formbook | 1e76071fd87642e4070b75b2f542d65d304dcbb8482e795610bd53b34c54bcb8

General

Target

file.exe
Size

260KB
MD5

a77431e2d2b1d029280cf0a47b113105
SHA1

f87716cb580a6b5a48a8c3a9112abf070353eaf4
SHA256

1e76071fd87642e4070b75b2f542d65d304dcbb8482e795610bd53b34c54bcb8
SHA512

7c3bb123b65744851b37ec612f9c2541e1e4ee092069b1d9acd14e462251cfe35b471abb3da1c6669c1cfeb3ea677da9e708f1b37728b77e34e8a49b1f2793f8
SSDEEP

6144:sTr7LaS2zIxSM8ZSPSl940ofQoEytRm5Krk6X8Plx:snS5zIxeu0ofOys6X8Plx

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
Loads dropped DLL 1 IoCs

Processes:

NAPSTAT.EXE

pid process

1504 NAPSTAT.EXE

pid	process
1504	NAPSTAT.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

file.exeRegsvcs.exeNAPSTAT.EXE

description	pid	process	target process
PID 620 set thread context of 760	620	file.exe	Regsvcs.exe
PID 760 set thread context of 1192	760	Regsvcs.exe	Explorer.EXE
PID 1504 set thread context of 1192	1504	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-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

Regsvcs.exeNAPSTAT.EXE

pid	process
760	Regsvcs.exe
760	Regsvcs.exe
760	Regsvcs.exe
760	Regsvcs.exe
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE
1504	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Regsvcs.exeNAPSTAT.EXE

pid process

760 Regsvcs.exe
760 Regsvcs.exe
760 Regsvcs.exe
1504 NAPSTAT.EXE
1504 NAPSTAT.EXE
1504 NAPSTAT.EXE
1504 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Regsvcs.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 760 Regsvcs.exe
Token: SeDebugPrivilege 1504 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
1192 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
1192 Explorer.EXE

pid	process
1192	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	760	Regsvcs.exe
Token: SeDebugPrivilege	1504	NAPSTAT.EXE

pid	process
1192	Explorer.EXE
1192	Explorer.EXE

pid	process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

file.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 620 wrote to memory of 760	620	file.exe	Regsvcs.exe
PID 1192 wrote to memory of 1504	1192	Explorer.EXE	NAPSTAT.EXE
PID 1192 wrote to memory of 1504	1192	Explorer.EXE	NAPSTAT.EXE
PID 1192 wrote to memory of 1504	1192	Explorer.EXE	NAPSTAT.EXE
PID 1192 wrote to memory of 1504	1192	Explorer.EXE	NAPSTAT.EXE
PID 1504 wrote to memory of 1264	1504	NAPSTAT.EXE	Firefox.exe
PID 1504 wrote to memory of 1264	1504	NAPSTAT.EXE	Firefox.exe
PID 1504 wrote to memory of 1264	1504	NAPSTAT.EXE	Firefox.exe
PID 1504 wrote to memory of 1264	1504	NAPSTAT.EXE	Firefox.exe
PID 1504 wrote to memory of 1264	1504	NAPSTAT.EXE	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:620

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:760

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:1504

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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/620-54-0x000000013FC20000-0x000000013FC64000-memory.dmp

Filesize
272KB

Download
memory/620-55-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/620-56-0x0000000000650000-0x000000000065A000-memory.dmp

Filesize
40KB

Download
memory/760-67-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/760-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/760-61-0x00000000004012B0-mapping.dmp

Download
memory/760-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/760-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/760-65-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/760-66-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/760-68-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download
memory/760-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/760-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1192-69-0x0000000004890000-0x0000000004995000-memory.dmp

Filesize
1.0MB

Download
memory/1192-75-0x0000000004E80000-0x0000000004F47000-memory.dmp

Filesize
796KB

Download
memory/1192-78-0x0000000004E80000-0x0000000004F47000-memory.dmp

Filesize
796KB

Download
memory/1504-71-0x0000000000710000-0x0000000000756000-memory.dmp

Filesize
280KB

Download
memory/1504-72-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1504-73-0x0000000001FE0000-0x00000000022E3000-memory.dmp

Filesize
3.0MB

Download
memory/1504-74-0x0000000000660000-0x00000000006EF000-memory.dmp

Filesize
572KB

Download
memory/1504-76-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1504-77-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1504-70-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads