formbook | 47994e4d40a5ce2ba4e0ae2a6b1e46a5ee811df3d2faca79277e9d584865c15e

General

Target

QdxL2FWZUL5AkPL.exe
Size

575KB
MD5

8825b50e377782c6c889c43998b31555
SHA1

3d23cbc80c53b1fbf382e08d39ecf5f77d0d3419
SHA256

aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882
SHA512

864e8c8ba8d279e8764a9411914d95da99526104c9b07ae92c36b0ed1c7a9b34fcd212a622429a23313af9e61854f5c28bb2d71778d9fd1614f1c7325560e81b
SSDEEP

12288:VU01JG3ZdnU/XhUgzPma5dt6NCttGpXQ+apuaFxnkeZe1tdtTJ:VXPGrnUZUsOa5dtmC4Q+A7hZe1

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2444-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2444-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2444-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2576-28-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
3044	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2444 set thread context of 1192	2444	QdxL2FWZUL5AkPL.exe	21
PID 2444 set thread context of 1192	2444	QdxL2FWZUL5AkPL.exe	21
PID 2576 set thread context of 1192	2576	help.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	QdxL2FWZUL5AkPL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2300	QdxL2FWZUL5AkPL.exe
2300	QdxL2FWZUL5AkPL.exe
2444	QdxL2FWZUL5AkPL.exe
2444	QdxL2FWZUL5AkPL.exe
2444	QdxL2FWZUL5AkPL.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe
2576	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2444	QdxL2FWZUL5AkPL.exe
2444	QdxL2FWZUL5AkPL.exe
2444	QdxL2FWZUL5AkPL.exe
2444	QdxL2FWZUL5AkPL.exe
2576	help.exe
2576	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	QdxL2FWZUL5AkPL.exe
Token: SeDebugPrivilege	2444	QdxL2FWZUL5AkPL.exe
Token: SeDebugPrivilege	2576	help.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 2300 wrote to memory of 2444	2300	QdxL2FWZUL5AkPL.exe	30
PID 1192 wrote to memory of 2576	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2576	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2576	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2576	1192	Explorer.EXE	31
PID 2576 wrote to memory of 3044	2576	help.exe	32
PID 2576 wrote to memory of 3044	2576	help.exe	32
PID 2576 wrote to memory of 3044	2576	help.exe	32
PID 2576 wrote to memory of 3044	2576	help.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\QdxL2FWZUL5AkPL.exe
  "C:\Users\Admin\AppData\Local\Temp\QdxL2FWZUL5AkPL.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Users\Admin\AppData\Local\Temp\QdxL2FWZUL5AkPL.exe
    "C:\Users\Admin\AppData\Local\Temp\QdxL2FWZUL5AkPL.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2444
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2576
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\QdxL2FWZUL5AkPL.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3044

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/1192-19-0x0000000004FD0000-0x0000000005138000-memory.dmp

Filesize
1.4MB

Download
memory/1192-29-0x0000000005140000-0x0000000005209000-memory.dmp

Filesize
804KB

Download
memory/1192-24-0x0000000004FD0000-0x0000000005138000-memory.dmp

Filesize
1.4MB

Download
memory/1192-23-0x0000000005140000-0x0000000005209000-memory.dmp

Filesize
804KB

Download
memory/2300-6-0x00000000057A0000-0x0000000005816000-memory.dmp

Filesize
472KB

Download
memory/2300-5-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x0000000000950000-0x00000000009E6000-memory.dmp

Filesize
600KB

Download
memory/2300-2-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-3-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/2300-4-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2300-14-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-18-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2444-15-0x0000000000B80000-0x0000000000E83000-memory.dmp

Filesize
3.0MB

Download
memory/2444-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-22-0x0000000000530000-0x0000000000544000-memory.dmp

Filesize
80KB

Download
memory/2444-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2444-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2576-27-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/2576-25-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/2576-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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