formbook | a9a86b379236a699c4a6da12df755787d31a8c318e0fb79bfd240896a61f2a51

Analysis

max time kernel
4294180s
max time network
134s
platform
windows7_x64
resource
win7-20220310-en
submitted
23-03-2022 14:49

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General

Target

0972872103.PDF.exe
Size

867KB
MD5

53a5183ce6ad22cf9c553293dec09e41
SHA1

6fc58dd1024cc17680bf3c8e343358c124cf79fd
SHA256

a9a86b379236a699c4a6da12df755787d31a8c318e0fb79bfd240896a61f2a51
SHA512

6b6dc7849efb2abd6acc6443636b71995eb24bc48a669f52350cb99a6762d416bca42c42cd4924b9c4ed1abd4a2a81163da053f2fe663bca878bb5402e95c0ce

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1940-62-0x0000000000000000-mapping.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0972872103.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run\Sfeaeur = "C:\\Users\\Public\\rueaefS.url"	0972872103.PDF.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1312 1940 WerFault.exe logagent.exe

pid	pid_target	process	target process
1312	1940	WerFault.exe	logagent.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

0972872103.PDF.exelogagent.exe

description	pid	process	target process
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 340 wrote to memory of 1940	340	0972872103.PDF.exe	logagent.exe
PID 1940 wrote to memory of 1312	1940	logagent.exe	WerFault.exe
PID 1940 wrote to memory of 1312	1940	logagent.exe	WerFault.exe
PID 1940 wrote to memory of 1312	1940	logagent.exe	WerFault.exe
PID 1940 wrote to memory of 1312	1940	logagent.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\0972872103.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\0972872103.PDF.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:340

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 140
3⤵
- Program crash
PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/340-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

Filesize
8KB

Download
memory/1312-63-0x0000000000000000-mapping.dmp

Download
memory/1940-58-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1940-56-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1940-62-0x0000000000000000-mapping.dmp

Download