formbook | a87b700c19104816959afda09a7673d758a21261d417c14d20a208280ee3385f

General

Target

GdW7Ha20ohjbzXg.exe
Size

615KB
MD5

52f47f35616ad4633470e06b3faf9e60
SHA1

fdf4d0243984fd21f9b6e119d65d42daa105b3a7
SHA256

a87b700c19104816959afda09a7673d758a21261d417c14d20a208280ee3385f
SHA512

ec6d26fde44e77e08c53169c88b887ebdf3e3745ac386ae7234639671a6b09d8f62beafaf875df6e90ca6f6bc3254bd4fa2b6b17c5e6db7fb7340583b7a5e059
SSDEEP

12288:2p7kvDoQSUCHgdLdHi7UaYdREb2WJCXudsrlkVZBqIgikrwGK:2poe9HgdLsUaYdREyWMXudOlk75gtr

Score

10^/10

formbook d16h discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d16h

Decoy

iki-graphy.online

l8z8c.vip

1709.asia

inematography-course-72246.bond

pis3noe2e.sbs

wernv.xyz

ovepepe.xyz

ama-online.world

ookmouse.fun

harkclothingdesigns.xyz

bbvvjuiqew.bond

sed-cars-93620.bond

esgateeganhe.shop

cekmeledak.info

ebulahorizon.buzz

peakers-92991.bond

essislotgoal16.top

hafi.biz

ichunyang.club

lrica.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2296-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2296-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2296-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 2296 set thread context of 1172	2296	GdW7Ha20ohjbzXg.exe	21
PID 2296 set thread context of 1172	2296	GdW7Ha20ohjbzXg.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2832	WerFault.exe	32

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	GdW7Ha20ohjbzXg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GdW7Ha20ohjbzXg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2296	GdW7Ha20ohjbzXg.exe
2296	GdW7Ha20ohjbzXg.exe
2296	GdW7Ha20ohjbzXg.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2296	GdW7Ha20ohjbzXg.exe
2296	GdW7Ha20ohjbzXg.exe
2296	GdW7Ha20ohjbzXg.exe
2296	GdW7Ha20ohjbzXg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	GdW7Ha20ohjbzXg.exe
Token: SeShutdownPrivilege	1172	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 3004 wrote to memory of 2296	3004	GdW7Ha20ohjbzXg.exe	31
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2296 wrote to memory of 2832	2296	GdW7Ha20ohjbzXg.exe	32
PID 2832 wrote to memory of 2316	2832	msiexec.exe	33
PID 2832 wrote to memory of 2316	2832	msiexec.exe	33
PID 2832 wrote to memory of 2316	2832	msiexec.exe	33
PID 2832 wrote to memory of 2316	2832	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172
- C:\Users\Admin\AppData\Local\Temp\GdW7Ha20ohjbzXg.exe
  "C:\Users\Admin\AppData\Local\Temp\GdW7Ha20ohjbzXg.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Users\Admin\AppData\Local\Temp\GdW7Ha20ohjbzXg.exe
    "C:\Users\Admin\AppData\Local\Temp\GdW7Ha20ohjbzXg.exe"
    3⤵
    - 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:2296
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2832
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 268
        5⤵
        Program crash
        
        PID:2316

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/1172-18-0x00000000051C0000-0x0000000005306000-memory.dmp

Filesize
1.3MB

Download
memory/1172-28-0x0000000006AE0000-0x0000000006C1B000-memory.dmp

Filesize
1.2MB

Download
memory/1172-23-0x0000000006AE0000-0x0000000006C1B000-memory.dmp

Filesize
1.2MB

Download
memory/1172-22-0x00000000051C0000-0x0000000005306000-memory.dmp

Filesize
1.3MB

Download
memory/2296-21-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/2296-16-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/2296-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2296-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-13-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download
memory/2832-25-0x0000000000AD0000-0x0000000000AE4000-memory.dmp

Filesize
80KB

Download
memory/2832-24-0x0000000000AD0000-0x0000000000AE4000-memory.dmp

Filesize
80KB

Download
memory/2832-27-0x0000000000AD0000-0x0000000000AE4000-memory.dmp

Filesize
80KB

Download
memory/3004-5-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-12-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-4-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/3004-3-0x0000000000440000-0x0000000000450000-memory.dmp

Filesize
64KB

Download
memory/3004-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/3004-6-0x0000000004D20000-0x0000000004D96000-memory.dmp

Filesize
472KB

Download
memory/3004-1-0x00000000008C0000-0x0000000000960000-memory.dmp

Filesize
640KB

Download

Analysis

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