formbook | e5d97a568f1962694316e3ac3f5120e1c2aae9d6c6a16f2b9cceed793b4377b4

Analysis

max time kernel
149s
max time network
142s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 05:23

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General

Target

101 2043 5770 pdf.exe
Size

2.0MB
MD5

5e8e7dd95b3e592a44a3c61b7f8d91f8
SHA1

d829b9e1e99087d94f527f359184f65b608190c5
SHA256

8d278608d1d1c4c5b6c048020c23351e75203066af1ae1e63c5c5ac0170cd3de
SHA512

a9846b798e89596da64cfeb844a5dcb3eefa983972cc4433cb6861464a386900a9035428187e5ae4e8b666a70df7c147f48884c512ee5823bcd1275072fc8d60
SSDEEP

49152:tl2eQMj254Xra+qk6okjyjxKtyEAqVG13lwUWQdHt:76euw

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2796-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2796-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2200-21-0x0000000000080000-0x00000000000AF000-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
1136	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\101 2043 5770 pdf = "C:\\Users\\Admin\\101 2043 5770 pdf.exe"	101 2043 5770 pdf.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2796	2988	101 2043 5770 pdf.exe	42
PID 2796 set thread context of 1192	2796	wab.exe	21
PID 2200 set thread context of 1192	2200	systray.exe	21
PID 2200 set thread context of 2892	2200	systray.exe	39

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 1 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	systray.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2958949473-3205530200-1453100116-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Runs regedit.exe 1 IoCs

pid	Process
2236	regedit.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
1136	powershell.exe
2796	wab.exe
2796	wab.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
2796	wab.exe
2796	wab.exe
2796	wab.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe
2200	systray.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	101 2043 5770 pdf.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeDebugPrivilege	2796	wab.exe
Token: SeDebugPrivilege	2200	systray.exe

Suspicious use of WriteProcessMemory 61 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 1136	2988	101 2043 5770 pdf.exe	32
PID 2988 wrote to memory of 1136	2988	101 2043 5770 pdf.exe	32
PID 2988 wrote to memory of 1136	2988	101 2043 5770 pdf.exe	32
PID 2988 wrote to memory of 2236	2988	101 2043 5770 pdf.exe	34
PID 2988 wrote to memory of 2236	2988	101 2043 5770 pdf.exe	34
PID 2988 wrote to memory of 2236	2988	101 2043 5770 pdf.exe	34
PID 2988 wrote to memory of 2236	2988	101 2043 5770 pdf.exe	34
PID 2988 wrote to memory of 2236	2988	101 2043 5770 pdf.exe	34
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2696	2988	101 2043 5770 pdf.exe	35
PID 2988 wrote to memory of 2808	2988	101 2043 5770 pdf.exe	36
PID 2988 wrote to memory of 2808	2988	101 2043 5770 pdf.exe	36
PID 2988 wrote to memory of 2808	2988	101 2043 5770 pdf.exe	36
PID 2988 wrote to memory of 2808	2988	101 2043 5770 pdf.exe	36
PID 2988 wrote to memory of 2808	2988	101 2043 5770 pdf.exe	36
PID 2988 wrote to memory of 2712	2988	101 2043 5770 pdf.exe	37
PID 2988 wrote to memory of 2712	2988	101 2043 5770 pdf.exe	37
PID 2988 wrote to memory of 2712	2988	101 2043 5770 pdf.exe	37
PID 2988 wrote to memory of 2712	2988	101 2043 5770 pdf.exe	37
PID 2988 wrote to memory of 2712	2988	101 2043 5770 pdf.exe	37
PID 2988 wrote to memory of 2660	2988	101 2043 5770 pdf.exe	38
PID 2988 wrote to memory of 2660	2988	101 2043 5770 pdf.exe	38
PID 2988 wrote to memory of 2660	2988	101 2043 5770 pdf.exe	38
PID 2988 wrote to memory of 2660	2988	101 2043 5770 pdf.exe	38
PID 2988 wrote to memory of 2660	2988	101 2043 5770 pdf.exe	38
PID 2988 wrote to memory of 2892	2988	101 2043 5770 pdf.exe	39
PID 2988 wrote to memory of 2892	2988	101 2043 5770 pdf.exe	39
PID 2988 wrote to memory of 2892	2988	101 2043 5770 pdf.exe	39
PID 2988 wrote to memory of 2892	2988	101 2043 5770 pdf.exe	39
PID 2988 wrote to memory of 2892	2988	101 2043 5770 pdf.exe	39
PID 2988 wrote to memory of 2816	2988	101 2043 5770 pdf.exe	40
PID 2988 wrote to memory of 2816	2988	101 2043 5770 pdf.exe	40
PID 2988 wrote to memory of 2816	2988	101 2043 5770 pdf.exe	40
PID 2988 wrote to memory of 2816	2988	101 2043 5770 pdf.exe	40
PID 2988 wrote to memory of 2816	2988	101 2043 5770 pdf.exe	40
PID 2988 wrote to memory of 2688	2988	101 2043 5770 pdf.exe	41
PID 2988 wrote to memory of 2688	2988	101 2043 5770 pdf.exe	41
PID 2988 wrote to memory of 2688	2988	101 2043 5770 pdf.exe	41
PID 2988 wrote to memory of 2688	2988	101 2043 5770 pdf.exe	41
PID 2988 wrote to memory of 2688	2988	101 2043 5770 pdf.exe	41
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 2988 wrote to memory of 2796	2988	101 2043 5770 pdf.exe	42
PID 1192 wrote to memory of 2200	1192	Explorer.EXE	43
PID 1192 wrote to memory of 2200	1192	Explorer.EXE	43
PID 1192 wrote to memory of 2200	1192	Explorer.EXE	43
PID 1192 wrote to memory of 2200	1192	Explorer.EXE	43
PID 2200 wrote to memory of 1748	2200	systray.exe	44
PID 2200 wrote to memory of 1748	2200	systray.exe	44
PID 2200 wrote to memory of 1748	2200	systray.exe	44
PID 2200 wrote to memory of 1748	2200	systray.exe	44
PID 2200 wrote to memory of 1748	2200	systray.exe	44

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\101 2043 5770 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\101 2043 5770 pdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2988
- - 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:1136
- - C:\Windows\regedit.exe
    "C:\Windows\regedit.exe"
    3⤵
    - Runs regedit.exe
    PID:2236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2696
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
    3⤵
    PID:2808
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:2712
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2660
- - C:\Windows\System32\notepad.exe
    "C:\Windows\System32\notepad.exe"
    3⤵
    PID:2892
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:2816
- - C:\Windows\System32\svchost.exe
    "C:\Windows\System32\svchost.exe"
    3⤵
    PID:2688
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2796
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - 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:2200
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scripting

T1064

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

Scripting

T1064

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
69KB

MD5
37dba5feb00e7d1dc3fc10e0e6d53cd7

SHA1
6ad27347a5554ccb1e92b6d90120297940ff298d

SHA256
be54c52fd33c05bc876e424f0dd0d9c01b1d48babe9b5169103d6483d2ae1556

SHA512
f002585896d6292eec5ec3ae95a6a33173c6afe17530f5d78f67aba8c23c85ae55efa0e0603c3e02df20aa330cf745ef47d2c68cb984f43148c7eeb79a2becb6

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/1136-7-0x000007FEF5AA0000-0x000007FEF643D000-memory.dmp

Filesize
9.6MB

Download
memory/1136-9-0x000007FEF5AA0000-0x000007FEF643D000-memory.dmp

Filesize
9.6MB

Download
memory/1136-11-0x000007FEF5AA0000-0x000007FEF643D000-memory.dmp

Filesize
9.6MB

Download
memory/1136-12-0x000007FEF5AA0000-0x000007FEF643D000-memory.dmp

Filesize
9.6MB

Download
memory/1136-8-0x000007FEF5AA0000-0x000007FEF643D000-memory.dmp

Filesize
9.6MB

Download
memory/1136-4-0x000007FEF5D5E000-0x000007FEF5D5F000-memory.dmp

Filesize
4KB

Download
memory/1136-6-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

Filesize
32KB

Download
memory/1136-5-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/1192-18-0x0000000004EE0000-0x000000000503D000-memory.dmp

Filesize
1.4MB

Download
memory/1192-31-0x00000000051F0000-0x000000000532F000-memory.dmp

Filesize
1.2MB

Download
memory/1192-25-0x0000000004EE0000-0x000000000503D000-memory.dmp

Filesize
1.4MB

Download
memory/2200-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2200-19-0x0000000000CA0000-0x0000000000CA5000-memory.dmp

Filesize
20KB

Download
memory/2200-20-0x0000000000CA0000-0x0000000000CA5000-memory.dmp

Filesize
20KB

Download
memory/2796-17-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2796-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2796-14-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download
memory/2796-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download