formbook | 69afd5a7f3e675cd53cbac316fba01e77db7139363e1ee916b5a740b3dea3ae9

General

Target

PO #78574764 June 4-2020.exe
Size

422KB
MD5

130322a1fd284d7d585221381038c584
SHA1

620933b28bb9de45a0f72a415c0bfc85efcbb442
SHA256

2bd1995c8c2b3f35906807ce4697151cf801af339579cd7b86e467df6474dafa
SHA512

3eaacdf8edd846d27059a04217540f561f8e592b537ce57412b45b67f797b7b25f8f76b7158ada512567a6f642911aa425475da656c29d7524d0995684d466d5

Score

10^/10

formbook i0qi persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

i0qi

Decoy

mytakeawaybox.com

goutaihuo.com

kuzey.site

uppertenpiercings.amsterdam

honeygrandpa.com

jenniferabramslaw.com

ncarian.com

heavilymeditatedhouston.com

gsbjyzx.com

akisanblog.com

taoyuanreed.com

jasperrvservices.com

yabbanet.com

myhealthfuldiet.com

flipdigitalcoins.com

toes.photos

shoottillyoumiss.com

maserental.com

smarteacher.net

hamdimagdeco.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4144-133-0x0000000004C00000-0x00000000051A4000-memory.dmp	formbook
behavioral2/memory/4144-135-0x0000000004C00000-0x00000000051A4000-memory.dmp	formbook
behavioral2/memory/2252-140-0x00000000008B0000-0x00000000008DD000-memory.dmp	formbook

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 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\GPX8JLBPL8 = "C:\\Program Files (x86)\\D9rxhkn\\i4nhgx9hktt0c88p.exe"	colorcpl.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:

PO #78574764 June 4-2020.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PO #78574764 June 4-2020.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	PO #78574764 June 4-2020.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

PO #78574764 June 4-2020.execolorcpl.exe

description	pid	process	target process
PID 4144 set thread context of 3048	4144	PO #78574764 June 4-2020.exe	Explorer.EXE
PID 2252 set thread context of 3048	2252	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)\D9rxhkn\i4nhgx9hktt0c88p.exe colorcpl.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\D9rxhkn\i4nhgx9hktt0c88p.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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

PO #78574764 June 4-2020.execolorcpl.exe

pid	process
4144	PO #78574764 June 4-2020.exe
4144	PO #78574764 June 4-2020.exe
4144	PO #78574764 June 4-2020.exe
4144	PO #78574764 June 4-2020.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE

pid	process
3048	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

PO #78574764 June 4-2020.execolorcpl.exe

pid	process
4144	PO #78574764 June 4-2020.exe
4144	PO #78574764 June 4-2020.exe
4144	PO #78574764 June 4-2020.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe
2252	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

PO #78574764 June 4-2020.execolorcpl.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4144	PO #78574764 June 4-2020.exe
Token: SeDebugPrivilege	2252	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 12 IoCs

Processes:

Explorer.EXEcolorcpl.exe

description	pid	process	target process
PID 3048 wrote to memory of 2252	3048	Explorer.EXE	colorcpl.exe
PID 3048 wrote to memory of 2252	3048	Explorer.EXE	colorcpl.exe
PID 3048 wrote to memory of 2252	3048	Explorer.EXE	colorcpl.exe
PID 2252 wrote to memory of 3740	2252	colorcpl.exe	cmd.exe
PID 2252 wrote to memory of 3740	2252	colorcpl.exe	cmd.exe
PID 2252 wrote to memory of 3740	2252	colorcpl.exe	cmd.exe
PID 2252 wrote to memory of 5088	2252	colorcpl.exe	cmd.exe
PID 2252 wrote to memory of 5088	2252	colorcpl.exe	cmd.exe
PID 2252 wrote to memory of 5088	2252	colorcpl.exe	cmd.exe
PID 2252 wrote to memory of 2188	2252	colorcpl.exe	Firefox.exe
PID 2252 wrote to memory of 2188	2252	colorcpl.exe	Firefox.exe
PID 2252 wrote to memory of 2188	2252	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\PO #78574764 June 4-2020.exe
"C:\Users\Admin\AppData\Local\Temp\PO #78574764 June 4-2020.exe"
2⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4144

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2688

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:4636

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:4016

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:4256

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:4528

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:2252

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO #78574764 June 4-2020.exe"
3⤵
PID:3740

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:5088

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2188

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

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/2252-140-0x00000000008B0000-0x00000000008DD000-memory.dmp

Filesize
180KB

Download
memory/2252-142-0x0000000002660000-0x00000000026F3000-memory.dmp

Filesize
588KB

Download
memory/2252-139-0x00000000027B0000-0x0000000002AFA000-memory.dmp

Filesize
3.3MB

Download
memory/2252-138-0x0000000000810000-0x0000000000829000-memory.dmp

Filesize
100KB

Download
memory/2252-137-0x0000000000000000-mapping.dmp

Download
memory/3048-136-0x0000000008010000-0x0000000008167000-memory.dmp

Filesize
1.3MB

Download
memory/3048-143-0x00000000085D0000-0x0000000008712000-memory.dmp

Filesize
1.3MB

Download
memory/3740-141-0x0000000000000000-mapping.dmp

Download
memory/4144-135-0x0000000004C00000-0x00000000051A4000-memory.dmp

Filesize
5.6MB

Download
memory/4144-134-0x0000000005760000-0x0000000005AAA000-memory.dmp

Filesize
3.3MB

Download
memory/4144-131-0x0000000000160000-0x00000000001CE000-memory.dmp

Filesize
440KB

Download
memory/4144-133-0x0000000004C00000-0x00000000051A4000-memory.dmp

Filesize
5.6MB

Download
memory/4144-132-0x00000000051B0000-0x0000000005754000-memory.dmp

Filesize
5.6MB

Download
memory/5088-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads