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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2088-145-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2088-154-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3348-156-0x0000000000980000-0x00000000009AF000-memory.dmp	formbook
behavioral2/memory/3348-162-0x0000000000980000-0x00000000009AF000-memory.dmp	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:

REVISED_.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	REVISED_.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

REVISED_.exeREVISED_.execmmon32.exe

description	pid	process	target process
PID 4712 set thread context of 2088	4712	REVISED_.exe	REVISED_.exe
PID 2088 set thread context of 2616	2088	REVISED_.exe	Explorer.EXE
PID 3348 set thread context of 2616	3348	cmmon32.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

2044 schtasks.exe

pid	process
2044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

powershell.exeREVISED_.exeREVISED_.execmmon32.exe

pid	process
1752	powershell.exe
4712	REVISED_.exe
4712	REVISED_.exe
2088	REVISED_.exe
2088	REVISED_.exe
2088	REVISED_.exe
2088	REVISED_.exe
1752	powershell.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe
3348	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2616 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

REVISED_.execmmon32.exe

pid process

2088 REVISED_.exe
2088 REVISED_.exe
2088 REVISED_.exe
3348 cmmon32.exe
3348 cmmon32.exe

pid	process
2616	Explorer.EXE

pid	process
2088	REVISED_.exe
2088	REVISED_.exe
2088	REVISED_.exe
3348	cmmon32.exe
3348	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

powershell.exeREVISED_.exeREVISED_.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	4712	REVISED_.exe
Token: SeDebugPrivilege	2088	REVISED_.exe
Token: SeDebugPrivilege	3348	cmmon32.exe
Token: SeShutdownPrivilege	2616	Explorer.EXE
Token: SeCreatePagefilePrivilege	2616	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

REVISED_.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 4712 wrote to memory of 1752	4712	REVISED_.exe	powershell.exe
PID 4712 wrote to memory of 1752	4712	REVISED_.exe	powershell.exe
PID 4712 wrote to memory of 1752	4712	REVISED_.exe	powershell.exe
PID 4712 wrote to memory of 2044	4712	REVISED_.exe	schtasks.exe
PID 4712 wrote to memory of 2044	4712	REVISED_.exe	schtasks.exe
PID 4712 wrote to memory of 2044	4712	REVISED_.exe	schtasks.exe
PID 4712 wrote to memory of 4676	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 4676	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 4676	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 2088	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 2088	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 2088	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 2088	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 2088	4712	REVISED_.exe	REVISED_.exe
PID 4712 wrote to memory of 2088	4712	REVISED_.exe	REVISED_.exe
PID 2616 wrote to memory of 3348	2616	Explorer.EXE	cmmon32.exe
PID 2616 wrote to memory of 3348	2616	Explorer.EXE	cmmon32.exe
PID 2616 wrote to memory of 3348	2616	Explorer.EXE	cmmon32.exe
PID 3348 wrote to memory of 3184	3348	cmmon32.exe	cmd.exe
PID 3348 wrote to memory of 3184	3348	cmmon32.exe	cmd.exe
PID 3348 wrote to memory of 3184	3348	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712

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:1752

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GlzwuZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BD0.tmp"
3⤵
- Creates scheduled task(s)
PID:2044

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
3⤵
PID:4676

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:2088

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3348

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
3⤵
PID:3184

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3BD0.tmp
Filesize
1KB

MD5
ad4c708a289312d4cc590431e3613309

SHA1
95b6218d9a4518492d9eb2aa9e5da0e44f5bbbd8

SHA256
862a750edcde0e0410398db965ac7d54e69c696bf03f3ce061196289f25a05b8

SHA512
ab5a1b5f0731f19e453236a3244e6e8105ebcd14177a17efa313d405475541a46e7670f3e3460e89393e8abb1cfcc8ca2af8637ef3b899fe7f09abb6c93b9b82

Download Submit
memory/1752-146-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/1752-160-0x0000000073390000-0x00000000733DC000-memory.dmp

Filesize
304KB

Download
memory/1752-161-0x00000000077C0000-0x00000000077DE000-memory.dmp

Filesize
120KB

Download
memory/1752-169-0x0000000007E00000-0x0000000007E96000-memory.dmp

Filesize
600KB

Download
memory/1752-137-0x0000000000000000-mapping.dmp

Download
memory/1752-159-0x00000000077E0000-0x0000000007812000-memory.dmp

Filesize
200KB

Download
memory/1752-139-0x00000000051B0000-0x00000000051E6000-memory.dmp

Filesize
216KB

Download
memory/1752-140-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/1752-172-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/1752-142-0x0000000005E50000-0x0000000005E72000-memory.dmp

Filesize
136KB

Download
memory/1752-168-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/1752-147-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/1752-170-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

Filesize
56KB

Download
memory/1752-171-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

Filesize
104KB

Download
memory/1752-166-0x00000000081B0000-0x000000000882A000-memory.dmp

Filesize
6.5MB

Download
memory/1752-167-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/1752-152-0x0000000006140000-0x000000000615E000-memory.dmp

Filesize
120KB

Download
memory/2044-138-0x0000000000000000-mapping.dmp

Download
memory/2088-150-0x0000000001370000-0x0000000001384000-memory.dmp

Filesize
80KB

Download
memory/2088-149-0x00000000013B0000-0x00000000016FA000-memory.dmp

Filesize
3.3MB

Download
memory/2088-154-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2088-144-0x0000000000000000-mapping.dmp

Download
memory/2088-145-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-151-0x0000000007C00000-0x0000000007D11000-memory.dmp

Filesize
1.1MB

Download
memory/2616-165-0x0000000008BD0000-0x0000000008D5F000-memory.dmp

Filesize
1.6MB

Download
memory/2616-164-0x0000000008BD0000-0x0000000008D5F000-memory.dmp

Filesize
1.6MB

Download
memory/3184-158-0x0000000000000000-mapping.dmp

Download
memory/3348-153-0x0000000000000000-mapping.dmp

Download
memory/3348-162-0x0000000000980000-0x00000000009AF000-memory.dmp

Filesize
188KB

Download
memory/3348-163-0x0000000002970000-0x0000000002A03000-memory.dmp

Filesize
588KB

Download
memory/3348-157-0x0000000002B00000-0x0000000002E4A000-memory.dmp

Filesize
3.3MB

Download
memory/3348-156-0x0000000000980000-0x00000000009AF000-memory.dmp

Filesize
188KB

Download
memory/3348-155-0x0000000000A30000-0x0000000000A3C000-memory.dmp

Filesize
48KB

Download
memory/4676-143-0x0000000000000000-mapping.dmp

Download
memory/4712-132-0x0000000000BB0000-0x0000000000C46000-memory.dmp

Filesize
600KB

Download
memory/4712-136-0x00000000092F0000-0x000000000938C000-memory.dmp

Filesize
624KB

Download
memory/4712-135-0x0000000005690000-0x000000000569A000-memory.dmp

Filesize
40KB

Download
memory/4712-134-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/4712-133-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads