formbook | 76a8adb73b3b2f0d94ae2fceb1fc4c6307c318f102fffa93fb353bf94b204d38

General

Target

OAa3nu595dA7afB.exe
Size

553KB
MD5

1823dce627d29f5d4985501267f7ad9f
SHA1

1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3
SHA256

c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
SHA512

88421fa99979a5ed7d55a2dccffbb96af3e72539e5dba61bf7860d2321a2f79deb5e9aae65e3fb9e5a17998a60d87abbbdc7b0dc495c991b4a3813a2ef8edb72
SSDEEP

12288:DMSSBQvlKxIhc8+PzqBpzZCRtDSybgO5Kdw06aDSBaEK:D0ByMstCvDS4h0dbDSB3

Score

10^/10

formbook dn7r discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3452-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3452-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3452-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/448-27-0x0000000000910000-0x000000000093F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 3452	4712	OAa3nu595dA7afB.exe	92
PID 3452 set thread context of 3536	3452	OAa3nu595dA7afB.exe	56
PID 3452 set thread context of 3536	3452	OAa3nu595dA7afB.exe	56
PID 448 set thread context of 3536	448	control.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	OAa3nu595dA7afB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OAa3nu595dA7afB.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 46 IoCs

pid	Process
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe
448	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
3452	OAa3nu595dA7afB.exe
448	control.exe
448	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3452	OAa3nu595dA7afB.exe
Token: SeDebugPrivilege	448	control.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 3452	4712	OAa3nu595dA7afB.exe	92
PID 4712 wrote to memory of 3452	4712	OAa3nu595dA7afB.exe	92
PID 4712 wrote to memory of 3452	4712	OAa3nu595dA7afB.exe	92
PID 4712 wrote to memory of 3452	4712	OAa3nu595dA7afB.exe	92
PID 4712 wrote to memory of 3452	4712	OAa3nu595dA7afB.exe	92
PID 4712 wrote to memory of 3452	4712	OAa3nu595dA7afB.exe	92
PID 3452 wrote to memory of 448	3452	OAa3nu595dA7afB.exe	93
PID 3452 wrote to memory of 448	3452	OAa3nu595dA7afB.exe	93
PID 3452 wrote to memory of 448	3452	OAa3nu595dA7afB.exe	93
PID 448 wrote to memory of 4400	448	control.exe	94
PID 448 wrote to memory of 4400	448	control.exe	94
PID 448 wrote to memory of 4400	448	control.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3536
- C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
  "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
    "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.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:3452
  - - C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.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:448
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4400

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/448-25-0x0000000000820000-0x0000000000847000-memory.dmp

Filesize
156KB

Download
memory/448-27-0x0000000000910000-0x000000000093F000-memory.dmp

Filesize
188KB

Download
memory/448-24-0x0000000000820000-0x0000000000847000-memory.dmp

Filesize
156KB

Download
memory/3452-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-21-0x0000000001550000-0x0000000001565000-memory.dmp

Filesize
84KB

Download
memory/3452-14-0x00000000010A0000-0x00000000013EA000-memory.dmp

Filesize
3.3MB

Download
memory/3452-17-0x0000000001080000-0x0000000001095000-memory.dmp

Filesize
84KB

Download
memory/3536-18-0x00000000031C0000-0x0000000003293000-memory.dmp

Filesize
844KB

Download
memory/3536-33-0x0000000008DA0000-0x0000000008EBB000-memory.dmp

Filesize
1.1MB

Download
memory/3536-31-0x0000000008DA0000-0x0000000008EBB000-memory.dmp

Filesize
1.1MB

Download
memory/3536-30-0x0000000008DA0000-0x0000000008EBB000-memory.dmp

Filesize
1.1MB

Download
memory/3536-26-0x0000000008700000-0x0000000008826000-memory.dmp

Filesize
1.1MB

Download
memory/3536-23-0x00000000031C0000-0x0000000003293000-memory.dmp

Filesize
844KB

Download
memory/3536-22-0x0000000008700000-0x0000000008826000-memory.dmp

Filesize
1.1MB

Download
memory/4712-10-0x00000000074E0000-0x000000000755E000-memory.dmp

Filesize
504KB

Download
memory/4712-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4712-13-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4712-4-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4712-9-0x0000000007350000-0x00000000073EC000-memory.dmp

Filesize
624KB

Download
memory/4712-3-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/4712-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/4712-8-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1-0x0000000000CE0000-0x0000000000D70000-memory.dmp

Filesize
576KB

Download
memory/4712-7-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4712-6-0x00000000059F0000-0x00000000059FA000-memory.dmp

Filesize
40KB

Download
memory/4712-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download

Analysis

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