formbook | e64639cc4061ca733acf32ca7518b8d30de90f26df61800683dc5817b5237ee2

General

Target

newww.exe
Size

1.3MB
MD5

38679fcb06dc756b3c54419c716005a9
SHA1

06580c53336b0fa594443a721ba261c8f1c0ee51
SHA256

e64639cc4061ca733acf32ca7518b8d30de90f26df61800683dc5817b5237ee2
SHA512

d1fd881f03e19bcb77b09c13ae8befc77ac3227206c643b7f417c41aac5cb0775b89e402d936da9e51967a0bf495599c2c37766a065811660c00c8c9078a7a82
SSDEEP

24576:SqDEvCTbMWu7rQYlBQcBiT6rprG8aI4uOGIq1N8ZRMKauEh4p0BU6/+:STvC/MTQYxsWR7aI4J01NsRCuEFF/

Score

10^/10

formbook a02d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

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/2184-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2184-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2184-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2104-17-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 2184	2908	newww.exe	30
PID 2184 set thread context of 1208	2184	svchost.exe	21
PID 2184 set thread context of 1208	2184	svchost.exe	21
PID 2104 set thread context of 1208	2104	explorer.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	newww.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2184	svchost.exe
2184	svchost.exe
2184	svchost.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2908	newww.exe
2184	svchost.exe
2184	svchost.exe
2184	svchost.exe
2184	svchost.exe
2104	explorer.exe
2104	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	svchost.exe
Token: SeDebugPrivilege	2104	explorer.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2908	newww.exe
2908	newww.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2908	newww.exe
2908	newww.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2184	2908	newww.exe	30
PID 2908 wrote to memory of 2184	2908	newww.exe	30
PID 2908 wrote to memory of 2184	2908	newww.exe	30
PID 2908 wrote to memory of 2184	2908	newww.exe	30
PID 2908 wrote to memory of 2184	2908	newww.exe	30
PID 1208 wrote to memory of 2104	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2104	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2104	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2104	1208	Explorer.EXE	32
PID 2104 wrote to memory of 2340	2104	explorer.exe	33
PID 2104 wrote to memory of 2340	2104	explorer.exe	33
PID 2104 wrote to memory of 2340	2104	explorer.exe	33
PID 2104 wrote to memory of 2340	2104	explorer.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\newww.exe
  "C:\Users\Admin\AppData\Local\Temp\newww.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:2908
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\newww.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2184
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2104
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2340

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/1208-13-0x0000000007770000-0x00000000078DE000-memory.dmp

Filesize
1.4MB

Download
memory/1208-26-0x0000000006B70000-0x0000000006CCF000-memory.dmp

Filesize
1.4MB

Download
memory/1208-25-0x0000000006B70000-0x0000000006CCF000-memory.dmp

Filesize
1.4MB

Download
memory/1208-23-0x0000000006B70000-0x0000000006CCF000-memory.dmp

Filesize
1.4MB

Download
memory/1208-18-0x0000000004F40000-0x0000000005012000-memory.dmp

Filesize
840KB

Download
memory/1208-8-0x0000000003A80000-0x0000000003B80000-memory.dmp

Filesize
1024KB

Download
memory/1208-9-0x0000000007770000-0x00000000078DE000-memory.dmp

Filesize
1.4MB

Download
memory/1208-14-0x0000000004F40000-0x0000000005012000-memory.dmp

Filesize
840KB

Download
memory/2104-16-0x0000000000AB0000-0x0000000000D31000-memory.dmp

Filesize
2.5MB

Download
memory/2104-15-0x0000000000AB0000-0x0000000000D31000-memory.dmp

Filesize
2.5MB

Download
memory/2104-17-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2184-12-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/2184-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2184-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2184-7-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2184-4-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/2184-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-2-0x00000000008D0000-0x0000000000CD0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing