formbook | 1f353c80cb9caf0e679a2dde8eae3e1ad9a230d8f3068eeecc88c42db5679977

General

Target

company business card.exe
Size

530KB
MD5

5720c1439c56c3e4751d2e54d32119ec
SHA1

5282f060debe8835faa37544bbe8218c5260ec8d
SHA256

3be235780a8d7a8727a3535e5d236a51c4aff577f89140da4ac58ddf13712aab
SHA512

ce826e66df08036b4c7843da2003ae522c5ed6674042cc2ee262380a1ba8459d54a97dcac40b7ad6decbc8397cfcc11957fc82880666407315317f6375bbe0e8
SSDEEP

12288:KhQVh9a17gNm5YnXDdx2OjKhNHySntnbjA6hKrHx9fscNj9rmiqwf:KhQVh9FDdx2GKzSStvA60xqcNY2

Score

10^/10

formbook n6ma discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n6ma

Decoy

360thrusters.com

activaadvice.xyz

fundmerica-express.com

hnzttx.com

schermerhornfuel.com

westseattledogs.com

sta-lynsvalleybulldogs.com

casualcollars.com

syden-dev.com

ctsquiroz.net

afcareeracademy.com

ofix.online

iworkers.team

nomad-brains.com

wtbgf.com

didemfoods.com

rsqkb.com

statepenrecords.com

virtualbirthdaymagicians.com

bizmarketingsolution.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2092-2-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1736	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2092	2100	company business card.exe	30
PID 2092 set thread context of 1216	2092	company business card.exe	21
PID 2548 set thread context of 1216	2548	control.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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	company business card.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2092	company business card.exe
2092	company business card.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2100	company business card.exe
2092	company business card.exe
2092	company business card.exe
2092	company business card.exe
2548	control.exe
2548	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	company business card.exe
Token: SeDebugPrivilege	2548	control.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2092	2100	company business card.exe	30
PID 2100 wrote to memory of 2092	2100	company business card.exe	30
PID 2100 wrote to memory of 2092	2100	company business card.exe	30
PID 2100 wrote to memory of 2092	2100	company business card.exe	30
PID 2100 wrote to memory of 2092	2100	company business card.exe	30
PID 1216 wrote to memory of 2548	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2548	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2548	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2548	1216	Explorer.EXE	31
PID 2548 wrote to memory of 1736	2548	control.exe	32
PID 2548 wrote to memory of 1736	2548	control.exe	32
PID 2548 wrote to memory of 1736	2548	control.exe	32
PID 2548 wrote to memory of 1736	2548	control.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\company business card.exe
  "C:\Users\Admin\AppData\Local\Temp\company business card.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Users\Admin\AppData\Local\Temp\company business card.exe
    "C:\Users\Admin\AppData\Local\Temp\company business card.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2092
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2548
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\company business card.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1736

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/1216-6-0x0000000004F70000-0x00000000050FB000-memory.dmp

Filesize
1.5MB

Download
memory/1216-10-0x0000000004F70000-0x00000000050FB000-memory.dmp

Filesize
1.5MB

Download
memory/1216-11-0x00000000030C0000-0x00000000031C0000-memory.dmp

Filesize
1024KB

Download
memory/2092-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2092-4-0x0000000001140000-0x0000000001194000-memory.dmp

Filesize
336KB

Download
memory/2100-1-0x0000000001140000-0x0000000001194000-memory.dmp

Filesize
336KB

Download
memory/2100-0-0x000000000118C000-0x000000000118D000-memory.dmp

Filesize
4KB

Download
memory/2100-3-0x0000000001140000-0x0000000001194000-memory.dmp

Filesize
336KB

Download
memory/2548-7-0x0000000000DD0000-0x0000000000DEF000-memory.dmp

Filesize
124KB

Download
memory/2548-9-0x0000000000DD0000-0x0000000000DEF000-memory.dmp

Filesize
124KB

Download

Analysis

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