formbook | d0b843d438fa30a32980d2a153c93a99461476e07562a215fd8e44426f5f2f58

General

Target

stage3.exe
Size

185KB
MD5

f6266a4df0a33943d7018a03fb16ff67
SHA1

b6e4bad9f79db9797f71d4b2448b1e6351a3acc8
SHA256

d0b843d438fa30a32980d2a153c93a99461476e07562a215fd8e44426f5f2f58
SHA512

d6565fcee1aaabae1e2e5268f3718c2361264d3b320190f5216e43be3065ee1f25144d22e2363078d98fd1f4f3aa883f418dd402481e700cee72e81c25d79747
SSDEEP

3072:y8qzRkfWIYczfzD7nqV+K0fp1TpckexJReVMsYykt9WIFMfWynpXA:yziWIYGzD77jp1FMRKMsCFMrn

Score

10^/10

formbook pgnt rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

pgnt

Decoy

0WG18LbM4lR9iqMRa4nlBzTb

jcfGYzPgZTqFZVO9FV2yIw==

laIfrdSC8/4CNg==

Q73ilev5GIWuOrAAFV2yIw==

Q2u/pMw7pv4sPA==

TbqvIUHwlQscPo0HFV2yIw==

8PNWfGPyE8n0IQ==

WtgROxXzvY2L

PryaRBNjm4eP

Y9Hdi06Cry1um9Sj68YAu1o=

3Gulyp7CMQtR78jvLkk=

JJ3GasTVTCRQT6Tfz6S6GlI=

RnS42bhb9tI0R6UpD6wOxriNxw==

he1mi2sOGfzTRGHnuA==

eaYjCtjxVjdU5XLRtBMBLKk9quA=

k9rTeEqYzzw8WaTfz6S6GlI=

5luVQwe2vJWKEAiMdF4=

MGW14L9OVk5Y5TaR6w/DqdhYxXVY

mAsYz6k6sQkDC0/DoHj9t1RPWLSgFQ==

y5klhuMbE8n0IQ==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

stage3.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\International\Geo\Nation stage3.exe
Loads dropped DLL 1 IoCs

Processes:

NAPSTAT.EXE

pid process

548 NAPSTAT.EXE

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\International\Geo\Nation	stage3.exe

pid	process
548	NAPSTAT.EXE

Suspicious use of SetThreadContext 2 IoCs

Processes:

stage3.exeNAPSTAT.EXE

description	pid	process	target process
PID 112 set thread context of 1380	112	stage3.exe	Explorer.EXE
PID 548 set thread context of 1380	548	NAPSTAT.EXE	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NAPSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

stage3.exeNAPSTAT.EXE

pid	process
112	stage3.exe
112	stage3.exe
112	stage3.exe
112	stage3.exe
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE
548	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

stage3.exeNAPSTAT.EXE

pid process

112 stage3.exe
112 stage3.exe
112 stage3.exe
548 NAPSTAT.EXE
548 NAPSTAT.EXE
548 NAPSTAT.EXE
548 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

stage3.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 112 stage3.exe
Token: SeDebugPrivilege 548 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	112	stage3.exe
Token: SeDebugPrivilege	548	NAPSTAT.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Explorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1380 wrote to memory of 548	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 548	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 548	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 548	1380	Explorer.EXE	NAPSTAT.EXE
PID 548 wrote to memory of 1396	548	NAPSTAT.EXE	Firefox.exe
PID 548 wrote to memory of 1396	548	NAPSTAT.EXE	Firefox.exe
PID 548 wrote to memory of 1396	548	NAPSTAT.EXE	Firefox.exe
PID 548 wrote to memory of 1396	548	NAPSTAT.EXE	Firefox.exe
PID 548 wrote to memory of 1396	548	NAPSTAT.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:1380

C:\Users\Admin\AppData\Local\Temp\stage3.exe
"C:\Users\Admin\AppData\Local\Temp\stage3.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:112

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
804KB

MD5
b09588d000ef4bf2a3dddd85bd701423

SHA1
44a810ff8920a340a30b66d932253555143dc28b

SHA256
ce4ffc1a12150b8523378553f2a97dd3fc44d5210ae6c296ab31e2c78f0d03c3

SHA512
1d807d92da34ccba4628f2a55c3ac1c03ff63925d79e266b4e52d71002228cbde76206ec696c3e25143fc2e0cab56589155666ff6f8ea0ebfd5ebcd362168e2a

Download Submit
memory/112-55-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/112-56-0x0000000000140000-0x0000000000150000-memory.dmp

Filesize
64KB

Download
memory/112-54-0x0000000000020000-0x000000000004F000-memory.dmp

Filesize
188KB

Download
memory/548-65-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/548-58-0x0000000000000000-mapping.dmp

Download
memory/548-59-0x0000000000050000-0x0000000000096000-memory.dmp

Filesize
280KB

Download
memory/548-60-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/548-61-0x0000000002000000-0x0000000002303000-memory.dmp

Filesize
3.0MB

Download
memory/548-62-0x0000000000540000-0x00000000005CF000-memory.dmp

Filesize
572KB

Download
memory/548-66-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1380-57-0x0000000004880000-0x000000000495E000-memory.dmp

Filesize
888KB

Download
memory/1380-64-0x0000000004880000-0x000000000495E000-memory.dmp

Filesize
888KB

Download
memory/1380-67-0x0000000004EE0000-0x0000000005004000-memory.dmp

Filesize
1.1MB

Download
memory/1380-63-0x0000000004EE0000-0x0000000005004000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads