formbook | 3e167fe206a19097cd08d00335fc45f98a75cdb4697b3c530773c8803d50d0f9

General

Target

yeni siparis listesi.exe
Size

807KB
MD5

3e232a71330987ba50cfe60a71736f88
SHA1

ffa48e71611017ca90753fd3a06e93a125e40d6e
SHA256

3e167fe206a19097cd08d00335fc45f98a75cdb4697b3c530773c8803d50d0f9
SHA512

1abad17e366201f70ab288cfee598f15782fad537ac5e98024e4c49b6c03da40086ee391c712707695485b79d0ed26703aa759d0680906fb07be4bdcd8235e98

Score

10^/10

formbook modiloader bc3s persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc3s

C2

http://www.topei-products.com/bc3s/

Decoy

anna-ng.com

mariangelamata.com

szqnbl.com

nesherguitars.com

mysekrit.com

againbeautyviensui.xyz

appf.life

bilalsolution.com

technoratii.com

11restoran.com

birthingly.com

crystalcarrillo.com

cohenasset.info

bunchofdesign.com

highstreetmag.com

talentkerning.com

outdoor-glassesadvice.com

aliceeety.com

habbuhot.info

pao91.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/432-57-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/432-59-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/1356-67-0x0000000000070000-0x000000000009E000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1669990088-476967504-438132596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\J0HXELEXOVE = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	cscript.exe

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 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

cscript.exe

description ioc process

Key created \Registry\User\S-1-5-21-1669990088-476967504-438132596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1669990088-476967504-438132596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ieinstal.execscript.exe

description	pid	process	target process
PID 432 set thread context of 1200	432	ieinstal.exe	Explorer.EXE
PID 432 set thread context of 1200	432	ieinstal.exe	Explorer.EXE
PID 1356 set thread context of 1200	1356	cscript.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1669990088-476967504-438132596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

ieinstal.execscript.exe

pid	process
432	ieinstal.exe
432	ieinstal.exe
432	ieinstal.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe
1356	cscript.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

ieinstal.execscript.exe

pid process

432 ieinstal.exe
432 ieinstal.exe
432 ieinstal.exe
432 ieinstal.exe
1356 cscript.exe
1356 cscript.exe
1356 cscript.exe
1356 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ieinstal.execscript.exe

description pid process

Token: SeDebugPrivilege 432 ieinstal.exe
Token: SeDebugPrivilege 1356 cscript.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	432	ieinstal.exe
Token: SeDebugPrivilege	1356	cscript.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

yeni siparis listesi.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1664 wrote to memory of 432	1664	yeni siparis listesi.exe	ieinstal.exe
PID 1200 wrote to memory of 1356	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1356	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1356	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1356	1200	Explorer.EXE	cscript.exe
PID 1356 wrote to memory of 1504	1356	cscript.exe	Firefox.exe
PID 1356 wrote to memory of 1504	1356	cscript.exe	Firefox.exe
PID 1356 wrote to memory of 1504	1356	cscript.exe	Firefox.exe
PID 1356 wrote to memory of 1504	1356	cscript.exe	Firefox.exe
PID 1356 wrote to memory of 1504	1356	cscript.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:1200

C:\Users\Admin\AppData\Local\Temp\yeni siparis listesi.exe
"C:\Users\Admin\AppData\Local\Temp\yeni siparis listesi.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1664

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:432

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1504

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\4L947SDR\4L9logim.jpeg
MD5
a58fe968c37f85fffb9d717d2d33e27a

SHA1
3d40ae88b1447219aa81bd10f4ab1ec425dde7bd

SHA256
a16a0acf0bd67071a75f743fd97f72c01edd5ebc1a74666b83ca9b2a8a7b84dd

SHA512
4ed45121249b0233cc711d3753baa5a94fbb11f5c206f3d3ae3f6c568eff952a3024f6bdfe62bdf7373e093a01d594b17b4c284e37f28ddbc50189c67cd2b8fa

Download Submit
C:\Users\Admin\AppData\Roaming\4L947SDR\4L9logrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\4L947SDR\4L9logri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\4L947SDR\4L9logrv.ini
MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/432-60-0x0000000002150000-0x0000000002453000-memory.dmp

Filesize
3.0MB

Download
memory/432-61-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/432-63-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/432-58-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/432-59-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/432-57-0x0000000000000000-mapping.dmp

Download
memory/1200-71-0x0000000007660000-0x00000000077AC000-memory.dmp

Filesize
1.3MB

Download
memory/1200-62-0x0000000006E30000-0x0000000006F32000-memory.dmp

Filesize
1.0MB

Download
memory/1200-64-0x0000000006F40000-0x00000000070DA000-memory.dmp

Filesize
1.6MB

Download
memory/1356-65-0x0000000000000000-mapping.dmp

Download
memory/1356-68-0x0000000002150000-0x0000000002453000-memory.dmp

Filesize
3.0MB

Download
memory/1356-70-0x00000000004C0000-0x0000000000553000-memory.dmp

Filesize
588KB

Download
memory/1356-67-0x0000000000070000-0x000000000009E000-memory.dmp

Filesize
184KB

Download
memory/1356-66-0x0000000000150000-0x0000000000172000-memory.dmp

Filesize
136KB

Download
memory/1504-72-0x0000000000000000-mapping.dmp

Download
memory/1504-73-0x000000013FA50000-0x000000013FAE3000-memory.dmp

Filesize
588KB

Download
memory/1504-74-0x0000000000060000-0x00000000000F8000-memory.dmp

Filesize
608KB

Download
memory/1664-52-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1664-56-0x0000000075231000-0x0000000075233000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads