formbook | 9e7423c4b8904ca8dc44c184cd15e755e1e0b554a9182b0e5d4c4e85f341eb84

General

Target

payload_formbook.exe
Size

188KB
MD5

96525c4a51a40ab74dcb485b86d72a84
SHA1

c0f5fb91272bcf033156266d447fadb58668fb96
SHA256

9e7423c4b8904ca8dc44c184cd15e755e1e0b554a9182b0e5d4c4e85f341eb84
SHA512

96f142b2eabc5109d87df0b3a6f39a4e735401981d71e471753215b2048924cb9f4f028f3b830de4f5f93d3e4d8711247c1d187f86549e6c3c8c06cfef62b3e3
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:

payload_formbook.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International\Geo\Nation	payload_formbook.exe

Loads dropped DLL 1 IoCs

Processes:

NETSTAT.EXE

pid process

1520 NETSTAT.EXE

pid	process
1520	NETSTAT.EXE

Suspicious use of SetThreadContext 2 IoCs

Processes:

payload_formbook.exeNETSTAT.EXE

description	pid	process	target process
PID 1944 set thread context of 1288	1944	payload_formbook.exe	Explorer.EXE
PID 1520 set thread context of 1288	1520	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1520 NETSTAT.EXE

pid	process
1520	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

payload_formbook.exeNETSTAT.EXE

pid	process
1944	payload_formbook.exe
1944	payload_formbook.exe
1944	payload_formbook.exe
1944	payload_formbook.exe
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE
1520	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

payload_formbook.exeNETSTAT.EXE

pid process

1944 payload_formbook.exe
1944 payload_formbook.exe
1944 payload_formbook.exe
1520 NETSTAT.EXE
1520 NETSTAT.EXE
1520 NETSTAT.EXE
1520 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

payload_formbook.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1944 payload_formbook.exe
Token: SeDebugPrivilege 1520 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1944	payload_formbook.exe
Token: SeDebugPrivilege	1520	NETSTAT.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Explorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1288 wrote to memory of 1520	1288	Explorer.EXE	NETSTAT.EXE
PID 1288 wrote to memory of 1520	1288	Explorer.EXE	NETSTAT.EXE
PID 1288 wrote to memory of 1520	1288	Explorer.EXE	NETSTAT.EXE
PID 1288 wrote to memory of 1520	1288	Explorer.EXE	NETSTAT.EXE
PID 1520 wrote to memory of 1880	1520	NETSTAT.EXE	Firefox.exe
PID 1520 wrote to memory of 1880	1520	NETSTAT.EXE	Firefox.exe
PID 1520 wrote to memory of 1880	1520	NETSTAT.EXE	Firefox.exe
PID 1520 wrote to memory of 1880	1520	NETSTAT.EXE	Firefox.exe
PID 1520 wrote to memory of 1880	1520	NETSTAT.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:1288

C:\Users\Admin\AppData\Local\Temp\payload_formbook.exe
"C:\Users\Admin\AppData\Local\Temp\payload_formbook.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1944

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1160

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
904KB

MD5
5e5ba61531d74e45b11cadb79e7394a1

SHA1
677224e14aac9dd35f367d5eb1704b36e69356b8

SHA256
99e91ae250c955bd403ec1a2321d6b11fcb715bdcc7cb3f63ffb46b349afde5c

SHA512
712bfe419ba97ecf0ec8323a68743013e8c767da9d986f74ab94d2a395c3086cac2a5823048e0022d3bbcebb55281b9e1f8c87fdc9295c70cc5521b57850bf46

Download Submit
memory/1288-63-0x0000000004360000-0x0000000004427000-memory.dmp

Filesize
796KB

Download
memory/1288-57-0x00000000064D0000-0x000000000662F000-memory.dmp

Filesize
1.4MB

Download
memory/1288-65-0x0000000004360000-0x0000000004427000-memory.dmp

Filesize
796KB

Download
memory/1520-58-0x0000000000000000-mapping.dmp

Download
memory/1520-60-0x00000000000E0000-0x000000000010D000-memory.dmp

Filesize
180KB

Download
memory/1520-59-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download
memory/1520-61-0x00000000021F0000-0x00000000024F3000-memory.dmp

Filesize
3.0MB

Download
memory/1520-62-0x0000000001F40000-0x0000000001FCF000-memory.dmp

Filesize
572KB

Download
memory/1520-64-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1944-56-0x0000000000110000-0x0000000000120000-memory.dmp

Filesize
64KB

Download
memory/1944-54-0x00000000013C0000-0x00000000013EF000-memory.dmp

Filesize
188KB

Download
memory/1944-55-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads