formbook | bb1c83a53e19ede167ba43ec8a4ddcf73fc602eb15c318ec798af1624cd4c808

General

Target

Swift.04202021.exe
Size

594KB
MD5

cb045e8eaa8c74a5b79da54d9cb038ea
SHA1

d291b57e8a814e02111b0146687dfb09263ab73c
SHA256

47031aee7dc67644c841246a50bacd54a31d56603c1305d9966fb56c3b3cb448
SHA512

b07ab3643ab4b77829cb89b2c45e0227b018d83050905b7c85bf939f7d99e6e324df3c6aac0700a9622f290ed03d57eb5c864d7778d4ef86537dea443ba49af5

Score

10^/10

formbook persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.joomlas123.info/3nop/

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/316-66-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/316-68-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral1/memory/432-75-0x0000000000080000-0x00000000000AD000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TT_TKN7HO8 = "C:\\Program Files (x86)\\Mnnuxv\\useryz7l.exe"	NETSTAT.EXE

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exeNETSTAT.EXE

description	pid	process	target process
PID 316 set thread context of 1204	316	logagent.exe	Explorer.EXE
PID 432 set thread context of 1204	432	NETSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

NETSTAT.EXE

description ioc process

File opened for modification C:\Program Files (x86)\Mnnuxv\useryz7l.exe NETSTAT.EXE
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

432 NETSTAT.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Mnnuxv\useryz7l.exe	NETSTAT.EXE

pid	process
432	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

logagent.exeNETSTAT.EXE

pid	process
316	logagent.exe
316	logagent.exe
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE
432	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

logagent.exeNETSTAT.EXE

pid process

316 logagent.exe
316 logagent.exe
316 logagent.exe
432 NETSTAT.EXE
432 NETSTAT.EXE
432 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 316 logagent.exe
Token: SeDebugPrivilege 432 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	316	logagent.exe
Token: SeDebugPrivilege	432	NETSTAT.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Swift.04202021.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1028 wrote to memory of 316	1028	Swift.04202021.exe	logagent.exe
PID 1204 wrote to memory of 432	1204	Explorer.EXE	NETSTAT.EXE
PID 1204 wrote to memory of 432	1204	Explorer.EXE	NETSTAT.EXE
PID 1204 wrote to memory of 432	1204	Explorer.EXE	NETSTAT.EXE
PID 1204 wrote to memory of 432	1204	Explorer.EXE	NETSTAT.EXE
PID 432 wrote to memory of 752	432	NETSTAT.EXE	cmd.exe
PID 432 wrote to memory of 752	432	NETSTAT.EXE	cmd.exe
PID 432 wrote to memory of 752	432	NETSTAT.EXE	cmd.exe
PID 432 wrote to memory of 752	432	NETSTAT.EXE	cmd.exe
PID 432 wrote to memory of 304	432	NETSTAT.EXE	Firefox.exe
PID 432 wrote to memory of 304	432	NETSTAT.EXE	Firefox.exe
PID 432 wrote to memory of 304	432	NETSTAT.EXE	Firefox.exe
PID 432 wrote to memory of 304	432	NETSTAT.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:1204

C:\Users\Admin\AppData\Local\Temp\Swift.04202021.exe
"C:\Users\Admin\AppData\Local\Temp\Swift.04202021.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:316

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:752

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/316-68-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/316-70-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/316-69-0x00000000021D0000-0x00000000024D3000-memory.dmp

Filesize
3.0MB

Download
memory/316-66-0x0000000000000000-mapping.dmp

Download
memory/316-67-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/432-75-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/432-72-0x0000000000000000-mapping.dmp

Download
memory/432-74-0x0000000000F30000-0x0000000000F39000-memory.dmp

Filesize
36KB

Download
memory/432-76-0x0000000002340000-0x0000000002643000-memory.dmp

Filesize
3.0MB

Download
memory/432-77-0x00000000006D0000-0x0000000000763000-memory.dmp

Filesize
588KB

Download
memory/752-73-0x0000000000000000-mapping.dmp

Download
memory/1028-65-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1028-62-0x0000000000310000-0x000000000032A000-memory.dmp

Filesize
104KB

Download
memory/1028-60-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1204-71-0x0000000007F40000-0x00000000080D8000-memory.dmp

Filesize
1.6MB

Download
memory/1204-78-0x0000000004A30000-0x0000000004AD2000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads