c61b4221b28a098cfad31cd4f72a89e7dcbda105c1e8e3dc9297165449730ad412e9c7e25b609ce2665049fb7c
SSDEEP

6144:OBlL/ty168dXGQLRWg2RNtJsLPE7dyswkUX8OI7W6OieoSzjL3qpJ3U53uE/H:ML9mLRiRpsLcJyzDI3onLao53ue

Score

10^/10

formbook ct6s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ct6s

Decoy

liaquatsibtian.com

erisa.cymru

theultimateone.world

petpartner.info

edison-press.com

ryanmurazik.icu

bukasystems.com

kitsusimplex.com

qatarstyleart.com

brkhot.top

paehdfdtrujdfhs.xyz

createdbybonk.com

kuihoon.com

deathtocustomerservice.com

iotimb.com

greendiamond.pw

millionaireproducers.academy

websitemolsa.com

cbshomeimprovement.com

eardunder.quest

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1736-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1736-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1736-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2496-23-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2820	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	02510#ITEMOrder.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 1736	2408	02510#ITEMOrder.exe	30
PID 1736 set thread context of 1196	1736	02510#ITEMOrder.exe	21
PID 1736 set thread context of 1196	1736	02510#ITEMOrder.exe	21
PID 2496 set thread context of 1196	2496	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 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	02510#ITEMOrder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1736	02510#ITEMOrder.exe
1736	02510#ITEMOrder.exe
1736	02510#ITEMOrder.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe
2496	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1736	02510#ITEMOrder.exe
1736	02510#ITEMOrder.exe
1736	02510#ITEMOrder.exe
1736	02510#ITEMOrder.exe
2496	rundll32.exe
2496	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	02510#ITEMOrder.exe
Token: SeDebugPrivilege	2496	rundll32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 2408 wrote to memory of 1736	2408	02510#ITEMOrder.exe	30
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	32
PID 2496 wrote to memory of 2820	2496	rundll32.exe	33
PID 2496 wrote to memory of 2820	2496	rundll32.exe	33
PID 2496 wrote to memory of 2820	2496	rundll32.exe	33
PID 2496 wrote to memory of 2820	2496	rundll32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\02510#ITEMOrder.exe
  "C:\Users\Admin\AppData\Local\Temp\02510#ITEMOrder.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Users\Admin\AppData\Local\Temp\02510#ITEMOrder.exe
    "C:\Users\Admin\AppData\Local\Temp\02510#ITEMOrder.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1736
- 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:2496
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\02510#ITEMOrder.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2820

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsoBA5B.tmp\owuqnjwjhmx.dll

Filesize
43KB

MD5
8a1dffc79873318c04f8a1faa7b5c10f

SHA1
ec7bf093eb33b20401b47aa307b785e70617c73d

SHA256
18e3fcb2014557bcf59994871e50dcc92ed677c6d3ecbfb02023574ede67c6f7

SHA512
f7c891e6c8278dbc38d79f4dbdedd6cb1c966f77d0fda3c43de9f788946bf4129a9b9ba88a4c1d0d7f3a294ab4619a1c9d6ccfd1c23a34954d09dc532a0d5d62

Download Submit
memory/1196-15-0x0000000006670000-0x00000000067F5000-memory.dmp

Filesize
1.5MB

Download
memory/1196-24-0x0000000005210000-0x00000000052EF000-memory.dmp

Filesize
892KB

Download
memory/1196-16-0x0000000005210000-0x00000000052EF000-memory.dmp

Filesize
892KB

Download
memory/1196-12-0x0000000006670000-0x00000000067F5000-memory.dmp

Filesize
1.5MB

Download
memory/1736-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1736-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1736-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2408-8-0x000000007448A000-0x000000007448C000-memory.dmp

Filesize
8KB

Download
memory/2496-20-0x0000000000E60000-0x0000000000E6E000-memory.dmp

Filesize
56KB

Download
memory/2496-19-0x0000000000E60000-0x0000000000E6E000-memory.dmp

Filesize
56KB

Download
memory/2496-22-0x0000000000E60000-0x0000000000E6E000-memory.dmp

Filesize
56KB

Download
memory/2496-23-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download

Analysis

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