formbook | 623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0

General

Target

e045a1c03a7c10a04018920e7a5b656c.exe
Size

898KB
MD5

e045a1c03a7c10a04018920e7a5b656c
SHA1

2c960252095bce6b2de024b9e1a7114d5ca8de55
SHA256

623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0
SHA512

85e19f67e0f49389334815cc865dc216fd19729bc18f4f00c05ba75469ddbc9bf5191db284605ccf03f2f1806948196dc7323b484effc4791e28d2c9865a9fed

Score

10^/10

formbook evasion rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.thesiromiel.com/kgw/

Decoy

valentinakasu.com

soyelmatador.com

collaborativeprosperity.com

power8brokers.com

nexus-ink.com

manpasandmeatmarket.com

the-ethical-forums.today

maryannpark.com

bikininbodymommy.com

pxwuo.com

bigbangmerch.com

okaysinger.com

shopcarpe.com

rainbowhillsswimclub.com

crifinmarket.com

ebl-play.net

forceandsonsequipment.com

viagraytqwi.com

latashashop.com

suffocatinglymundanepodcast.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2116-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2116-14-0x000000000041EB70-mapping.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e045a1c03a7c10a04018920e7a5b656c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e045a1c03a7c10a04018920e7a5b656c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e045a1c03a7c10a04018920e7a5b656c.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

e045a1c03a7c10a04018920e7a5b656c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	e045a1c03a7c10a04018920e7a5b656c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	e045a1c03a7c10a04018920e7a5b656c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e045a1c03a7c10a04018920e7a5b656c.exe

description pid process target process

PID 4076 set thread context of 2116 4076 e045a1c03a7c10a04018920e7a5b656c.exe e045a1c03a7c10a04018920e7a5b656c.exe

description	pid	process	target process
PID 4076 set thread context of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

e045a1c03a7c10a04018920e7a5b656c.exee045a1c03a7c10a04018920e7a5b656c.exe

pid	process
4076	e045a1c03a7c10a04018920e7a5b656c.exe
4076	e045a1c03a7c10a04018920e7a5b656c.exe
4076	e045a1c03a7c10a04018920e7a5b656c.exe
2116	e045a1c03a7c10a04018920e7a5b656c.exe
2116	e045a1c03a7c10a04018920e7a5b656c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e045a1c03a7c10a04018920e7a5b656c.exe

description pid process

Token: SeDebugPrivilege 4076 e045a1c03a7c10a04018920e7a5b656c.exe

description	pid	process
Token: SeDebugPrivilege	4076	e045a1c03a7c10a04018920e7a5b656c.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e045a1c03a7c10a04018920e7a5b656c.exe

description	pid	process	target process
PID 4076 wrote to memory of 728	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 728	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 728	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe
PID 4076 wrote to memory of 2116	4076	e045a1c03a7c10a04018920e7a5b656c.exe	e045a1c03a7c10a04018920e7a5b656c.exe

C:\Users\Admin\AppData\Local\Temp\e045a1c03a7c10a04018920e7a5b656c.exe
"C:\Users\Admin\AppData\Local\Temp\e045a1c03a7c10a04018920e7a5b656c.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076

C:\Users\Admin\AppData\Local\Temp\e045a1c03a7c10a04018920e7a5b656c.exe
"C:\Users\Admin\AppData\Local\Temp\e045a1c03a7c10a04018920e7a5b656c.exe"
2⤵
PID:728

C:\Users\Admin\AppData\Local\Temp\e045a1c03a7c10a04018920e7a5b656c.exe
"C:\Users\Admin\AppData\Local\Temp\e045a1c03a7c10a04018920e7a5b656c.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2116-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2116-14-0x000000000041EB70-mapping.dmp

Download
memory/4076-2-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/4076-3-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4076-5-0x0000000005330000-0x0000000005331000-memory.dmp

Filesize
4KB

Download
memory/4076-6-0x00000000058D0000-0x00000000058D1000-memory.dmp

Filesize
4KB

Download
memory/4076-7-0x0000000005470000-0x0000000005471000-memory.dmp

Filesize
4KB

Download
memory/4076-8-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/4076-9-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/4076-10-0x0000000005440000-0x0000000005452000-memory.dmp

Filesize
72KB

Download
memory/4076-11-0x0000000006090000-0x00000000060F6000-memory.dmp

Filesize
408KB

Download
memory/4076-12-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads