formbook | fce6218eda97d21dc46c3d8042bed93e3d26a9751bcc7aad22cda66b935c3b0d

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/2064-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2064-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2064-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2152-17-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 2064	2128	newww.exe	31
PID 2064 set thread context of 1144	2064	svchost.exe	20
PID 2064 set thread context of 1144	2064	svchost.exe	20
PID 2152 set thread context of 1144	2152	svchost.exe	20

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1868	2128	WerFault.exe	30

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2064	svchost.exe
2064	svchost.exe
2064	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe
2152	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2128	newww.exe
2064	svchost.exe
2064	svchost.exe
2064	svchost.exe
2064	svchost.exe
2152	svchost.exe
2152	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	svchost.exe
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeDebugPrivilege	2152	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2128	newww.exe
2128	newww.exe
1144	Explorer.EXE
1144	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2128	newww.exe
2128	newww.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2064	2128	newww.exe	31
PID 2128 wrote to memory of 2064	2128	newww.exe	31
PID 2128 wrote to memory of 2064	2128	newww.exe	31
PID 2128 wrote to memory of 2064	2128	newww.exe	31
PID 2128 wrote to memory of 2064	2128	newww.exe	31
PID 2128 wrote to memory of 1868	2128	newww.exe	32
PID 2128 wrote to memory of 1868	2128	newww.exe	32
PID 2128 wrote to memory of 1868	2128	newww.exe	32
PID 2128 wrote to memory of 1868	2128	newww.exe	32
PID 1144 wrote to memory of 2152	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2152	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2152	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2152	1144	Explorer.EXE	33
PID 2152 wrote to memory of 2760	2152	svchost.exe	34
PID 2152 wrote to memory of 2760	2152	svchost.exe	34
PID 2152 wrote to memory of 2760	2152	svchost.exe	34
PID 2152 wrote to memory of 2760	2152	svchost.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1144
- 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:2128
- - 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:2064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 312
    3⤵
    - Program crash
    PID:1868
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2152
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2760

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/1144-14-0x0000000005310000-0x0000000005408000-memory.dmp

Filesize
992KB

Download
memory/1144-25-0x00000000067B0000-0x0000000006935000-memory.dmp

Filesize
1.5MB

Download
memory/1144-24-0x00000000067B0000-0x0000000006935000-memory.dmp

Filesize
1.5MB

Download
memory/1144-8-0x0000000005000000-0x0000000005128000-memory.dmp

Filesize
1.2MB

Download
memory/1144-22-0x00000000067B0000-0x0000000006935000-memory.dmp

Filesize
1.5MB

Download
memory/1144-18-0x0000000005310000-0x0000000005408000-memory.dmp

Filesize
992KB

Download
memory/1144-10-0x0000000005000000-0x0000000005128000-memory.dmp

Filesize
1.2MB

Download
memory/2064-13-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2064-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2064-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2064-7-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/2064-4-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/2064-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2128-2-0x0000000000930000-0x0000000000D30000-memory.dmp

Filesize
4.0MB

Download
memory/2128-11-0x0000000000930000-0x0000000000D30000-memory.dmp

Filesize
4.0MB

Download
memory/2152-16-0x0000000000610000-0x0000000000618000-memory.dmp

Filesize
32KB

Download
memory/2152-15-0x0000000000610000-0x0000000000618000-memory.dmp

Filesize
32KB

Download
memory/2152-17-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

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