formbook | 24c86f8db82fd871cd4d79e85c6264e28869f04d9f74fc24a3d441bfda3cbd60

General

Target

Receipt PDF.exe
Size

641KB
MD5

6a0dc9f764c4e326faf105082b1220eb
SHA1

5fb78d7780bfdeafc61dc897156205683cda46dc
SHA256

73699fb799b654f0e3e4650a7dde83bc89ae755194fe36fd4b8a62eb6b2569c3
SHA512

2bd8c8c9a0f2d10e0846a896b8c0898d41b5ba0ed6f2f3096881ab67e65abcf27a8ab93ddf61242de532d3451b488669b89b3e7aeca3bed6c1d5813d21aad0c7
SSDEEP

12288:aDhc0KfYWrTlsvX46akIza5jnlrBIBKJBbYdPIqPpzXCcE:aDYf3KvX44Iza5jlrSKJ1YrpDX

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/3012-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3012-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2120-23-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2756	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 3012	2112	Receipt PDF.exe	31
PID 3012 set thread context of 1208	3012	Receipt PDF.exe	21
PID 2120 set thread context of 1208	2120	wuapp.exe	21

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	Receipt PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3012	Receipt PDF.exe
3012	Receipt PDF.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe
2120	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3012	Receipt PDF.exe
3012	Receipt PDF.exe
3012	Receipt PDF.exe
2120	wuapp.exe
2120	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	Receipt PDF.exe
Token: SeDebugPrivilege	2120	wuapp.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 2112 wrote to memory of 3012	2112	Receipt PDF.exe	31
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2120	1208	Explorer.EXE	32
PID 2120 wrote to memory of 2756	2120	wuapp.exe	33
PID 2120 wrote to memory of 2756	2120	wuapp.exe	33
PID 2120 wrote to memory of 2756	2120	wuapp.exe	33
PID 2120 wrote to memory of 2756	2120	wuapp.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Receipt PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Receipt PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Users\Admin\AppData\Local\Temp\Receipt PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Receipt PDF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3012
- 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:2120
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Receipt PDF.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2756

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/1208-20-0x00000000051F0000-0x0000000005381000-memory.dmp

Filesize
1.6MB

Download
memory/1208-25-0x0000000003BD0000-0x0000000003CD0000-memory.dmp

Filesize
1024KB

Download
memory/1208-24-0x00000000051F0000-0x0000000005381000-memory.dmp

Filesize
1.6MB

Download
memory/2112-5-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-3-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/2112-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2112-6-0x0000000004BE0000-0x0000000004C56000-memory.dmp

Filesize
472KB

Download
memory/2112-1-0x0000000000030000-0x00000000000D6000-memory.dmp

Filesize
664KB

Download
memory/2112-4-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2112-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-15-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-23-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2120-21-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2120-22-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/3012-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-19-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

Download
memory/3012-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3012-16-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/3012-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3012-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3012-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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