formbook | 1b6a34ba043c45cfc63367a5a35d3c58b074d723c666d018b3c4c0d950e42b40

General

Target

20210111140930669.exe
Size

868KB
MD5

55a9f49ac7b18c445a01aa766954a68d
SHA1

73ebd37572a79adec31ceefda6bfec90a9f70f3a
SHA256

1b6a34ba043c45cfc63367a5a35d3c58b074d723c666d018b3c4c0d950e42b40
SHA512

50d1c160637c22e51432ac86e38f3e9e941069859ea02d62df505cb7e7190ba8282b0462520c0879798e1f3509283d2e13b5f3ef61bfe8a8699a18fc0cb482ef

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.midnightblueinc.com/2kf/

Decoy

edmondscakes.com

doublewldr.online

tickets2usa.com

heyhxry.com

weightloss-gulfport.com

prosselius.com

newviewroofers.com

jacksonarearealestate.com

catparkas.xyz

pagos2020.com

sonwsefjrahi.online

franchisethings.com

nuocvietngaynay.com

sohelvai.com

mikeyroush.com

lamesaroofing.com

betbigo138.com

amazon-service-recovery.com

clockin.net

riostrader.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
behavioral1/memory/396-9-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/396-10-0x000000000041EB30-mapping.dmp	formbook
behavioral1/memory/1496-11-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1584 cmd.exe

pid	process
1584	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

20210111140930669.exe20210111140930669.exerundll32.exe

description	pid	process	target process
PID 596 set thread context of 396	596	20210111140930669.exe	20210111140930669.exe
PID 396 set thread context of 1248	396	20210111140930669.exe	Explorer.EXE
PID 1496 set thread context of 1248	1496	rundll32.exe	Explorer.EXE

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1628 schtasks.exe

pid	process
1628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

20210111140930669.exe20210111140930669.exerundll32.exe

pid	process
596	20210111140930669.exe
396	20210111140930669.exe
396	20210111140930669.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe
1496	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

20210111140930669.exerundll32.exe

pid process

396 20210111140930669.exe
396 20210111140930669.exe
396 20210111140930669.exe
1496 rundll32.exe
1496 rundll32.exe

pid	process
396	20210111140930669.exe
396	20210111140930669.exe
396	20210111140930669.exe
1496	rundll32.exe
1496	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

20210111140930669.exe20210111140930669.exerundll32.exe

description	pid	process
Token: SeDebugPrivilege	596	20210111140930669.exe
Token: SeDebugPrivilege	396	20210111140930669.exe
Token: SeDebugPrivilege	1496	rundll32.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

20210111140930669.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 596 wrote to memory of 1628	596	20210111140930669.exe	schtasks.exe
PID 596 wrote to memory of 1628	596	20210111140930669.exe	schtasks.exe
PID 596 wrote to memory of 1628	596	20210111140930669.exe	schtasks.exe
PID 596 wrote to memory of 1628	596	20210111140930669.exe	schtasks.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 596 wrote to memory of 396	596	20210111140930669.exe	20210111140930669.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	rundll32.exe
PID 1496 wrote to memory of 1584	1496	rundll32.exe	cmd.exe
PID 1496 wrote to memory of 1584	1496	rundll32.exe	cmd.exe
PID 1496 wrote to memory of 1584	1496	rundll32.exe	cmd.exe
PID 1496 wrote to memory of 1584	1496	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\20210111140930669.exe
"C:\Users\Admin\AppData\Local\Temp\20210111140930669.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HOvZfcnD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD23D.tmp"
3⤵
- Creates scheduled task(s)
PID:1628

C:\Users\Admin\AppData\Local\Temp\20210111140930669.exe
"C:\Users\Admin\AppData\Local\Temp\20210111140930669.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:396

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\20210111140930669.exe"
3⤵
- Deletes itself
PID:1584

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD23D.tmp
MD5
b28efb15bff543f226c76f91c0060d46

SHA1
d1c7d6677ee2c1d64f3eb8df773d87069484b5f9

SHA256
c92467353d78d2d216a4dd87d28efcbe2ae0cba01afd991feec54909ffb08b88

SHA512
8db2ef5199cda81edb85164ff2a06d46da47bcb0c9a7bf8573ba62b3af4895945e87abd33b8eb2d5919948ef734a4a76305b85215b7ce7dfeac47be8f1e862ed

Download Submit
memory/396-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/396-10-0x000000000041EB30-mapping.dmp

Download
memory/596-2-0x0000000073D40000-0x000000007442E000-memory.dmp

Filesize
6.9MB

Download
memory/596-3-0x0000000001140000-0x0000000001141000-memory.dmp

Filesize
4KB

Download
memory/596-5-0x0000000000260000-0x0000000000272000-memory.dmp

Filesize
72KB

Download
memory/596-6-0x0000000005000000-0x000000000506D000-memory.dmp

Filesize
436KB

Download
memory/1496-11-0x0000000000000000-mapping.dmp

Download
memory/1496-12-0x0000000000C60000-0x0000000000C6E000-memory.dmp

Filesize
56KB

Download
memory/1496-14-0x0000000000B60000-0x0000000000C59000-memory.dmp

Filesize
996KB

Download
memory/1584-13-0x0000000000000000-mapping.dmp

Download
memory/1628-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads