formbook | 3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de

General

Target

0nazQxrt5MZ5BRK.exe
Size

770KB
MD5

00f166485a5b7506eacbc8a738a2d395
SHA1

6ef86605b307b98eadaf156856ec083d50a1165d
SHA256

3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de
SHA512

2cc89a97f5f45cc057f3ee603cc063e2aea8dad9f11f416dfad28f20d08b9cb6a2504d01c5fcfbf50de904290d5e82098065f8ddbe59eaac4c4f621481dac8af
SSDEEP

12288:+sW1UoIG5MPUhlym+48U6f5sTvXeZkA76XYH9QLqgbfe23:OUobywl9+pUFOZkA+IH9Qnbf73

Score

10^/10

formbook he2a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

he2a

Decoy

070001606.xyz

jesuseascriancas.online

as-eltransport.xyz

bankditalia-company.online

linkedin-stijngraat.online

sportsbetd.xyz

spanish-classes-76893.bond

infonation.pro

nxwzbze.forum

rush-pay.biz

fulfillmissions.lat

infolungcancer.xyz

aqario.xyz

omepro.solar

jackmanmueshl.shop

amcart.store

ishanaudichya.xyz

sun4rk.shop

depression-test-74287.bond

chipit.shop

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2300-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2300-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1720-21-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2864	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2300 set thread context of 1404	2300	0nazQxrt5MZ5BRK.exe	20
PID 1720 set thread context of 1404	1720	wuapp.exe	20

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	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0nazQxrt5MZ5BRK.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2368	0nazQxrt5MZ5BRK.exe
2368	0nazQxrt5MZ5BRK.exe
2300	0nazQxrt5MZ5BRK.exe
2300	0nazQxrt5MZ5BRK.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe
1720	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2300	0nazQxrt5MZ5BRK.exe
2300	0nazQxrt5MZ5BRK.exe
2300	0nazQxrt5MZ5BRK.exe
1720	wuapp.exe
1720	wuapp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	0nazQxrt5MZ5BRK.exe
Token: SeDebugPrivilege	2300	0nazQxrt5MZ5BRK.exe
Token: SeDebugPrivilege	1720	wuapp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2736	2368	0nazQxrt5MZ5BRK.exe	29
PID 2368 wrote to memory of 2736	2368	0nazQxrt5MZ5BRK.exe	29
PID 2368 wrote to memory of 2736	2368	0nazQxrt5MZ5BRK.exe	29
PID 2368 wrote to memory of 2736	2368	0nazQxrt5MZ5BRK.exe	29
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 2368 wrote to memory of 2300	2368	0nazQxrt5MZ5BRK.exe	30
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1404 wrote to memory of 1720	1404	Explorer.EXE	31
PID 1720 wrote to memory of 2864	1720	wuapp.exe	32
PID 1720 wrote to memory of 2864	1720	wuapp.exe	32
PID 1720 wrote to memory of 2864	1720	wuapp.exe	32
PID 1720 wrote to memory of 2864	1720	wuapp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe
  "C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe
    "C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe"
    3⤵
    PID:2736
- - C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe
    "C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2300
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.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:1720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\0nazQxrt5MZ5BRK.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/1404-18-0x0000000007420000-0x0000000007535000-memory.dmp

Filesize
1.1MB

Download
memory/1404-23-0x0000000003980000-0x0000000003A80000-memory.dmp

Filesize
1024KB

Download
memory/1404-22-0x0000000007420000-0x0000000007535000-memory.dmp

Filesize
1.1MB

Download
memory/1404-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1720-21-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1720-19-0x0000000000B70000-0x0000000000B7B000-memory.dmp

Filesize
44KB

Download
memory/1720-20-0x0000000000B70000-0x0000000000B7B000-memory.dmp

Filesize
44KB

Download
memory/2300-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-16-0x00000000002C0000-0x00000000002D4000-memory.dmp

Filesize
80KB

Download
memory/2300-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2300-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2300-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2300-13-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/2300-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2368-12-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2368-6-0x0000000005050000-0x00000000050C6000-memory.dmp

Filesize
472KB

Download
memory/2368-5-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-4-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2368-3-0x0000000000460000-0x0000000000478000-memory.dmp

Filesize
96KB

Download
memory/2368-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-1-0x00000000011E0000-0x00000000012A6000-memory.dmp

Filesize
792KB

Download

Analysis

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