formbook | db630433ae1c2cc96d940beab825bdd5995255dd74bb50c468bc2954a83a5216

Analysis

max time kernel
147s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 09:34

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General

Target

gecikmis bakiye.exe
Size

213KB
MD5

2374db6853cf78b15f31892c43180857
SHA1

5eddc78b5d56fdac3e42af18cf1b5cada38368f5
SHA256

92c5014b109cf6b18dbd0466a0b2ce20bb3900d667747c069a367d98651f419a
SHA512

021b1f2d467729ee479f25c6be7a5417ecf889ac86d3d340c9cb5fbb741278a6cb3d30921b18ed2d359e16630acfb22abe26240f94f7214d1e3b1d1347d3d24e
SSDEEP

6144:HNeZmDuFbUmUCYmtm8X9UiZ5KQzgg4pWI:HNlD4beF4ZzZ5tqH

Score

10^/10

formbook d23n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d23n

Decoy

keralalotteryresults.com

cosnerreview.com

tilcompanies.com

tokomakmurjaya.xyz

twmarketz.com

spytfyre.com

eyerafitnessapp.com

faswebs.com

hotcinfin.com

modifidecars.com

xn--rhqwesct95oo2g0ro.com

fruitfulgreenhousefacility.com

pomidor.biz

volondamasterclass.com

latexbbs.com

kkh222.com

ratted.xyz

littlejohnsinc.com

vacationdealscorp.website

bitcoinbil3arabi.com

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

resource	yara_rule
behavioral1/memory/2884-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2884-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2608-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2716	jnkbb.exe
2884	jnkbb.exe

Loads dropped DLL 2 IoCs

pid	Process
2468	gecikmis bakiye.exe
2716	jnkbb.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 2884	2716	jnkbb.exe	31
PID 2884 set thread context of 1184	2884	jnkbb.exe	21
PID 2608 set thread context of 1184	2608	netsh.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 4 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	gecikmis bakiye.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jnkbb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2884	jnkbb.exe
2884	jnkbb.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe
2608	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2884	jnkbb.exe
2884	jnkbb.exe
2884	jnkbb.exe
2608	netsh.exe
2608	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	jnkbb.exe
Token: SeDebugPrivilege	2608	netsh.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2716	2468	gecikmis bakiye.exe	30
PID 2468 wrote to memory of 2716	2468	gecikmis bakiye.exe	30
PID 2468 wrote to memory of 2716	2468	gecikmis bakiye.exe	30
PID 2468 wrote to memory of 2716	2468	gecikmis bakiye.exe	30
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 2716 wrote to memory of 2884	2716	jnkbb.exe	31
PID 1184 wrote to memory of 2608	1184	Explorer.EXE	50
PID 1184 wrote to memory of 2608	1184	Explorer.EXE	50
PID 1184 wrote to memory of 2608	1184	Explorer.EXE	50
PID 1184 wrote to memory of 2608	1184	Explorer.EXE	50
PID 2608 wrote to memory of 3064	2608	netsh.exe	51
PID 2608 wrote to memory of 3064	2608	netsh.exe	51
PID 2608 wrote to memory of 3064	2608	netsh.exe	51
PID 2608 wrote to memory of 3064	2608	netsh.exe	51

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\gecikmis bakiye.exe
  "C:\Users\Admin\AppData\Local\Temp\gecikmis bakiye.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Users\Admin\AppData\Local\Temp\jnkbb.exe
    C:\Users\Admin\AppData\Local\Temp\jnkbb.exe C:\Users\Admin\AppData\Local\Temp\vocoxc
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Users\Admin\AppData\Local\Temp\jnkbb.exe
      C:\Users\Admin\AppData\Local\Temp\jnkbb.exe C:\Users\Admin\AppData\Local\Temp\vocoxc
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2884
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2740
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2196
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2992
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2768
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2204
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2928
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2916
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2708
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2976
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2632
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2628
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2184
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2856
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2920
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2908
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2652
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2660
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1872
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:2608
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\jnkbb.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\9ld5l4aehf

Filesize
184KB

MD5
bcb5d52ddc64d21055e3e2e24b685d30

SHA1
1d8ebad7e6565f551ec472ebfcfebbb348166e19

SHA256
52a683fb786dd4bdee1b9507a4a43ca57e4bfd3441f8884f5a275686220ab961

SHA512
ae1bd1bf99d68c933273c2d8183f18962b8ea31ac53a12726c103cef4ef37824e914abd2f8b379d2be44f125a94ef9929b64ce19983a45e7a58bde290f16ff32

Download Submit
C:\Users\Admin\AppData\Local\Temp\vocoxc

Filesize
5KB

MD5
4164b3fc5d4fe4efb82020c68d870877

SHA1
e9c0faac746dbc5e86cd4acd9f447ce9900fc56e

SHA256
0fd13e41a4eb916d6a3098b16ca3402569cddfc5095d8db6ce235d93956440f0

SHA512
a4898ace453e8e08ca92be645af521b2d41e7e189fc0bdcd7792607d37f2b3fc300431e309d9b2bc0ad4d6c067bfd7d3b7d951dccc1fb706bf71b19b76d15a64

Download Submit
\Users\Admin\AppData\Local\Temp\jnkbb.exe

Filesize
4KB

MD5
513ec601b4cd4e5b3453805337b08116

SHA1
1494f6490d448ec0d5a16817b4e02b9c093f93c2

SHA256
ca770e8d07d951e267ad1a84d247a0ca50376b92f0f022bfb8920c620ea71a06

SHA512
3b367b6af540b150a0b8f833379c3a9328d0a58342affd4b56afa66fabbb608146bf67e8d72748ee9b56bc39caf256e0a4716934a57bf96376905e403da75f1f

Download Submit
memory/1184-16-0x0000000004060000-0x0000000004260000-memory.dmp

Filesize
2.0MB

Download
memory/1184-17-0x00000000051E0000-0x000000000537E000-memory.dmp

Filesize
1.6MB

Download
memory/1184-23-0x00000000051E0000-0x000000000537E000-memory.dmp

Filesize
1.6MB

Download
memory/2608-20-0x00000000013E0000-0x00000000013FB000-memory.dmp

Filesize
108KB

Download
memory/2608-21-0x00000000013E0000-0x00000000013FB000-memory.dmp

Filesize
108KB

Download
memory/2608-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2716-9-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2884-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download