formbook | 267c00aebd4e485e7ecb00f9708c1ae7b8d2a7bef84ba980d0783abe3fed4b6f

Analysis

max time kernel
172s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 14:25

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General

Target

fffggdd.exe
Size

782KB
MD5

f20f55180ec2d3663e57a59c12b90888
SHA1

f3b202975017b328605c703676d852d4248883b5
SHA256

267c00aebd4e485e7ecb00f9708c1ae7b8d2a7bef84ba980d0783abe3fed4b6f
SHA512

c1844a38aee0e3491f46f25b3acc28cd0999c11032ebed26b9c54c882a5154bd4387ded1c0ece8b404b739ca1591ebdc6d6531281bcb77b4c7045928b0d70c43
SSDEEP

12288:9mHYsrAQMj7JP2cAmYOKe2ncjOQZgRDFHNFap4nruadYaeLw2Y:s4ZljB2tOUAOQZgZ1Hap4nya6RxY

Score

10^/10

formbook modiloader t3qw persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

t3qw

Decoy

cmv2ztfryZrE+3A/E6XVJY/zH13snw==

znM2r24wvyjMBxCX

RH+7M2Ut6PYms2mB6ho=

ZlPRueq+YTIhbwootBU3h8T3H13snw==

cVz99xUsBqvFN6B45U9nio0=

BXU3DIrcdhs2gNyk+lCCIoY=

uzBaz3kYIIMfK6V0Mr9FnhdNPg==

8rOZ/v+7fprLI6NzR+6HJl7EH13snw==

Pr2Wev5P6jlqWCiehQ==

dbzaPc5eWb5zVCPsyrU/

IeLgUQI37HLkFgKO

4xt3Y4yVega6l2LuLk5aovIhhLU=

2QdkbxFB8tkDMkQEyqg1

X1OV8wH0+lwCBwvIciO7Ug==

lYIX+/YAFhbMBxCX

DoxOV/qIixyT+HME6yyvTw==

GAuVkyRmIgwqdeGgIVU3iY8=

VMPRWwSKoDLoqJJuQ3B8kZI=

SAy2t2O1YK0dvad741U3iY8=

OOLZqb+rGSobYw==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2680-132-0x00000000023D0000-0x00000000023FB000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fffggdd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zphlklkm = "C:\\Users\\Public\\Libraries\\mklklhpZ.url"	fffggdd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

colorcpl.exe

description	pid	process	target process
PID 4856 set thread context of 1068	4856	colorcpl.exe	Explorer.EXE
PID 4856 set thread context of 1068	4856	colorcpl.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

fffggdd.execolorcpl.exe

pid	process
2680	fffggdd.exe
2680	fffggdd.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe
4856	colorcpl.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

colorcpl.exe

pid process

4856 colorcpl.exe
4856 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

colorcpl.exe

description pid process

Token: SeDebugPrivilege 4856 colorcpl.exe

pid	process
4856	colorcpl.exe
4856	colorcpl.exe

description	pid	process
Token: SeDebugPrivilege	4856	colorcpl.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fffggdd.exe

description	pid	process	target process
PID 2680 wrote to memory of 4856	2680	fffggdd.exe	colorcpl.exe
PID 2680 wrote to memory of 4856	2680	fffggdd.exe	colorcpl.exe
PID 2680 wrote to memory of 4856	2680	fffggdd.exe	colorcpl.exe
PID 2680 wrote to memory of 4856	2680	fffggdd.exe	colorcpl.exe
PID 2680 wrote to memory of 4856	2680	fffggdd.exe	colorcpl.exe
PID 2680 wrote to memory of 4856	2680	fffggdd.exe	colorcpl.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1068

C:\Users\Admin\AppData\Local\Temp\fffggdd.exe
"C:\Users\Admin\AppData\Local\Temp\fffggdd.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2680

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4856

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/1068-143-0x0000000008030000-0x00000000081DA000-memory.dmp

Filesize
1.7MB

Download
memory/2680-132-0x00000000023D0000-0x00000000023FB000-memory.dmp

Filesize
172KB

Download
memory/2680-135-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/2680-136-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4856-134-0x0000000000000000-mapping.dmp

Download
memory/4856-138-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4856-139-0x0000000010411000-0x000000001043F000-memory.dmp

Filesize
184KB

Download
memory/4856-140-0x0000000003460000-0x00000000037AA000-memory.dmp

Filesize
3.3MB

Download
memory/4856-142-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/4856-144-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4856-145-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download