formbook | 68812ea5d94f9af1fab9e3b3241390fb7404a4107bf610ca7ba21678cf500d46

General

Target

rNew_PO178391922RFQAmended.exe
Size

1.0MB
MD5

6af2e8d3a281642512d1dfc59619f83c
SHA1

7a4fe8bfa3c98873a8d73e2b8054aac34d42f448
SHA256

68812ea5d94f9af1fab9e3b3241390fb7404a4107bf610ca7ba21678cf500d46
SHA512

af2c82e5953be56c3bf020d463f216b7b4ccab1495bfa87a1ab56b31f98bd78c6417793ad8954e974cd2a3a658d1d9cef2a54d47249c01af7f27cbdb25e46598
SSDEEP

24576:au6J33O0c+JY5UZ+XC0kGso6Fa2XWR43fLDfYER/bdGWY:su0c++OCvkGs9Fa2Xq43fffbjY

Score

10^/10

formbook ts49 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ts49

Decoy

aytolljqp.vip

ibnllc.net

impiezasvalladolid.net

reteon.xyz

edeliva.net

qynja.top

eometricdesigns.shop

64784p6.top

odhipoteke.online

ilezjan.net

om-dt02.cyou

xoticgirldrip.net

2livegames.live

ona88.skin

enerator-bcq.xyz

hared-office-4198379.zone

uyer.net

pilirplink.fun

t38asc.net

ntalyaescortking.site

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/2380-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2380-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3048-17-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 2380	2600	rNew_PO178391922RFQAmended.exe	30
PID 2380 set thread context of 1208	2380	svchost.exe	21
PID 3048 set thread context of 1208	3048	NAPSTAT.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	rNew_PO178391922RFQAmended.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2380	svchost.exe
2380	svchost.exe
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2600	rNew_PO178391922RFQAmended.exe
2380	svchost.exe
2380	svchost.exe
2380	svchost.exe
3048	NAPSTAT.EXE
3048	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	svchost.exe
Token: SeDebugPrivilege	3048	NAPSTAT.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2600	rNew_PO178391922RFQAmended.exe
2600	rNew_PO178391922RFQAmended.exe
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2600	rNew_PO178391922RFQAmended.exe
2600	rNew_PO178391922RFQAmended.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2380	2600	rNew_PO178391922RFQAmended.exe	30
PID 2600 wrote to memory of 2380	2600	rNew_PO178391922RFQAmended.exe	30
PID 2600 wrote to memory of 2380	2600	rNew_PO178391922RFQAmended.exe	30
PID 2600 wrote to memory of 2380	2600	rNew_PO178391922RFQAmended.exe	30
PID 2600 wrote to memory of 2380	2600	rNew_PO178391922RFQAmended.exe	30
PID 1208 wrote to memory of 3048	1208	Explorer.EXE	31
PID 1208 wrote to memory of 3048	1208	Explorer.EXE	31
PID 1208 wrote to memory of 3048	1208	Explorer.EXE	31
PID 1208 wrote to memory of 3048	1208	Explorer.EXE	31
PID 3048 wrote to memory of 2108	3048	NAPSTAT.EXE	32
PID 3048 wrote to memory of 2108	3048	NAPSTAT.EXE	32
PID 3048 wrote to memory of 2108	3048	NAPSTAT.EXE	32
PID 3048 wrote to memory of 2108	3048	NAPSTAT.EXE	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\rNew_PO178391922RFQAmended.exe
  "C:\Users\Admin\AppData\Local\Temp\rNew_PO178391922RFQAmended.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:2600
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\rNew_PO178391922RFQAmended.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2380
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:3048
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2108

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

Loading Replay Monitor...

Downloads

memory/1208-13-0x0000000004400000-0x000000000452B000-memory.dmp

Filesize
1.2MB

Download
memory/1208-27-0x0000000006400000-0x00000000064B8000-memory.dmp

Filesize
736KB

Download
memory/1208-25-0x0000000006400000-0x00000000064B8000-memory.dmp

Filesize
736KB

Download
memory/1208-24-0x0000000006400000-0x00000000064B8000-memory.dmp

Filesize
736KB

Download
memory/1208-18-0x0000000004400000-0x000000000452B000-memory.dmp

Filesize
1.2MB

Download
memory/2380-11-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/2380-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2380-8-0x0000000000A80000-0x0000000000D83000-memory.dmp

Filesize
3.0MB

Download
memory/2380-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2600-6-0x0000000000890000-0x0000000000C90000-memory.dmp

Filesize
4.0MB

Download
memory/3048-14-0x00000000005D0000-0x0000000000616000-memory.dmp

Filesize
280KB

Download
memory/3048-16-0x00000000005D0000-0x0000000000616000-memory.dmp

Filesize
280KB

Download
memory/3048-17-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing