formbook | 6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79

General

Target

Purchase List .exe
Size

79KB
MD5

3462a1a8071d37ce9110eaea3b9cdf50
SHA1

ccd57efa4c7330c0d351b62a362f8b7b06e35c92
SHA256

6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
SHA512

4bc0636b997f78d461be2f9124e1ef83b0ea20e5af7d49b4c6aaf5fe87629aac78064c96007e4d6a8ffd288ba21c967780da365bb301d965278bcd7714272ba3
SSDEEP

1536:3YTth9Ag7qBLMeHdLfK6IVoi+pQNafOC3BSmDi:3YD7qFHTIMQQmmO

Score

10^/10

formbook 45er rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

45er

Decoy

depotpulsa.com

k2bilbao.online

bb4uoficial.com

rwc666.club

us-pservice.cyou

tricegottreats.com

zsystems.pro

qudouyin6.com

sfumaturedamore.net

pcetyy.icu

notbokin.online

beqprod.tech

flipbuilding.com

errormitigationzoo.com

zj5u603.xyz

jezzatravel.com

zmdniavysyi.shop

quinnsteele.com

522334.com

outdoorshopping.net

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/1004-7-0x0000000006200000-0x000000000622F000-memory.dmp	formbook
behavioral2/memory/1004-13-0x0000000006200000-0x000000000622F000-memory.dmp	formbook
behavioral2/memory/2092-16-0x0000000000450000-0x000000000047F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

Purchase List .exeNETSTAT.EXE

description pid process target process

PID 1004 set thread context of 3480 1004 Purchase List .exe Explorer.EXE
PID 2092 set thread context of 3480 2092 NETSTAT.EXE Explorer.EXE
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

NETSTAT.EXE

pid process

2092 NETSTAT.EXE

description	pid	process	target process
PID 1004 set thread context of 3480	1004	Purchase List .exe	Explorer.EXE
PID 2092 set thread context of 3480	2092	NETSTAT.EXE	Explorer.EXE

pid	process
2092	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

Purchase List .exeNETSTAT.EXE

pid	process
1004	Purchase List .exe
1004	Purchase List .exe
1004	Purchase List .exe
1004	Purchase List .exe
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE
2092	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase List .exeNETSTAT.EXE

pid process

1004 Purchase List .exe
1004 Purchase List .exe
1004 Purchase List .exe
2092 NETSTAT.EXE
2092 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Purchase List .exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1004 Purchase List .exe
Token: SeDebugPrivilege 1004 Purchase List .exe
Token: SeDebugPrivilege 2092 NETSTAT.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3480 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1004	Purchase List .exe
Token: SeDebugPrivilege	1004	Purchase List .exe
Token: SeDebugPrivilege	2092	NETSTAT.EXE

pid	process
3480	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXENETSTAT.EXE

description	pid	process	target process
PID 3480 wrote to memory of 2092	3480	Explorer.EXE	NETSTAT.EXE
PID 3480 wrote to memory of 2092	3480	Explorer.EXE	NETSTAT.EXE
PID 3480 wrote to memory of 2092	3480	Explorer.EXE	NETSTAT.EXE
PID 2092 wrote to memory of 664	2092	NETSTAT.EXE	cmd.exe
PID 2092 wrote to memory of 664	2092	NETSTAT.EXE	cmd.exe
PID 2092 wrote to memory of 664	2092	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3480

C:\Users\Admin\AppData\Local\Temp\Purchase List .exe
"C:\Users\Admin\AppData\Local\Temp\Purchase List .exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1004

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3160

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1340

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:100

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1492

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase List .exe"
3⤵
PID:664

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1004-8-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1004-13-0x0000000006200000-0x000000000622F000-memory.dmp

Filesize
188KB

Download
memory/1004-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1004-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/1004-4-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1004-5-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/1004-6-0x00000000061D0000-0x0000000006202000-memory.dmp

Filesize
200KB

Download
memory/1004-7-0x0000000006200000-0x000000000622F000-memory.dmp

Filesize
188KB

Download
memory/1004-2-0x0000000005220000-0x00000000057C4000-memory.dmp

Filesize
5.6MB

Download
memory/1004-1-0x0000000000340000-0x000000000035A000-memory.dmp

Filesize
104KB

Download
memory/1004-15-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/2092-11-0x0000000000600000-0x000000000060B000-memory.dmp

Filesize
44KB

Download
memory/2092-14-0x0000000000600000-0x000000000060B000-memory.dmp

Filesize
44KB

Download
memory/2092-16-0x0000000000450000-0x000000000047F000-memory.dmp

Filesize
188KB

Download
memory/3480-25-0x00000000081C0000-0x0000000008281000-memory.dmp

Filesize
772KB

Download
memory/3480-18-0x0000000002D10000-0x0000000002DF4000-memory.dmp

Filesize
912KB

Download
memory/3480-21-0x00000000081C0000-0x0000000008281000-memory.dmp

Filesize
772KB

Download
memory/3480-22-0x00000000081C0000-0x0000000008281000-memory.dmp

Filesize
772KB

Download
memory/3480-10-0x0000000002D10000-0x0000000002DF4000-memory.dmp

Filesize
912KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads