formbook | 93570be59d8c3f3608ffe0b137503c6555e6f40514af2c22989fe61a2394ecd5

General

Target

BANK SLIP.exe
Size

464KB
MD5

b94efb11bb057e324e00967a077a9c3f
SHA1

a96358b10168fce176481019f26e9d331c03ee57
SHA256

93570be59d8c3f3608ffe0b137503c6555e6f40514af2c22989fe61a2394ecd5
SHA512

2f968024ee4d1e9a46cf4067d467cc37e0ea4967060b09d2b59410670bac907d18fbb6fa757b44abe7978edeadb9bb19d8621c95cb6b9740edceca35a5043685

Score

10^/10

formbook r4gk rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

r4gk

C2

http://www.aprilsaak.quest/r4gk/

Decoy

quantalix.com

animalblog-eggs.com

039skz.xyz

guttas.net

lasantadayparty.com

protegerfinanceservices.com

vixtest.xyz

digitaleconomy.global

0xpax.xyz

mobilehome1688.com

themotionpartners.com

valueney.com

hattuafhv.quest

js0061gj.net

360metaverse.biz

seculardata.com

346727688.xyz

smartmapom.com

moksel.com

exoduswatchco.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/1580-124-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1580-125-0x000000000041F110-mapping.dmp	formbook
behavioral2/memory/1856-133-0x0000000000610000-0x000000000063F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

BANK SLIP.exeBANK SLIP.exeNETSTAT.EXE

description	pid	process	target process
PID 2620 set thread context of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 1580 set thread context of 3056	1580	BANK SLIP.exe	Explorer.EXE
PID 1856 set thread context of 3056	1856	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

1856 NETSTAT.EXE

pid	process
1856	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

BANK SLIP.exeNETSTAT.EXE

pid	process
1580	BANK SLIP.exe
1580	BANK SLIP.exe
1580	BANK SLIP.exe
1580	BANK SLIP.exe
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE
1856	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

BANK SLIP.exeNETSTAT.EXE

pid process

1580 BANK SLIP.exe
1580 BANK SLIP.exe
1580 BANK SLIP.exe
1856 NETSTAT.EXE
1856 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BANK SLIP.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1580 BANK SLIP.exe
Token: SeDebugPrivilege 1856 NETSTAT.EXE

pid	process
3056	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1580	BANK SLIP.exe
Token: SeDebugPrivilege	1856	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

BANK SLIP.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 2620 wrote to memory of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 2620 wrote to memory of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 2620 wrote to memory of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 2620 wrote to memory of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 2620 wrote to memory of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 2620 wrote to memory of 1580	2620	BANK SLIP.exe	BANK SLIP.exe
PID 3056 wrote to memory of 1856	3056	Explorer.EXE	NETSTAT.EXE
PID 3056 wrote to memory of 1856	3056	Explorer.EXE	NETSTAT.EXE
PID 3056 wrote to memory of 1856	3056	Explorer.EXE	NETSTAT.EXE
PID 1856 wrote to memory of 3996	1856	NETSTAT.EXE	cmd.exe
PID 1856 wrote to memory of 3996	1856	NETSTAT.EXE	cmd.exe
PID 1856 wrote to memory of 3996	1856	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe
"C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2620

C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe
"C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1580

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1040

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:1856

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe"
3⤵
PID:3996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1580-124-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1580-128-0x0000000001390000-0x00000000013A4000-memory.dmp

Filesize
80KB

Download
memory/1580-126-0x0000000001490000-0x00000000017B0000-memory.dmp

Filesize
3.1MB

Download
memory/1580-125-0x000000000041F110-mapping.dmp

Download
memory/1856-133-0x0000000000610000-0x000000000063F000-memory.dmp

Filesize
188KB

Download
memory/1856-130-0x0000000000000000-mapping.dmp

Download
memory/1856-135-0x0000000000B40000-0x0000000000BD3000-memory.dmp

Filesize
588KB

Download
memory/1856-134-0x0000000000DA0000-0x00000000010C0000-memory.dmp

Filesize
3.1MB

Download
memory/1856-132-0x0000000001230000-0x000000000123B000-memory.dmp

Filesize
44KB

Download
memory/2620-117-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/2620-118-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/2620-121-0x0000000005290000-0x0000000005296000-memory.dmp

Filesize
24KB

Download
memory/2620-119-0x00000000052B0000-0x00000000057AE000-memory.dmp

Filesize
5.0MB

Download
memory/2620-115-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/2620-120-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download
memory/2620-123-0x0000000006050000-0x00000000060A2000-memory.dmp

Filesize
328KB

Download
memory/2620-122-0x0000000005EB0000-0x0000000005EB1000-memory.dmp

Filesize
4KB

Download
memory/3056-129-0x0000000006140000-0x0000000006279000-memory.dmp

Filesize
1.2MB

Download
memory/3056-136-0x0000000006540000-0x00000000066B7000-memory.dmp

Filesize
1.5MB

Download
memory/3996-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads