formbook | 09bd180b4c478eec1095da534d41b462e6a1ff212d3d97479e7659715704b4f6

Analysis

max time kernel
147s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 08:02

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General

Target

TapkrWIZsqC8OFr.exe
Size

605KB
MD5

aa0696458b029d1b1e10b15a8adbfb5b
SHA1

fe527d59683c096d5ca61ee8ddef9e923067de03
SHA256

a5721879cb391023a50bb0d6f1bc3d07fd03e457143989d0d8ce9782d0ea7f0b
SHA512

649104a516ac0909a06677c8f17e4cc179e4d79571982ff1c678d3e75af29a5803be717477f9ec039a748b35f1ebfc329ccb5879b2eb2ebb40ffd4db46dece54
SSDEEP

12288:iks9yqTB+ZR9xqduXrNC7q9pbG7xXyNOODbLhT4pUpfc+S0q:iRgqTBhdeNCQAZyNOeLhT4mpf8h

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
behavioral2/memory/4980-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4980-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4980-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2888-27-0x0000000000F40000-0x0000000000F6F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4424 set thread context of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4980 set thread context of 3464	4980	TapkrWIZsqC8OFr.exe	56
PID 4980 set thread context of 3464	4980	TapkrWIZsqC8OFr.exe	56
PID 2888 set thread context of 3464	2888	raserver.exe	56

System Location Discovery: System Language Discovery 1 TTPs 4 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	TapkrWIZsqC8OFr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TapkrWIZsqC8OFr.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
4424	TapkrWIZsqC8OFr.exe
4424	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe
2888	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
4980	TapkrWIZsqC8OFr.exe
2888	raserver.exe
2888	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	TapkrWIZsqC8OFr.exe
Token: SeDebugPrivilege	4980	TapkrWIZsqC8OFr.exe
Token: SeDebugPrivilege	2888	raserver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3464	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4424 wrote to memory of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4424 wrote to memory of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4424 wrote to memory of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4424 wrote to memory of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4424 wrote to memory of 4980	4424	TapkrWIZsqC8OFr.exe	93
PID 4980 wrote to memory of 2888	4980	TapkrWIZsqC8OFr.exe	94
PID 4980 wrote to memory of 2888	4980	TapkrWIZsqC8OFr.exe	94
PID 4980 wrote to memory of 2888	4980	TapkrWIZsqC8OFr.exe	94
PID 2888 wrote to memory of 2328	2888	raserver.exe	95
PID 2888 wrote to memory of 2328	2888	raserver.exe	95
PID 2888 wrote to memory of 2328	2888	raserver.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
PID:3464
- C:\Users\Admin\AppData\Local\Temp\TapkrWIZsqC8OFr.exe
  "C:\Users\Admin\AppData\Local\Temp\TapkrWIZsqC8OFr.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4424
- - C:\Users\Admin\AppData\Local\Temp\TapkrWIZsqC8OFr.exe
    "C:\Users\Admin\AppData\Local\Temp\TapkrWIZsqC8OFr.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:4980
  - - C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.exe"
      4⤵
      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:2888
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\TapkrWIZsqC8OFr.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2888-27-0x0000000000F40000-0x0000000000F6F000-memory.dmp

Filesize
188KB

Download
memory/2888-26-0x0000000000730000-0x000000000074F000-memory.dmp

Filesize
124KB

Download
memory/2888-24-0x0000000000730000-0x000000000074F000-memory.dmp

Filesize
124KB

Download
memory/3464-18-0x0000000007ED0000-0x0000000007FB7000-memory.dmp

Filesize
924KB

Download
memory/3464-34-0x0000000008400000-0x00000000084E3000-memory.dmp

Filesize
908KB

Download
memory/3464-32-0x0000000008400000-0x00000000084E3000-memory.dmp

Filesize
908KB

Download
memory/3464-31-0x0000000008400000-0x00000000084E3000-memory.dmp

Filesize
908KB

Download
memory/3464-28-0x00000000086B0000-0x00000000087DD000-memory.dmp

Filesize
1.2MB

Download
memory/3464-23-0x0000000007ED0000-0x0000000007FB7000-memory.dmp

Filesize
924KB

Download
memory/3464-22-0x00000000086B0000-0x00000000087DD000-memory.dmp

Filesize
1.2MB

Download
memory/4424-7-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4424-6-0x0000000005900000-0x0000000005918000-memory.dmp

Filesize
96KB

Download
memory/4424-13-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4424-1-0x0000000000BB0000-0x0000000000C4E000-memory.dmp

Filesize
632KB

Download
memory/4424-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/4424-3-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/4424-10-0x0000000009110000-0x00000000091AC000-memory.dmp

Filesize
624KB

Download
memory/4424-9-0x0000000006890000-0x0000000006906000-memory.dmp

Filesize
472KB

Download
memory/4424-5-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4424-4-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/4424-8-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4424-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4980-17-0x0000000001580000-0x0000000001594000-memory.dmp

Filesize
80KB

Download
memory/4980-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-21-0x0000000002EC0000-0x0000000002ED4000-memory.dmp

Filesize
80KB

Download
memory/4980-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-14-0x0000000001120000-0x000000000146A000-memory.dmp

Filesize
3.3MB

Download