formbook | 2252599383b4e54f400f12a0c23be17fecb82c33f225684086c33c518808e932

General

Target

isktuabvmv.exe
Size

6KB
MD5

4debf3d4be3833c81372eab33bcc8f99
SHA1

3c01f72309070804bda00f0545ba92dc32635d36
SHA256

a5a20c3c5c6a4882e770da52b1a8d498b39fdbf549bffa6b594566d7f26c99a5
SHA512

1418bc4717718a6f2fbbf738cde04509b5a8dcefe430b9be0dde97551248551f136e5d7649d8ef415ce67507cbb2c4c7b3ac29824f6abb611a4f658f46a74451
SSDEEP

96:BLdFF7rmlmOlmIYeFljSq1cD2V3pqjoZxRaLKC:xdFF7r7DIYejjSwqjoZXSK

Score

10^/10

formbook je14 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je14

Decoy

innervisionbuildings.com

theenergysocialite.com

565548.com

panghr.com

onlyonesolutions.com

stjohnzone6.com

cnotes.rest

helfeb.online

xixi-s-inc.club

easilyentered.com

theshopx.store

mrclean-ac.com

miamibeachwateradventures.com

jpearce.co.uk

seseragi-bunkou.com

minimaddie.com

commbank-help-849c3.com

segohandelsonderneming.com

namthanhreal.com

fototerapi.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/2192-1-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2192-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2164-9-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1884	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 2192	1632	isktuabvmv.exe	31
PID 2192 set thread context of 1232	2192	isktuabvmv.exe	21
PID 2164 set thread context of 1232	2164	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	isktuabvmv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2192	isktuabvmv.exe
2192	isktuabvmv.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe
2164	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1632	isktuabvmv.exe
2192	isktuabvmv.exe
2192	isktuabvmv.exe
2192	isktuabvmv.exe
2164	control.exe
2164	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	isktuabvmv.exe
Token: SeDebugPrivilege	2164	control.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2192	1632	isktuabvmv.exe	31
PID 1632 wrote to memory of 2192	1632	isktuabvmv.exe	31
PID 1632 wrote to memory of 2192	1632	isktuabvmv.exe	31
PID 1632 wrote to memory of 2192	1632	isktuabvmv.exe	31
PID 1632 wrote to memory of 2192	1632	isktuabvmv.exe	31
PID 1232 wrote to memory of 2164	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2164	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2164	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2164	1232	Explorer.EXE	32
PID 2164 wrote to memory of 1884	2164	control.exe	33
PID 2164 wrote to memory of 1884	2164	control.exe	33
PID 2164 wrote to memory of 1884	2164	control.exe	33
PID 2164 wrote to memory of 1884	2164	control.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\isktuabvmv.exe
  "C:\Users\Admin\AppData\Local\Temp\isktuabvmv.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Users\Admin\AppData\Local\Temp\isktuabvmv.exe
    "C:\Users\Admin\AppData\Local\Temp\isktuabvmv.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2192
- 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:2164
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\isktuabvmv.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1884

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/1232-4-0x0000000005160000-0x00000000052E3000-memory.dmp

Filesize
1.5MB

Download
memory/1232-10-0x0000000005160000-0x00000000052E3000-memory.dmp

Filesize
1.5MB

Download
memory/1232-15-0x0000000004230000-0x00000000042C7000-memory.dmp

Filesize
604KB

Download
memory/1232-16-0x0000000004230000-0x00000000042C7000-memory.dmp

Filesize
604KB

Download
memory/1232-18-0x0000000004230000-0x00000000042C7000-memory.dmp

Filesize
604KB

Download
memory/1632-0-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download
memory/2164-8-0x0000000000100000-0x000000000011F000-memory.dmp

Filesize
124KB

Download
memory/2164-7-0x0000000000100000-0x000000000011F000-memory.dmp

Filesize
124KB

Download
memory/2164-9-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2192-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2192-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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