formbook | 1ab3c31624f7aed4e2ec9feecee3cff24e8904709800508e13b6526369e02236

General

Target

PO506202100.exe
Size

742KB
MD5

7c1896eeb884021f4d74144ec78be2e8
SHA1

b4fb3b31f69fc5b048eeb43ea6f8fd97f1fb8f7a
SHA256

1ab3c31624f7aed4e2ec9feecee3cff24e8904709800508e13b6526369e02236
SHA512

e90782dc8b8cbfa8f6052080c6daeaffccede01d57bb944a4d52b9a0fae5fe53009ba0dd4b8c5932ee09c808db38fba27bd7bc6d570d55936b49c7259bc4d935

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
behavioral2/memory/2116-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/2116-121-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/4016-127-0x0000000000540000-0x000000000056D000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\P2UHZDSP3D = "C:\\Program Files (x86)\\Uwvg4b620\\6lfhzlkt7.exe"	colorcpl.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

secinit.execolorcpl.exe

description	pid	process	target process
PID 2116 set thread context of 3048	2116	secinit.exe	Explorer.EXE
PID 4016 set thread context of 3048	4016	colorcpl.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

colorcpl.exe

description ioc process

File opened for modification C:\Program Files (x86)\Uwvg4b620\6lfhzlkt7.exe colorcpl.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Uwvg4b620\6lfhzlkt7.exe	colorcpl.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

secinit.execolorcpl.exe

pid	process
2116	secinit.exe
2116	secinit.exe
2116	secinit.exe
2116	secinit.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe
4016	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

secinit.execolorcpl.exe

pid process

2116 secinit.exe
2116 secinit.exe
2116 secinit.exe
4016 colorcpl.exe
4016 colorcpl.exe
4016 colorcpl.exe
4016 colorcpl.exe

pid	process
3048	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

secinit.exeExplorer.EXEcolorcpl.exe

description	pid	process
Token: SeDebugPrivilege	2116	secinit.exe
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeDebugPrivilege	4016	colorcpl.exe
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO506202100.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 2204 wrote to memory of 2116	2204	PO506202100.exe	secinit.exe
PID 2204 wrote to memory of 2116	2204	PO506202100.exe	secinit.exe
PID 2204 wrote to memory of 2116	2204	PO506202100.exe	secinit.exe
PID 2204 wrote to memory of 2116	2204	PO506202100.exe	secinit.exe
PID 2204 wrote to memory of 2116	2204	PO506202100.exe	secinit.exe
PID 2204 wrote to memory of 2116	2204	PO506202100.exe	secinit.exe
PID 3048 wrote to memory of 4016	3048	Explorer.EXE	colorcpl.exe
PID 3048 wrote to memory of 4016	3048	Explorer.EXE	colorcpl.exe
PID 3048 wrote to memory of 4016	3048	Explorer.EXE	colorcpl.exe
PID 4016 wrote to memory of 640	4016	colorcpl.exe	cmd.exe
PID 4016 wrote to memory of 640	4016	colorcpl.exe	cmd.exe
PID 4016 wrote to memory of 640	4016	colorcpl.exe	cmd.exe
PID 4016 wrote to memory of 812	4016	colorcpl.exe	Firefox.exe
PID 4016 wrote to memory of 812	4016	colorcpl.exe	Firefox.exe
PID 4016 wrote to memory of 812	4016	colorcpl.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048

C:\Users\Admin\AppData\Local\Temp\PO506202100.exe
"C:\Users\Admin\AppData\Local\Temp\PO506202100.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\secinit.exe
C:\Windows\System32\secinit.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2116

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.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:4016

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\secinit.exe"
3⤵
PID:640

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/640-128-0x0000000000000000-mapping.dmp

Download
memory/812-134-0x00000174B2B00000-0x00000174B2BE2000-memory.dmp

Filesize
904KB

Download
memory/812-132-0x0000000000000000-mapping.dmp

Download
memory/812-133-0x00007FF6B5060000-0x00007FF6B50F3000-memory.dmp

Filesize
588KB

Download
memory/2116-121-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/2116-120-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/2116-123-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

Filesize
80KB

Download
memory/2116-122-0x00000000049B0000-0x0000000004CD0000-memory.dmp

Filesize
3.1MB

Download
memory/2116-119-0x0000000000000000-mapping.dmp

Download
memory/2204-114-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2204-117-0x00000000006A0000-0x00000000006BA000-memory.dmp

Filesize
104KB

Download
memory/3048-124-0x0000000006860000-0x0000000006993000-memory.dmp

Filesize
1.2MB

Download
memory/3048-131-0x00000000070D0000-0x000000000723F000-memory.dmp

Filesize
1.4MB

Download
memory/4016-125-0x0000000000000000-mapping.dmp

Download
memory/4016-130-0x0000000001060000-0x00000000010F3000-memory.dmp

Filesize
588KB

Download
memory/4016-129-0x0000000004790000-0x0000000004AB0000-memory.dmp

Filesize
3.1MB

Download
memory/4016-127-0x0000000000540000-0x000000000056D000-memory.dmp

Filesize
180KB

Download
memory/4016-126-0x0000000001370000-0x0000000001389000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads