formbook | 59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2

General

Target

59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe
Size

1.3MB
MD5

6e978a92fe81679e6a7a46eb8f5a5480
SHA1

8f2f6114ed14e429fa4e0f1db262adfee67cef3d
SHA256

59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2
SHA512

38e79b3960cb6c97afa25c8190f054242a1dfd0824afe96974d9746022b95201ca37159af3edeecc0e287d520f16bca0c73173d96195b9fc45491817d6e079fe
SSDEEP

24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8anXU3+JBbD0i+46+wzxH:/TvC/MTQYxsWR7anE3Qd6

Score

10^/10

formbook nw03 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

nw03

Decoy

eniorshousing22.life

kinbar.club

ontovna.fun

endeepro.info

ouchesbaby.online

andscaping-jobs-23499.bond

kylinerental.net

ealthcare-software-62251.bond

arehouse-inventory-48722.bond

gghjcb.bid

pinhere.online

vintekstil.xyz

evitco.store

fcws.xyz

fdifg.icu

utomotivejobs.today

entalveneerscanada504883.icu

d5t.lat

yyl.uno

iffort.shop

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
behavioral2/memory/2196-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2196-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2140-12-0x0000000000FD0000-0x0000000000FFF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 2196	3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe	84
PID 2196 set thread context of 3560	2196	svchost.exe	56
PID 2140 set thread context of 3560	2140	rundll32.exe	56

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	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.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 50 IoCs

pid	Process
2196	svchost.exe
2196	svchost.exe
2196	svchost.exe
2196	svchost.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe
2196	svchost.exe
2196	svchost.exe
2196	svchost.exe
2140	rundll32.exe
2140	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	svchost.exe
Token: SeDebugPrivilege	2140	rundll32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe
3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe
3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 2196	3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe	84
PID 3160 wrote to memory of 2196	3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe	84
PID 3160 wrote to memory of 2196	3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe	84
PID 3160 wrote to memory of 2196	3160	59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe	84
PID 3560 wrote to memory of 2140	3560	Explorer.EXE	86
PID 3560 wrote to memory of 2140	3560	Explorer.EXE	86
PID 3560 wrote to memory of 2140	3560	Explorer.EXE	86
PID 2140 wrote to memory of 4616	2140	rundll32.exe	87
PID 2140 wrote to memory of 4616	2140	rundll32.exe	87
PID 2140 wrote to memory of 4616	2140	rundll32.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe
  "C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3160
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2196
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2216
- 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:2140
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4616

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/2140-9-0x0000000000F00000-0x0000000000F14000-memory.dmp

Filesize
80KB

Download
memory/2140-12-0x0000000000FD0000-0x0000000000FFF000-memory.dmp

Filesize
188KB

Download
memory/2140-11-0x0000000000F00000-0x0000000000F14000-memory.dmp

Filesize
80KB

Download
memory/2196-7-0x00000000015C0000-0x00000000015D4000-memory.dmp

Filesize
80KB

Download
memory/2196-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-4-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/2196-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3160-2-0x0000000001130000-0x0000000001530000-memory.dmp

Filesize
4.0MB

Download
memory/3560-8-0x0000000008BF0000-0x0000000008D69000-memory.dmp

Filesize
1.5MB

Download
memory/3560-13-0x0000000008BF0000-0x0000000008D69000-memory.dmp

Filesize
1.5MB

Download
memory/3560-17-0x0000000008D70000-0x0000000008EF4000-memory.dmp

Filesize
1.5MB

Download
memory/3560-18-0x0000000008D70000-0x0000000008EF4000-memory.dmp

Filesize
1.5MB

Download
memory/3560-20-0x0000000008D70000-0x0000000008EF4000-memory.dmp

Filesize
1.5MB

Download

Analysis

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