formbook | 5281533c78892f2b571668ef9c770ce9c04ee249397040db9b5975ed47601474

General

Target

novi nalog je u prilogu.exe
Size

831KB
MD5

fe3d05f5903abce1faaf89b0afd3744e
SHA1

3b4da5ba14989a18614a91a844c67a6a8d8b6f84
SHA256

5281533c78892f2b571668ef9c770ce9c04ee249397040db9b5975ed47601474
SHA512

164d235c4ebfb76ff010e461f4a09b99897e9df54ded6ae0364608835d59422a808f038529dfe829ee9bd13a2b73517c76cc65f1a1ac77142f79686871dcdec0

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/2820-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/2820-121-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/2252-130-0x0000000003060000-0x000000000308D000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

msiexec.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

novi nalog je u prilogu.exe

description	ioc	process
File opened (read-only)	\??\X:	novi nalog je u prilogu.exe
File opened (read-only)	\??\Z:	novi nalog je u prilogu.exe
File opened (read-only)	\??\E:	novi nalog je u prilogu.exe
File opened (read-only)	\??\G:	novi nalog je u prilogu.exe
File opened (read-only)	\??\L:	novi nalog je u prilogu.exe
File opened (read-only)	\??\R:	novi nalog je u prilogu.exe
File opened (read-only)	\??\S:	novi nalog je u prilogu.exe
File opened (read-only)	\??\U:	novi nalog je u prilogu.exe
File opened (read-only)	\??\A:	novi nalog je u prilogu.exe
File opened (read-only)	\??\H:	novi nalog je u prilogu.exe
File opened (read-only)	\??\M:	novi nalog je u prilogu.exe
File opened (read-only)	\??\Q:	novi nalog je u prilogu.exe
File opened (read-only)	\??\T:	novi nalog je u prilogu.exe
File opened (read-only)	\??\W:	novi nalog je u prilogu.exe
File opened (read-only)	\??\V:	novi nalog je u prilogu.exe
File opened (read-only)	\??\B:	novi nalog je u prilogu.exe
File opened (read-only)	\??\F:	novi nalog je u prilogu.exe
File opened (read-only)	\??\I:	novi nalog je u prilogu.exe
File opened (read-only)	\??\J:	novi nalog je u prilogu.exe
File opened (read-only)	\??\O:	novi nalog je u prilogu.exe
File opened (read-only)	\??\P:	novi nalog je u prilogu.exe
File opened (read-only)	\??\K:	novi nalog je u prilogu.exe
File opened (read-only)	\??\N:	novi nalog je u prilogu.exe
File opened (read-only)	\??\Y:	novi nalog je u prilogu.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exemsiexec.exe

description	pid	process	target process
PID 2820 set thread context of 2536	2820	mobsync.exe	Explorer.EXE
PID 2252 set thread context of 2536	2252	msiexec.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\Program Files (x86)\Qnjtp4nj\u4nh80ppxd.exe msiexec.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Qnjtp4nj\u4nh80ppxd.exe	msiexec.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

mobsync.exemsiexec.exe

pid	process
2820	mobsync.exe
2820	mobsync.exe
2820	mobsync.exe
2820	mobsync.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe
2252	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2536 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.exemsiexec.exe

pid process

2820 mobsync.exe
2820 mobsync.exe
2820 mobsync.exe
2252 msiexec.exe
2252 msiexec.exe

pid	process
2536	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

mobsync.exeExplorer.EXEmsiexec.exe

description	pid	process
Token: SeDebugPrivilege	2820	mobsync.exe
Token: SeShutdownPrivilege	2536	Explorer.EXE
Token: SeCreatePagefilePrivilege	2536	Explorer.EXE
Token: SeDebugPrivilege	2252	msiexec.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2536 Explorer.EXE

pid	process
2536	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

novi nalog je u prilogu.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 856 wrote to memory of 2820	856	novi nalog je u prilogu.exe	mobsync.exe
PID 856 wrote to memory of 2820	856	novi nalog je u prilogu.exe	mobsync.exe
PID 856 wrote to memory of 2820	856	novi nalog je u prilogu.exe	mobsync.exe
PID 856 wrote to memory of 2820	856	novi nalog je u prilogu.exe	mobsync.exe
PID 856 wrote to memory of 2820	856	novi nalog je u prilogu.exe	mobsync.exe
PID 856 wrote to memory of 2820	856	novi nalog je u prilogu.exe	mobsync.exe
PID 2536 wrote to memory of 2252	2536	Explorer.EXE	msiexec.exe
PID 2536 wrote to memory of 2252	2536	Explorer.EXE	msiexec.exe
PID 2536 wrote to memory of 2252	2536	Explorer.EXE	msiexec.exe
PID 2252 wrote to memory of 1312	2252	msiexec.exe	cmd.exe
PID 2252 wrote to memory of 1312	2252	msiexec.exe	cmd.exe
PID 2252 wrote to memory of 1312	2252	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2536

C:\Users\Admin\AppData\Local\Temp\novi nalog je u prilogu.exe
"C:\Users\Admin\AppData\Local\Temp\novi nalog je u prilogu.exe"
2⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2820

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:1312

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

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/856-116-0x0000000002430000-0x000000000244A000-memory.dmp

Filesize
104KB

Download
memory/856-114-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/1312-128-0x0000000000000000-mapping.dmp

Download
memory/2252-125-0x0000000000000000-mapping.dmp

Download
memory/2252-132-0x0000000004CA0000-0x0000000004D33000-memory.dmp

Filesize
588KB

Download
memory/2252-131-0x0000000004E30000-0x0000000005150000-memory.dmp

Filesize
3.1MB

Download
memory/2252-129-0x0000000000C90000-0x0000000000CA2000-memory.dmp

Filesize
72KB

Download
memory/2252-130-0x0000000003060000-0x000000000308D000-memory.dmp

Filesize
180KB

Download
memory/2536-124-0x00000000063F0000-0x0000000006518000-memory.dmp

Filesize
1.2MB

Download
memory/2536-133-0x0000000006660000-0x00000000067C9000-memory.dmp

Filesize
1.4MB

Download
memory/2820-120-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2820-123-0x00000000041A0000-0x00000000041B4000-memory.dmp

Filesize
80KB

Download
memory/2820-122-0x0000000004340000-0x0000000004660000-memory.dmp

Filesize
3.1MB

Download
memory/2820-121-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/2820-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads