formbook | 930ce81bea6819c32ad02f82e331f62c1339dcc0df585dc5b7c9dc06165eb1e0

General

Target

yeni sipari? sorgulama.exe
Size

813KB
MD5

645876569da3612ca1ccef31d94c348d
SHA1

6af515a9cd19b313223e52d0ab20b4405b184820
SHA256

6d176caf6c21bdc47aa0ee2e6e42f37d2f4c4a810af40dd7343da25cfd306bd5
SHA512

d002461b4c0c87cfffdecde830b3bd1b319fff7866a0b15d07ed6e342f60f657f396a15a38e01c70216b9ea20f02f39797449f97ac3a80ed4421d091074b6b84

Score

10^/10

formbook kvsz persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

okashyns.com

sbsgamedaejeon-two.com

drb77.com

top5dating.com

websprings.online

voizers.com

zenith.site

lahistoriade.com

qv85.com

armandonieto.com

priestvedic.com

jessandjeff.net

magic-desktop.com

jitaji.com

ldmeili.com

yuwanqingmy.com

buzhouorg.com

chaiseloungereviews.com

m2g8way.com

freespin-support.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/916-64-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/916-65-0x000000000041ECA0-mapping.dmp	formbook
behavioral1/memory/916-67-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/588-75-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MPXXNRD8QZ = "C:\\Program Files (x86)\\Irfih0\\systray_hot8.exe"	rundll32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

yeni sipari_ sorgulama.exeRegSvcs.exerundll32.exe

description	pid	process	target process
PID 1908 set thread context of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 916 set thread context of 1280	916	RegSvcs.exe	Explorer.EXE
PID 588 set thread context of 1280	588	rundll32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Irfih0\systray_hot8.exe rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2012 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Irfih0\systray_hot8.exe	rundll32.exe

pid	process
2012	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

yeni sipari_ sorgulama.exeRegSvcs.exerundll32.exe

pid	process
1908	yeni sipari_ sorgulama.exe
1908	yeni sipari_ sorgulama.exe
1908	yeni sipari_ sorgulama.exe
1908	yeni sipari_ sorgulama.exe
1908	yeni sipari_ sorgulama.exe
916	RegSvcs.exe
916	RegSvcs.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exerundll32.exe

pid process

916 RegSvcs.exe
916 RegSvcs.exe
916 RegSvcs.exe
588 rundll32.exe
588 rundll32.exe
588 rundll32.exe
588 rundll32.exe

pid	process
916	RegSvcs.exe
916	RegSvcs.exe
916	RegSvcs.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

yeni sipari_ sorgulama.exeRegSvcs.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1908	yeni sipari_ sorgulama.exe
Token: SeDebugPrivilege	916	RegSvcs.exe
Token: SeDebugPrivilege	588	rundll32.exe
Token: SeShutdownPrivilege	1280	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1280 Explorer.EXE
1280 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1280 Explorer.EXE
1280 Explorer.EXE

pid	process
1280	Explorer.EXE
1280	Explorer.EXE

pid	process
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

yeni sipari_ sorgulama.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1908 wrote to memory of 2012	1908	yeni sipari_ sorgulama.exe	schtasks.exe
PID 1908 wrote to memory of 2012	1908	yeni sipari_ sorgulama.exe	schtasks.exe
PID 1908 wrote to memory of 2012	1908	yeni sipari_ sorgulama.exe	schtasks.exe
PID 1908 wrote to memory of 2012	1908	yeni sipari_ sorgulama.exe	schtasks.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1908 wrote to memory of 916	1908	yeni sipari_ sorgulama.exe	RegSvcs.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 1280 wrote to memory of 588	1280	Explorer.EXE	rundll32.exe
PID 588 wrote to memory of 1920	588	rundll32.exe	cmd.exe
PID 588 wrote to memory of 1920	588	rundll32.exe	cmd.exe
PID 588 wrote to memory of 1920	588	rundll32.exe	cmd.exe
PID 588 wrote to memory of 1920	588	rundll32.exe	cmd.exe
PID 588 wrote to memory of 1628	588	rundll32.exe	Firefox.exe
PID 588 wrote to memory of 1628	588	rundll32.exe	Firefox.exe
PID 588 wrote to memory of 1628	588	rundll32.exe	Firefox.exe
PID 588 wrote to memory of 1628	588	rundll32.exe	Firefox.exe
PID 588 wrote to memory of 1628	588	rundll32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Local\Temp\yeni sipari_ sorgulama.exe
"C:\Users\Admin\AppData\Local\Temp\yeni sipari_ sorgulama.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RNNIOe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp732.tmp"
3⤵
- Creates scheduled task(s)
PID:2012

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:916

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1920

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp732.tmp
Filesize
1KB

MD5
7d9b2f1f750ce5a64a3e3a1dbacd8db7

SHA1
09361cf2738f2343e4694fdd72def151418ff51a

SHA256
4fdd04ba382087eb2d323648065705a1f807125ee243d7a08e54d623aac0d3df

SHA512
d22e80e1aca51f93693c9802001d247cbabcd4f3c408d0bf5578ba7e63cbb1e3bfd907c02d82308b77cb1cfc4a67f4ad07851ffc86edd47bb8bb68216408be83

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logim.jpeg
Filesize
46KB

MD5
2c9471240df9cc713c0d6f27c914508a

SHA1
614b3c207e1058e22b999436c043a74603f265b3

SHA256
1dd176076424bbcdc423ba18daded378efd2793f4c39c3e718616699917b7c40

SHA512
e42b46596ea9908ed941fe2d08c77650a297040a7dc3e8ed3fe891d9d0bcd13993ff6199ab900156e15a55ff7e71510854e575e656675a83fd6956cbe4b8c620

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/588-75-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/588-74-0x0000000000170000-0x000000000017E000-memory.dmp

Filesize
56KB

Download
memory/588-77-0x0000000001E50000-0x0000000001EE3000-memory.dmp

Filesize
588KB

Download
memory/588-71-0x0000000000000000-mapping.dmp

Download
memory/588-76-0x00000000020C0000-0x00000000023C3000-memory.dmp

Filesize
3.0MB

Download
memory/916-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/916-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/916-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/916-65-0x000000000041ECA0-mapping.dmp

Download
memory/916-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/916-68-0x00000000009F0000-0x0000000000CF3000-memory.dmp

Filesize
3.0MB

Download
memory/916-69-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/1280-78-0x0000000006920000-0x0000000006A35000-memory.dmp

Filesize
1.1MB

Download
memory/1280-70-0x0000000004DA0000-0x0000000004EB5000-memory.dmp

Filesize
1.1MB

Download
memory/1908-54-0x0000000000F50000-0x0000000001022000-memory.dmp

Filesize
840KB

Download
memory/1908-58-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1908-57-0x0000000000800000-0x0000000000834000-memory.dmp

Filesize
208KB

Download
memory/1908-56-0x0000000000C40000-0x0000000000C98000-memory.dmp

Filesize
352KB

Download
memory/1908-55-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/1920-73-0x0000000000000000-mapping.dmp

Download
memory/2012-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads