formbook | ac454f16640efaa4ff900a89091006d711730e8f58cbb3d3d04af84df9f477ec

General

Target

1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe
Size

315KB
MD5

5b9271a33d0ac9c8b59bb27cef2b3834
SHA1

98f16671e6b09b68721a73bba9c5a15e7c4ee664
SHA256

1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec
SHA512

b4d7e76b92b641ec2ae6702e5c955ea60ff8b7a5b77e1456fea5118398343c3501dd1f6b1b1e82d60ee5834c583cf22d74ff0b2455e2939e6e88f99562bfb2b6
SSDEEP

3072:J1NjcVVnLpPuGDFsb5Rchf8BS6YbMZlfBtwTrSJxbVrWLK9omNYFkPthSPhI/cag:zNeZwbcu2mYmJxbnokteYwHqyTV

Score

10^/10

formbook e0l9 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e0l9

Decoy

packingfairturkiye.com

khenonline.com

mydactil.online

coriliechty.com

canadazk.com

freeloanseva.com

successvideo.today

infinitelifetransformations.com

unicryptdoge.com

ecolifeco.com

luxefashionaire.com

lqctqtal.xyz

liveexim.com

happyhempbakery.com

paypalverifie.com

wingonvacations.com

flawdogs.com

shalomsingapore.com

ruscc.xyz

yaxi868.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/2348-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2348-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3024-26-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2600	wdxsx.exe
2348	wdxsx.exe

Loads dropped DLL 5 IoCs

pid	Process
2644	1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe
2600	wdxsx.exe
2568	WerFault.exe
2568	WerFault.exe
2568	WerFault.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 2348	2600	wdxsx.exe	31
PID 2348 set thread context of 1200	2348	wdxsx.exe	21
PID 3024 set thread context of 1200	3024	cmstp.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	2600	WerFault.exe	30

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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wdxsx.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2348	wdxsx.exe
2348	wdxsx.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe
3024	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2348	wdxsx.exe
2348	wdxsx.exe
2348	wdxsx.exe
3024	cmstp.exe
3024	cmstp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	wdxsx.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeDebugPrivilege	3024	cmstp.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2600	2644	1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe	30
PID 2644 wrote to memory of 2600	2644	1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe	30
PID 2644 wrote to memory of 2600	2644	1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe	30
PID 2644 wrote to memory of 2600	2644	1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe	30
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2348	2600	wdxsx.exe	31
PID 2600 wrote to memory of 2568	2600	wdxsx.exe	32
PID 2600 wrote to memory of 2568	2600	wdxsx.exe	32
PID 2600 wrote to memory of 2568	2600	wdxsx.exe	32
PID 2600 wrote to memory of 2568	2600	wdxsx.exe	32
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3024	1200	Explorer.EXE	33
PID 3024 wrote to memory of 2972	3024	cmstp.exe	34
PID 3024 wrote to memory of 2972	3024	cmstp.exe	34
PID 3024 wrote to memory of 2972	3024	cmstp.exe	34
PID 3024 wrote to memory of 2972	3024	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe
  "C:\Users\Admin\AppData\Local\Temp\1f0dfaeee8860dd10d592b0632dc1ef8c2fa1bc9681e0f9e29ed632f2260abec.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Users\Admin\AppData\Local\Temp\wdxsx.exe
    C:\Users\Admin\AppData\Local\Temp\wdxsx.exe C:\Users\Admin\AppData\Local\Temp\tfygxpzyta
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2600
  - - C:\Users\Admin\AppData\Local\Temp\wdxsx.exe
      C:\Users\Admin\AppData\Local\Temp\wdxsx.exe C:\Users\Admin\AppData\Local\Temp\tfygxpzyta
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 216
      4⤵
      Loads dropped DLL
      Program crash
      PID:2568
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:3024
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\wdxsx.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2972

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\f9tliv6q85zuwch1k52

Filesize
213KB

MD5
004bc7879e3c807507d2b7d13a621d78

SHA1
099640fec1e090923315f11ebfcc287409a247c0

SHA256
8ab5adbc3f6292d67119ff52c25b57d1314fe52961f9236796d06694f509bc9c

SHA512
e5f117d136f9c117538ef0890969fdd55927ed49b00287213985eeea04a8ca0f47e5a6180ae076b68ead58f6249689fd6fc51d5be39460786fd9efa776a4f442

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

Filesize
5KB

MD5
38eada4dc49581c3cae9eee827227c1f

SHA1
e964cece3ca9708f3df691c860c5cb2d72e75ab1

SHA256
9677c7d4f551e18f7772fa166ebed8d76c7a7928f747c63e8374a80a45342bd2

SHA512
4c99eb1d9e2f9a573d71c77cd53f7d10880157b84a182081f1378986b42f9079c84ad8529d53f89dfa3a7ecf5ab3c7cd8ec32ebe3d22b4e5a245175a47d0f94e

Download Submit
C:\Users\Admin\AppData\Local\Temp\wdxsx.exe

Filesize
4KB

MD5
c23f252a4352c30c3473e3fbbdff84f0

SHA1
d7240c2f65d1509e51c8461d835a1b14e167ad4f

SHA256
6bc4f989450cc6a3d1e220371fc64029bfac461429b035b8db90ae56af7dae8f

SHA512
87ef7be0450bd6b40d1d63fdcb66448b8aee04ec9627dc2aacde848ea83e042763d8ce8b1e94547a00b316ce29447c5a036ca92e3baf5315088cdc473edecbd1

Download Submit
memory/1200-27-0x0000000004EF0000-0x000000000502A000-memory.dmp

Filesize
1.2MB

Download
memory/1200-21-0x0000000004EF0000-0x000000000502A000-memory.dmp

Filesize
1.2MB

Download
memory/1200-32-0x0000000007990000-0x0000000007B1E000-memory.dmp

Filesize
1.6MB

Download
memory/2348-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2348-16-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2348-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2348-17-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/2600-9-0x0000000000150000-0x0000000000152000-memory.dmp

Filesize
8KB

Download
memory/3024-26-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/3024-25-0x0000000000AF0000-0x0000000000B08000-memory.dmp

Filesize
96KB

Download
memory/3024-23-0x0000000000AF0000-0x0000000000B08000-memory.dmp

Filesize
96KB

Download

Analysis

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