formbook | f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c

General

Target

f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
Size

623KB
MD5

269066cb8351bfe6a7922e64ef467c8c
SHA1

c5d1e4644dddc439e413aae061531b0fdcd03cb3
SHA256

f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c
SHA512

9d0600ea37e8c8f7e9ed2249648516f2aca70483e89b155149879afc9b493b5fbf5ab255a358fbba89b370026e0fb4a7ffd78ea481f16e65ab2f74174b435496
SSDEEP

12288:aVVkS8M9hf4om1TuYGlnTUucND8YhUg3sAigYSbCxP3r8vurrYqe5:skFMT4omluTNBkLs1N8Cx78viYr

Score

10^/10

formbook b48n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b48n

Decoy

anifestmindset.net

ommybahamabigsales.shop

3tcxr.xyz

iano-world.net

rconf23.net

atherpa.shop

trllrpartners.club

5sawit777.pro

ctbhuxcdreioijresol.top

opinatlas.app

pinstar.xyz

mfengwa.top

8games13.xyz

tickpaket.online

iphuodongallbbtbtm.top

ental-bridges-51593.bond

laywithkemon.rest

lkpiou.xyz

a88.land

igfloppafan.club

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2148-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	2148	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2340	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	30
PID 1948 wrote to memory of 2340	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	30
PID 1948 wrote to memory of 2340	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	30
PID 1948 wrote to memory of 2340	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	30
PID 1948 wrote to memory of 2076	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	31
PID 1948 wrote to memory of 2076	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	31
PID 1948 wrote to memory of 2076	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	31
PID 1948 wrote to memory of 2076	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	31
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 1948 wrote to memory of 2148	1948	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	32
PID 2148 wrote to memory of 2712	2148	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	33
PID 2148 wrote to memory of 2712	2148	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	33
PID 2148 wrote to memory of 2712	2148	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	33
PID 2148 wrote to memory of 2712	2148	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	33

C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
"C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
  "C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe"
  2⤵
  PID:2340
- C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
  "C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe"
  2⤵
  PID:2076
- C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
  "C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 36
    3⤵
    - Program crash
    PID:2712

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/1948-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/1948-1-0x0000000000170000-0x0000000000212000-memory.dmp

Filesize
648KB

Download
memory/1948-2-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download
memory/1948-3-0x00000000005F0000-0x0000000000608000-memory.dmp

Filesize
96KB

Download
memory/1948-4-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/1948-5-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download
memory/1948-6-0x0000000004C70000-0x0000000004CE6000-memory.dmp

Filesize
472KB

Download
memory/1948-13-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2148-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2148-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2148-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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