formbook | aaf433c2a97b43083875cd68addd1916972f8f9d4cbf1f69d8e835c593714f83

General

Target

New order.exe
Size

281KB
MD5

44d67d39cf033d2b1c5f669e181456dd
SHA1

93fa54a9399eafe1faf0810fc6f7d4c1daa77ee7
SHA256

7292b78a638622778908fde4d5ff1f66b4d2ed905a0f36622b28da645e0f0faf
SHA512

d549df5a78f54f51ac601263a2b61c69ef328a6cb2619244b1428b0ec46895722c7c89f8541820d03e943a0a6d39b89552c830ea156b08413ad4192c4d995d21

Score

10^/10

formbook 8utr persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

8utr

Decoy

krizeye.com

grupojoga.com

dgptj.com

aaclewyo.win

alyssamckinneyphoto.com

thedyeworksbv.com

getrichclub.com

founderscard.net

mcclainpick.com

vault.estate

amriglubal.com

erachain.ltd

elanyawine.com

whitedogblackcatgb.com

pnroiz.men

worlviewtravel.com

foundbyfind.com

hurst-mail.net

cottonpowerbd.com

j-lavainechampagne.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1424-55-0x00000000004E0000-0x000000000050E000-memory.dmp	formbook
behavioral1/memory/1424-56-0x00000000004CE000-0x0000000000515000-memory.dmp	formbook
behavioral1/memory/1424-60-0x00000000004CE000-0x0000000000515000-memory.dmp	formbook
behavioral1/memory/952-66-0x0000000000080000-0x00000000000AD000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1500 cmd.exe

pid	process
1500	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	chkdsk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JPALGHXX0L = "C:\\Program Files (x86)\\Gk6g4n4\\configkpxp3zix.exe"	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New order.exechkdsk.exe

description	pid	process	target process
PID 1424 set thread context of 1312	1424	New order.exe	Explorer.EXE
PID 1424 set thread context of 1312	1424	New order.exe	Explorer.EXE
PID 952 set thread context of 1312	952	chkdsk.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

chkdsk.exe

description ioc process

File opened for modification C:\Program Files (x86)\Gk6g4n4\configkpxp3zix.exe chkdsk.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Gk6g4n4\configkpxp3zix.exe	chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

New order.exechkdsk.exe

pid	process
1424	New order.exe
1424	New order.exe
1424	New order.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

New order.exechkdsk.exe

pid process

1424 New order.exe
1424 New order.exe
1424 New order.exe
1424 New order.exe
952 chkdsk.exe
952 chkdsk.exe
952 chkdsk.exe
952 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New order.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1424 New order.exe
Token: SeDebugPrivilege 952 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE
1312 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE
1312 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1424	New order.exe
Token: SeDebugPrivilege	952	chkdsk.exe

pid	process
1312	Explorer.EXE
1312	Explorer.EXE

pid	process
1312	Explorer.EXE
1312	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Explorer.EXENew order.exechkdsk.exe

description	pid	process	target process
PID 1312 wrote to memory of 1056	1312	Explorer.EXE	colorcpl.exe
PID 1312 wrote to memory of 1056	1312	Explorer.EXE	colorcpl.exe
PID 1312 wrote to memory of 1056	1312	Explorer.EXE	colorcpl.exe
PID 1312 wrote to memory of 1056	1312	Explorer.EXE	colorcpl.exe
PID 1424 wrote to memory of 952	1424	New order.exe	chkdsk.exe
PID 1424 wrote to memory of 952	1424	New order.exe	chkdsk.exe
PID 1424 wrote to memory of 952	1424	New order.exe	chkdsk.exe
PID 1424 wrote to memory of 952	1424	New order.exe	chkdsk.exe
PID 952 wrote to memory of 1500	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 1500	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 1500	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 1500	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 932	952	chkdsk.exe	Firefox.exe
PID 952 wrote to memory of 932	952	chkdsk.exe	Firefox.exe
PID 952 wrote to memory of 932	952	chkdsk.exe	Firefox.exe
PID 952 wrote to memory of 932	952	chkdsk.exe	Firefox.exe
PID 952 wrote to memory of 932	952	chkdsk.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Users\Admin\AppData\Local\Temp\New order.exe
  "C:\Users\Admin\AppData\Local\Temp\New order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\SysWOW64\chkdsk.exe
    "C:\Windows\SysWOW64\chkdsk.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Drops file in Program Files directory
    - Enumerates system info in registry
    - Modifies Internet Explorer settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:952
  - - C:\Windows\SysWOW64\cmd.exe
      /c del "C:\Users\Admin\AppData\Local\Temp\New order.exe"
      4⤵
      Deletes itself
      PID:1500
  - - C:\Program Files\Mozilla Firefox\Firefox.exe
      "C:\Program Files\Mozilla Firefox\Firefox.exe"
      4⤵
      PID:932
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.exe"
  2⤵
  PID:1056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\29NQ7RT5\29Nlogim.jpeg

Filesize
57KB

MD5
b04a47564f4f9deb7204be0138da7328

SHA1
84fb66eba7cdab21fcbce0e36d5d2ef0eb28a2e7

SHA256
62baa34fca67b928b95862dcd700ef6911a75c7b716cb5fd5ccf9dfcbda35b5e

SHA512
aebf8bc00b41fe73d9a7cae81a6dd5e6c936addbb551e3a1e98ae6fb94a4e6269d0a24acca41319f0e9207323091c0c7a2d11c2b61a3a3b336ae55569d0bbceb

Download Submit
C:\Users\Admin\AppData\Roaming\29NQ7RT5\29Nlogrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\29NQ7RT5\29Nlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\29NQ7RT5\29Nlogrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/952-65-0x0000000000260000-0x0000000000267000-memory.dmp

Filesize
28KB

Download
memory/952-70-0x0000000075951000-0x0000000075953000-memory.dmp

Filesize
8KB

Download
memory/952-68-0x0000000001E10000-0x0000000001EA3000-memory.dmp

Filesize
588KB

Download
memory/952-67-0x0000000002060000-0x0000000002363000-memory.dmp

Filesize
3.0MB

Download
memory/952-66-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/952-63-0x0000000000000000-mapping.dmp

Download
memory/1312-69-0x00000000044A0000-0x00000000045AD000-memory.dmp

Filesize
1.1MB

Download
memory/1312-62-0x0000000007810000-0x00000000079A3000-memory.dmp

Filesize
1.6MB

Download
memory/1312-59-0x0000000006210000-0x0000000006384000-memory.dmp

Filesize
1.5MB

Download
memory/1424-61-0x0000000000490000-0x00000000004A4000-memory.dmp

Filesize
80KB

Download
memory/1424-60-0x00000000004CE000-0x0000000000515000-memory.dmp

Filesize
284KB

Download
memory/1424-54-0x00000000004CE000-0x0000000000515000-memory.dmp

Filesize
284KB

Download
memory/1424-58-0x00000000002F0000-0x0000000000304000-memory.dmp

Filesize
80KB

Download
memory/1424-57-0x0000000000BA0000-0x0000000000EA3000-memory.dmp

Filesize
3.0MB

Download
memory/1424-56-0x00000000004CE000-0x0000000000515000-memory.dmp

Filesize
284KB

Download
memory/1424-55-0x00000000004E0000-0x000000000050E000-memory.dmp

Filesize
184KB

Download
memory/1500-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads