formbook | 0e4890952f2506c3cd0124d53fa0c39f2cdaf432c2be5f3ac6257793013e618b

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 07:27

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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 credential_access discovery 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2676-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2676-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2676-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2840-29-0x00000000000C0000-0x00000000000EF000-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
2332	powershell.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\8e23f17a28191c04596391464d43870c = "C:\\Users\\Admin\\8e23f17a28191c04596391464d43870c.exe"	8e23f17a28191c04596391464d43870c.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 2676 set thread context of 1076	2676	wab.exe	18
PID 2676 set thread context of 1076	2676	wab.exe	18
PID 2840 set thread context of 1076	2840	NAPSTAT.EXE	18

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2332	powershell.exe
2676	wab.exe
2676	wab.exe
2676	wab.exe
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2676	wab.exe
2676	wab.exe
2676	wab.exe
2676	wab.exe
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE
2840	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	8e23f17a28191c04596391464d43870c.exe
Token: SeDebugPrivilege	2332	powershell.exe
Token: SeDebugPrivilege	2676	wab.exe
Token: SeDebugPrivilege	2840	NAPSTAT.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2332	3052	8e23f17a28191c04596391464d43870c.exe	31
PID 3052 wrote to memory of 2332	3052	8e23f17a28191c04596391464d43870c.exe	31
PID 3052 wrote to memory of 2332	3052	8e23f17a28191c04596391464d43870c.exe	31
PID 3052 wrote to memory of 2216	3052	8e23f17a28191c04596391464d43870c.exe	33
PID 3052 wrote to memory of 2216	3052	8e23f17a28191c04596391464d43870c.exe	33
PID 3052 wrote to memory of 2216	3052	8e23f17a28191c04596391464d43870c.exe	33
PID 3052 wrote to memory of 2216	3052	8e23f17a28191c04596391464d43870c.exe	33
PID 3052 wrote to memory of 2216	3052	8e23f17a28191c04596391464d43870c.exe	33
PID 3052 wrote to memory of 2864	3052	8e23f17a28191c04596391464d43870c.exe	34
PID 3052 wrote to memory of 2864	3052	8e23f17a28191c04596391464d43870c.exe	34
PID 3052 wrote to memory of 2864	3052	8e23f17a28191c04596391464d43870c.exe	34
PID 3052 wrote to memory of 2864	3052	8e23f17a28191c04596391464d43870c.exe	34
PID 3052 wrote to memory of 2864	3052	8e23f17a28191c04596391464d43870c.exe	34
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 3052 wrote to memory of 2676	3052	8e23f17a28191c04596391464d43870c.exe	35
PID 2676 wrote to memory of 2840	2676	wab.exe	37
PID 2676 wrote to memory of 2840	2676	wab.exe	37
PID 2676 wrote to memory of 2840	2676	wab.exe	37
PID 2676 wrote to memory of 2840	2676	wab.exe	37
PID 2840 wrote to memory of 2612	2840	NAPSTAT.EXE	38
PID 2840 wrote to memory of 2612	2840	NAPSTAT.EXE	38
PID 2840 wrote to memory of 2612	2840	NAPSTAT.EXE	38
PID 2840 wrote to memory of 2612	2840	NAPSTAT.EXE	38
PID 2840 wrote to memory of 2612	2840	NAPSTAT.EXE	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076
- C:\Users\Admin\AppData\Local\Temp\8e23f17a28191c04596391464d43870c.exe
  "C:\Users\Admin\AppData\Local\Temp\8e23f17a28191c04596391464d43870c.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2332
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:2216
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:2864
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.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:2676
  - - C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2840
    - - C:\Program Files\Mozilla Firefox\Firefox.exe
        
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        5⤵
        
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logim.jpeg

Filesize
74KB

MD5
0ce70c277236c438cd2b2e5d64946936

SHA1
39d28e72a7e7957de9ac8af2c4550b2ec33b6267

SHA256
830f9f016acb6982a25a76b64ed1d734e8de229df097fda72d7d7c0782b82adb

SHA512
23a93d8e2892fc84e02ba66c2961bec1bc882e2b36eb06571c1c521b6f30b6704cc8ebf61256f6203f26fbacba1da76e27f53e7ac3a7d8618c78c4262f8d4635

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1076-17-0x00000000002E0000-0x00000000003E0000-memory.dmp

Filesize
1024KB

Download
memory/1076-22-0x0000000007730000-0x00000000078CF000-memory.dmp

Filesize
1.6MB

Download
memory/1076-37-0x0000000007C40000-0x0000000007DBD000-memory.dmp

Filesize
1.5MB

Download
memory/1076-25-0x0000000007A50000-0x0000000007BBC000-memory.dmp

Filesize
1.4MB

Download
memory/1076-28-0x0000000007A50000-0x0000000007BBC000-memory.dmp

Filesize
1.4MB

Download
memory/1076-20-0x0000000007730000-0x00000000078CF000-memory.dmp

Filesize
1.6MB

Download
memory/2332-8-0x000007FEF5B10000-0x000007FEF64AD000-memory.dmp

Filesize
9.6MB

Download
memory/2332-12-0x000007FEF5B10000-0x000007FEF64AD000-memory.dmp

Filesize
9.6MB

Download
memory/2332-4-0x000007FEF5DCE000-0x000007FEF5DCF000-memory.dmp

Filesize
4KB

Download
memory/2332-11-0x000007FEF5B10000-0x000007FEF64AD000-memory.dmp

Filesize
9.6MB

Download
memory/2332-9-0x000007FEF5B10000-0x000007FEF64AD000-memory.dmp

Filesize
9.6MB

Download
memory/2332-7-0x000007FEF5B10000-0x000007FEF64AD000-memory.dmp

Filesize
9.6MB

Download
memory/2332-6-0x0000000001E00000-0x0000000001E08000-memory.dmp

Filesize
32KB

Download
memory/2332-5-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/2676-19-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2676-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-24-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/2676-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-15-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/2676-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-26-0x0000000000590000-0x00000000005D6000-memory.dmp

Filesize
280KB

Download
memory/2840-27-0x0000000000590000-0x00000000005D6000-memory.dmp

Filesize
280KB

Download
memory/2840-29-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download