formbook | b25586519bcbe317ffc766468e0d7d5e05a566d0ceb12def074a0816440f1d96

General

Target

bothb4762.exe
Size

291KB
MD5

e40716ec136991058a86358953c71a27
SHA1

08401ceead3c6cbd5e4d187b29b6fdf9725cf63d
SHA256

f1e8731c7e1849989749c9ff23497e310025a9536fea8d25ccab050db2fffe33
SHA512

a6cd0a9194da99a1dedbc1d99b0bd600a055aa1b9478a1d7831ab88e64dd0216b11eef0d24c128bcd77d0e68273fb961f1ff8ff230056379ca48108a64d25b11
SSDEEP

6144:MfAn+VymyRH+jffLf+4J+8IiTA7PmgtZrZ+XWlu:MfAOBYejffLRw8IjjrYGE

Score

10^/10

formbook lt0h discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

lt0h

Decoy

originalindigofurniture.co.uk

fl6588.com

acecademy.com

yaerofinerindalnalising.com

mendilovic.online

rishenght.com

famlees.com

myhomeofficemarket.com

bouquetarabia.com

chrisbani.com

freebandslegally.com

hernandezinsurancegroup.net

slicedandfresh.com

apnathikanas.com

chadhatesyou.com

ansilsas.com

in3development.com

nitiren.net

peespn.com

valengz.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1532-2-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1532-5-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2600	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 1532	2312	bothb4762.exe	31
PID 1532 set thread context of 1224	1532	bothb4762.exe	21
PID 844 set thread context of 1224	844	cscript.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	bothb4762.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1532	bothb4762.exe
1532	bothb4762.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe
844	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2312	bothb4762.exe
1532	bothb4762.exe
1532	bothb4762.exe
1532	bothb4762.exe
844	cscript.exe
844	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	bothb4762.exe
Token: SeDebugPrivilege	844	cscript.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1532	2312	bothb4762.exe	31
PID 2312 wrote to memory of 1532	2312	bothb4762.exe	31
PID 2312 wrote to memory of 1532	2312	bothb4762.exe	31
PID 2312 wrote to memory of 1532	2312	bothb4762.exe	31
PID 2312 wrote to memory of 1532	2312	bothb4762.exe	31
PID 1224 wrote to memory of 844	1224	Explorer.EXE	32
PID 1224 wrote to memory of 844	1224	Explorer.EXE	32
PID 1224 wrote to memory of 844	1224	Explorer.EXE	32
PID 1224 wrote to memory of 844	1224	Explorer.EXE	32
PID 844 wrote to memory of 2600	844	cscript.exe	33
PID 844 wrote to memory of 2600	844	cscript.exe	33
PID 844 wrote to memory of 2600	844	cscript.exe	33
PID 844 wrote to memory of 2600	844	cscript.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\bothb4762.exe
  "C:\Users\Admin\AppData\Local\Temp\bothb4762.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Users\Admin\AppData\Local\Temp\bothb4762.exe
    "C:\Users\Admin\AppData\Local\Temp\bothb4762.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1532
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:844
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bothb4762.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2600

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/844-11-0x00000000002F0000-0x0000000000312000-memory.dmp

Filesize
136KB

Download
memory/844-10-0x00000000002F0000-0x0000000000312000-memory.dmp

Filesize
136KB

Download
memory/1224-12-0x0000000004F60000-0x00000000050E4000-memory.dmp

Filesize
1.5MB

Download
memory/1224-6-0x00000000042C0000-0x00000000044C0000-memory.dmp

Filesize
2.0MB

Download
memory/1224-7-0x0000000004F60000-0x00000000050E4000-memory.dmp

Filesize
1.5MB

Download
memory/1224-16-0x00000000082B0000-0x00000000083F4000-memory.dmp

Filesize
1.3MB

Download
memory/1224-17-0x00000000082B0000-0x00000000083F4000-memory.dmp

Filesize
1.3MB

Download
memory/1224-19-0x00000000082B0000-0x00000000083F4000-memory.dmp

Filesize
1.3MB

Download
memory/1532-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1532-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2312-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2312-1-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2312-0-0x0000000000413000-0x0000000000414000-memory.dmp

Filesize
4KB

Download

Analysis

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