formbook | 0e4890952f2506c3cd0124d53fa0c39f2cdaf432c2be5f3ac6257793013e618b

General

Target

8e23f17a28191c04596391464d43870c.exe
Size

2.1MB
MD5

8e23f17a28191c04596391464d43870c
SHA1

91e7b1e075aaf6ad3ce2fea102d4a31dea2e446e
SHA256

0e4890952f2506c3cd0124d53fa0c39f2cdaf432c2be5f3ac6257793013e618b
SHA512

bf9e5cee8ae9f612e3204d8343cdf11998b304673c7ecae1682de999b55d58b5632e2bff8b9893c284c1fa9cd1da618e9c3e0033214319bf1dda91b0a8f6211f
SSDEEP

49152:xfDe+fmH7RRZ1UW84VCyH+4FAGqnx+lg3jszH8u1BbSCg3E16su:xfDQQsNJT16su

Score

10^/10

formbook kmge execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/5028-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3728	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	8e23f17a28191c04596391464d43870c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8e23f17a28191c04596391464d43870c = "C:\\Users\\Admin\\8e23f17a28191c04596391464d43870c.exe"	8e23f17a28191c04596391464d43870c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1832 set thread context of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	5028	WerFault.exe	87

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3728	powershell.exe
3728	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	8e23f17a28191c04596391464d43870c.exe
Token: SeDebugPrivilege	3728	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 3728	1832	8e23f17a28191c04596391464d43870c.exe	84
PID 1832 wrote to memory of 3728	1832	8e23f17a28191c04596391464d43870c.exe	84
PID 1832 wrote to memory of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87
PID 1832 wrote to memory of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87
PID 1832 wrote to memory of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87
PID 1832 wrote to memory of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87
PID 1832 wrote to memory of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87
PID 1832 wrote to memory of 5028	1832	8e23f17a28191c04596391464d43870c.exe	87

C:\Users\Admin\AppData\Local\Temp\8e23f17a28191c04596391464d43870c.exe
"C:\Users\Admin\AppData\Local\Temp\8e23f17a28191c04596391464d43870c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:5028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 20
    3⤵
    - Program crash
    PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5028 -ip 5028
1⤵
PID:3664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w4ikdvxe.0a0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3728-0-0x00007FFE8F973000-0x00007FFE8F975000-memory.dmp

Filesize
8KB

Download
memory/3728-10-0x000001B9605C0000-0x000001B9605E2000-memory.dmp

Filesize
136KB

Download
memory/3728-11-0x00007FFE8F970000-0x00007FFE90431000-memory.dmp

Filesize
10.8MB

Download
memory/3728-12-0x00007FFE8F970000-0x00007FFE90431000-memory.dmp

Filesize
10.8MB

Download
memory/3728-17-0x00007FFE8F970000-0x00007FFE90431000-memory.dmp

Filesize
10.8MB

Download
memory/5028-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads