formbook | e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626

General

Target

e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
Size

1.3MB
MD5

2583deb6bb031d2f25a56930723fc73c
SHA1

416cc001e7fa131eed9b738b19a1a1be7a70757f
SHA256

e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626
SHA512

0a0edf93d918645c7eed95793f771baeed3a72b966f3bcf10070d6e16c9bf10c673794c494dcf1755ad473addcea90d50557dbc1b274c2ab38d4b4741c15ab6f
SSDEEP

24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8anXU3+JBbD0i+46+wzxHh:/TvC/MTQYxsWR7anE3Qd6n

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2176-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2176-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2176-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-17-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2504 set thread context of 2176	2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe	31
PID 2176 set thread context of 1184	2176	svchost.exe	21
PID 2176 set thread context of 1184	2176	svchost.exe	21
PID 2720 set thread context of 1184	2720	cmmon32.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe
2720	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2176	svchost.exe
2720	cmmon32.exe
2720	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	svchost.exe
Token: SeDebugPrivilege	2720	cmmon32.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2176	2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe	31
PID 2504 wrote to memory of 2176	2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe	31
PID 2504 wrote to memory of 2176	2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe	31
PID 2504 wrote to memory of 2176	2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe	31
PID 2504 wrote to memory of 2176	2504	e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe	31
PID 1184 wrote to memory of 2720	1184	Explorer.EXE	32
PID 1184 wrote to memory of 2720	1184	Explorer.EXE	32
PID 1184 wrote to memory of 2720	1184	Explorer.EXE	32
PID 1184 wrote to memory of 2720	1184	Explorer.EXE	32
PID 2720 wrote to memory of 2180	2720	cmmon32.exe	33
PID 2720 wrote to memory of 2180	2720	cmmon32.exe	33
PID 2720 wrote to memory of 2180	2720	cmmon32.exe	33
PID 2720 wrote to memory of 2180	2720	cmmon32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe
  "C:\Users\Admin\AppData\Local\Temp\e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.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:2504
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e73a5684070f58ce802c15a33c07788327314e79ae4e9730912b8157ee782626.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2176
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2180

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/1184-18-0x00000000051F0000-0x00000000052D3000-memory.dmp

Filesize
908KB

Download
memory/1184-26-0x0000000006930000-0x0000000006A85000-memory.dmp

Filesize
1.3MB

Download
memory/1184-25-0x0000000006930000-0x0000000006A85000-memory.dmp

Filesize
1.3MB

Download
memory/1184-23-0x0000000006930000-0x0000000006A85000-memory.dmp

Filesize
1.3MB

Download
memory/1184-20-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/1184-8-0x0000000005060000-0x00000000051E9000-memory.dmp

Filesize
1.5MB

Download
memory/1184-13-0x00000000051F0000-0x00000000052D3000-memory.dmp

Filesize
908KB

Download
memory/1184-12-0x0000000005060000-0x00000000051E9000-memory.dmp

Filesize
1.5MB

Download
memory/2176-11-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2176-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-7-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2176-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-4-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2176-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2504-2-0x0000000000750000-0x0000000000B50000-memory.dmp

Filesize
4.0MB

Download
memory/2720-14-0x00000000006B0000-0x00000000006BD000-memory.dmp

Filesize
52KB

Download
memory/2720-16-0x00000000006B0000-0x00000000006BD000-memory.dmp

Filesize
52KB

Download
memory/2720-17-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing