formbook | e3982b1cbd3445eb68e177c578113fb2d35b4ed924fbdd7486841846c7a5beb5

General

Target

productXsamplesXpdf.exe
Size

2.0MB
MD5

df6a3df979ff89cc133fd2e56a3b0c7b
SHA1

9eca96ef06673d9800a008e18f86fc2569633b15
SHA256

e3982b1cbd3445eb68e177c578113fb2d35b4ed924fbdd7486841846c7a5beb5
SHA512

42a7e84f5510dcfdcc9fb24195d4841a6fdaecd13a268bbe94983053b57dfaeba3d7dacee6b42388b4362397c81dfd1d4f15701ae8c125b4c66d4694b56bd67a
SSDEEP

49152:euAEE6l/kZzz3uBytwA6cYAyhEvFT4W1ed4zW2Z:ZuzWU5Z

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/2736-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2736-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2736-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2612-24-0x0000000000100000-0x000000000012F000-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
2812	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\productXsamplesXpdf = "C:\\Users\\Admin\\productXsamplesXpdf.exe"	productXsamplesXpdf.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2736	2228	productXsamplesXpdf.exe	34
PID 2736 set thread context of 1208	2736	wab.exe	21
PID 2736 set thread context of 1208	2736	wab.exe	21
PID 2612 set thread context of 1208	2612	raserver.exe	21

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	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2812	powershell.exe
2736	wab.exe
2736	wab.exe
2736	wab.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2736	wab.exe
2736	wab.exe
2736	wab.exe
2736	wab.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe
2612	raserver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	productXsamplesXpdf.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2736	wab.exe
Token: SeDebugPrivilege	2612	raserver.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2812	2228	productXsamplesXpdf.exe	31
PID 2228 wrote to memory of 2812	2228	productXsamplesXpdf.exe	31
PID 2228 wrote to memory of 2812	2228	productXsamplesXpdf.exe	31
PID 2228 wrote to memory of 2776	2228	productXsamplesXpdf.exe	33
PID 2228 wrote to memory of 2776	2228	productXsamplesXpdf.exe	33
PID 2228 wrote to memory of 2776	2228	productXsamplesXpdf.exe	33
PID 2228 wrote to memory of 2776	2228	productXsamplesXpdf.exe	33
PID 2228 wrote to memory of 2776	2228	productXsamplesXpdf.exe	33
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 2228 wrote to memory of 2736	2228	productXsamplesXpdf.exe	34
PID 1208 wrote to memory of 2612	1208	Explorer.EXE	35
PID 1208 wrote to memory of 2612	1208	Explorer.EXE	35
PID 1208 wrote to memory of 2612	1208	Explorer.EXE	35
PID 1208 wrote to memory of 2612	1208	Explorer.EXE	35
PID 2612 wrote to memory of 2648	2612	raserver.exe	36
PID 2612 wrote to memory of 2648	2612	raserver.exe	36
PID 2612 wrote to memory of 2648	2612	raserver.exe	36
PID 2612 wrote to memory of 2648	2612	raserver.exe	36
PID 2612 wrote to memory of 2648	2612	raserver.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\productXsamplesXpdf.exe
  "C:\Users\Admin\AppData\Local\Temp\productXsamplesXpdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2228
- - 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:2812
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:2776
- - 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:2736
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2612
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2648

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

2

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
70KB

MD5
9631e3f79ba3fc110fd637ddf1eb5254

SHA1
f71e789a927c5d5ee741a43a835665d123328a6b

SHA256
3dc90145c547d8aa2cefc6cb56b18cae15dfab08cd671bb651d498aebad84a03

SHA512
0e64bc342dd83ee437e5220b16d40f163720c625e114f0c9c9baef1fc98af5f81cb6c5d2998351b2f71f238427d3bf0783a786a5f371c5e2ca0a6f118ae2eae5

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/1208-29-0x00000000066F0000-0x00000000067A4000-memory.dmp

Filesize
720KB

Download
memory/1208-16-0x0000000006C50000-0x0000000006DAA000-memory.dmp

Filesize
1.4MB

Download
memory/1208-34-0x0000000006FE0000-0x0000000007166000-memory.dmp

Filesize
1.5MB

Download
memory/1208-20-0x0000000006C50000-0x0000000006DAA000-memory.dmp

Filesize
1.4MB

Download
memory/1208-21-0x00000000066F0000-0x00000000067A4000-memory.dmp

Filesize
720KB

Download
memory/2612-24-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/2612-22-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download
memory/2612-23-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download
memory/2736-12-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/2736-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-19-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/2736-15-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/2736-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-7-0x0000000002984000-0x0000000002987000-memory.dmp

Filesize
12KB

Download
memory/2812-4-0x000007FEF64CE000-0x000007FEF64CF000-memory.dmp

Filesize
4KB

Download
memory/2812-8-0x000000000298B000-0x00000000029F2000-memory.dmp

Filesize
412KB

Download
memory/2812-9-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2812-6-0x0000000000670000-0x0000000000678000-memory.dmp

Filesize
32KB

Download
memory/2812-5-0x000000001B7B0000-0x000000001BA92000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads