formbook | 0318fac012cb6517f70ca7ff5553cf59faba507b0f65936350c5450de62a2adf

General

Target

LVThgpHFRmrdHY0.exe
Size

611KB
MD5

509cdfecf3cf6fe8d3def69f6c64e9de
SHA1

d2b20716d3b7601506fb31551d5f235a117d4277
SHA256

c601518d243a95bd69059eee0bd30095ecd0bc33f2ffce671b695145429913b1
SHA512

c93a06b7df80ac9896bf40bacce1d64036a4d5ace3ef94fb456c4f5c7df98fecb8bfde421bb95c2e2f57552ce5349d6f243f5e521dfffe7374ebb47dddc5f233
SSDEEP

12288:YP7kvDoQ7+M+fjf+oH3bMyuhVAJ2LsBwaUJ/H1S0DM:YPonR+fj2bpVA4B+0I

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/2252-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2252-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2808-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2740	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2252 set thread context of 1188	2252	LVThgpHFRmrdHY0.exe	21
PID 2808 set thread context of 1188	2808	systray.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	LVThgpHFRmrdHY0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2548	LVThgpHFRmrdHY0.exe
2548	LVThgpHFRmrdHY0.exe
2252	LVThgpHFRmrdHY0.exe
2252	LVThgpHFRmrdHY0.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2252	LVThgpHFRmrdHY0.exe
2252	LVThgpHFRmrdHY0.exe
2252	LVThgpHFRmrdHY0.exe
2808	systray.exe
2808	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	LVThgpHFRmrdHY0.exe
Token: SeDebugPrivilege	2252	LVThgpHFRmrdHY0.exe
Token: SeDebugPrivilege	2808	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 2548 wrote to memory of 2252	2548	LVThgpHFRmrdHY0.exe	31
PID 1188 wrote to memory of 2808	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2808	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2808	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2808	1188	Explorer.EXE	32
PID 2808 wrote to memory of 2740	2808	systray.exe	33
PID 2808 wrote to memory of 2740	2808	systray.exe	33
PID 2808 wrote to memory of 2740	2808	systray.exe	33
PID 2808 wrote to memory of 2740	2808	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe
  "C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe
    "C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2252
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2808
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2740

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/1188-18-0x00000000051C0000-0x00000000052BB000-memory.dmp

Filesize
1004KB

Download
memory/1188-22-0x00000000051C0000-0x00000000052BB000-memory.dmp

Filesize
1004KB

Download
memory/2252-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2252-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2252-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2252-13-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download
memory/2252-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2252-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2548-12-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2548-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2548-3-0x0000000000930000-0x0000000000940000-memory.dmp

Filesize
64KB

Download
memory/2548-6-0x0000000005280000-0x00000000052F6000-memory.dmp

Filesize
472KB

Download
memory/2548-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2548-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2548-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2548-1-0x0000000000A40000-0x0000000000ADE000-memory.dmp

Filesize
632KB

Download
memory/2808-20-0x0000000000C20000-0x0000000000C25000-memory.dmp

Filesize
20KB

Download
memory/2808-19-0x0000000000C20000-0x0000000000C25000-memory.dmp

Filesize
20KB

Download
memory/2808-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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