formbook | 5b284ea7d120dd963c6dd264ec57782d8593867b9fdc2b849d0730defdc22deb

General

Target

REVISED_.exe
Size

573KB
MD5

0e27fab3f710b0b524091aba6ed455c7
SHA1

2b6aca7bc31a565f0cb1e00d9daab463b570f269
SHA256

40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e
SHA512

d795b666ec53c9ed058c8fa77dac06e6e77f9d4871dfea8d59ebe49653b9b0620d292677482a88e81b276893948780db6ecc7b7e67ebb1c2a1995fc16876ba2a
SSDEEP

6144:/+qpqSmgUZtFUaJqMJ3iwyoqAnrHxC4AbUkO0dDW8P4SATkU6Uk5dWXwzlf7Tvm:GqgSmdzUZAUndDWE4pkFv5DzA

Score

10^/10

formbook f9r5 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

f9r5

Decoy

teknotimur.com

zuliboo.com

remmingtoncampbell.com

vehicletitleloansphoenix.com

sen-computer.com

98731.biz

shelikesblu.com

canis-totem.com

metaversemedianetwork.com

adsdu.com

vanishmediasystems.com

astewaykebede.com

wszhongxue.com

gacha-animator-free.com

papatyadekorasyon.com

mqc168.top

simplebrilliantsolutions.com

jubileehawkesprairie.com

ridflab.com

conboysfilm.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/436-69-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/436-70-0x000000000041F150-mapping.dmp	formbook
behavioral1/memory/436-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/800-81-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/800-85-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1284 cmd.exe

pid	process
1284	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

REVISED_.exeREVISED_.execontrol.exe

description	pid	process	target process
PID 1400 set thread context of 436	1400	REVISED_.exe	REVISED_.exe
PID 436 set thread context of 1224	436	REVISED_.exe	Explorer.EXE
PID 800 set thread context of 1224	800	control.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

848 schtasks.exe

pid	process
848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exeREVISED_.execontrol.exe

pid	process
1780	powershell.exe
436	REVISED_.exe
436	REVISED_.exe
800	control.exe
800	control.exe
800	control.exe
800	control.exe
800	control.exe
800	control.exe
800	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

REVISED_.execontrol.exe

pid process

436 REVISED_.exe
436 REVISED_.exe
436 REVISED_.exe
800 control.exe
800 control.exe

pid	process
436	REVISED_.exe
436	REVISED_.exe
436	REVISED_.exe
800	control.exe
800	control.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeREVISED_.execontrol.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1780	powershell.exe
Token: SeDebugPrivilege	436	REVISED_.exe
Token: SeDebugPrivilege	800	control.exe
Token: SeShutdownPrivilege	1224	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

REVISED_.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 1400 wrote to memory of 1780	1400	REVISED_.exe	powershell.exe
PID 1400 wrote to memory of 1780	1400	REVISED_.exe	powershell.exe
PID 1400 wrote to memory of 1780	1400	REVISED_.exe	powershell.exe
PID 1400 wrote to memory of 1780	1400	REVISED_.exe	powershell.exe
PID 1400 wrote to memory of 848	1400	REVISED_.exe	schtasks.exe
PID 1400 wrote to memory of 848	1400	REVISED_.exe	schtasks.exe
PID 1400 wrote to memory of 848	1400	REVISED_.exe	schtasks.exe
PID 1400 wrote to memory of 848	1400	REVISED_.exe	schtasks.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1400 wrote to memory of 436	1400	REVISED_.exe	REVISED_.exe
PID 1224 wrote to memory of 800	1224	Explorer.EXE	control.exe
PID 1224 wrote to memory of 800	1224	Explorer.EXE	control.exe
PID 1224 wrote to memory of 800	1224	Explorer.EXE	control.exe
PID 1224 wrote to memory of 800	1224	Explorer.EXE	control.exe
PID 800 wrote to memory of 1284	800	control.exe	cmd.exe
PID 800 wrote to memory of 1284	800	control.exe	cmd.exe
PID 800 wrote to memory of 1284	800	control.exe	cmd.exe
PID 800 wrote to memory of 1284	800	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GlzwuZ.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GlzwuZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C73.tmp"
3⤵
- Creates scheduled task(s)
PID:848

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:436

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
3⤵
- Deletes itself
PID:1284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5C73.tmp
Filesize
1KB

MD5
1ea16109193fd0a9533adadc015337c4

SHA1
f1e33f9239b484b48c27bb767faf29c638d2604f

SHA256
c465f680d014247de37e463cd0ac459587fa24f32a8def5fb60a0d7603deb493

SHA512
52292f15e358dabb551e8046004b23c4f4863e7c15d371ab6c303c1069938c364e8198ed14d154f99fed99224a22cde85ceb213498025867e37a6801a5775641

Download Submit
memory/436-70-0x000000000041F150-mapping.dmp

Download
memory/436-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/436-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/436-71-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/436-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/436-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/436-73-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/800-85-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/800-83-0x0000000000660000-0x00000000006F3000-memory.dmp

Filesize
588KB

Download
memory/800-75-0x0000000000000000-mapping.dmp

Download
memory/800-82-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/800-81-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/800-80-0x0000000000430000-0x000000000044F000-memory.dmp

Filesize
124KB

Download
memory/848-60-0x0000000000000000-mapping.dmp

Download
memory/1224-84-0x0000000007550000-0x00000000076A1000-memory.dmp

Filesize
1.3MB

Download
memory/1224-86-0x0000000007550000-0x00000000076A1000-memory.dmp

Filesize
1.3MB

Download
memory/1224-74-0x0000000004CE0000-0x0000000004E08000-memory.dmp

Filesize
1.2MB

Download
memory/1284-78-0x0000000000000000-mapping.dmp

Download
memory/1400-65-0x0000000000BD0000-0x0000000000C04000-memory.dmp

Filesize
208KB

Download
memory/1400-56-0x0000000000590000-0x00000000005A6000-memory.dmp

Filesize
88KB

Download
memory/1400-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1400-54-0x0000000001240000-0x00000000012D6000-memory.dmp

Filesize
600KB

Download
memory/1400-58-0x0000000005C80000-0x0000000005CF0000-memory.dmp

Filesize
448KB

Download
memory/1400-57-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/1780-79-0x000000006E620000-0x000000006EBCB000-memory.dmp

Filesize
5.7MB

Download
memory/1780-64-0x000000006E620000-0x000000006EBCB000-memory.dmp

Filesize
5.7MB

Download
memory/1780-63-0x000000006E620000-0x000000006EBCB000-memory.dmp

Filesize
5.7MB

Download
memory/1780-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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