formbook | c7046054dfa14ba59f91b14d7039a7d4bff88e62cb0b9bfaf6b3eb247662d5ce

General

Target

Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe
Size

1.1MB
MD5

619ce11794a336a36f03a90866b032a2
SHA1

5d54cad65c1738756c3af8bb73a304d6ac7ed515
SHA256

c7046054dfa14ba59f91b14d7039a7d4bff88e62cb0b9bfaf6b3eb247662d5ce
SHA512

ec796899434d7413187e99637fa7b6d2648aaa6002409aea4d50389baf957b070e48e1c557209946e7c4db0b72c0b55a5c73318ed1e4c68f55ffec601c9f6aa2

Score

10^/10

formbook modiloader o2e7 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o2e7

Decoy

genvivwink.com

paramotos.space

bolsanoir.com

techblog.asia

seophreak.com

agitationt.net

jenniferlearmontcelebrant.com

biggsales.space

barkerprintsolutions.com

jesuspatriot.com

clinicaamadeolosmochis.com

lowbackpaindecoded.com

mumbaimasjid.com

masooliflourmillers.com

incopetent.com

andresramosweb.com

betonamubukkyoshinjakai.com

pukimail.net

erohlimitcrown.site

bodogegarden.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1340-147-0x0000000050410000-0x000000005043F000-memory.dmp	formbook
behavioral2/memory/1688-191-0x0000000050410000-0x000000005043F000-memory.dmp	formbook
behavioral2/memory/3680-195-0x0000000000850000-0x000000000087F000-memory.dmp	formbook
behavioral2/memory/3680-198-0x0000000000850000-0x000000000087F000-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:

Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jljvzkwka = "C:\\Users\\Public\\Libraries\\akwkzvjlJ.url"	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cmd.execmmon32.exe

description	pid	process	target process
PID 1688 set thread context of 820	1688	cmd.exe	Explorer.EXE
PID 3680 set thread context of 820	3680	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

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

Jljvzkwkajrxpwstjmkmcplxflanzapxsi.execmd.execmmon32.exe

pid	process
1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe
1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe
1688	cmd.exe
1688	cmd.exe
1688	cmd.exe
1688	cmd.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe
3680	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

820 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

cmd.execmmon32.exe

pid process

1688 cmd.exe
1688 cmd.exe
1688 cmd.exe
3680 cmmon32.exe
3680 cmmon32.exe

pid	process
820	Explorer.EXE

pid	process
1688	cmd.exe
1688	cmd.exe
1688	cmd.exe
3680	cmmon32.exe
3680	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

Processes:

cmd.exeExplorer.EXEcmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1688	cmd.exe
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeDebugPrivilege	3680	cmmon32.exe
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

820 Explorer.EXE
820 Explorer.EXE

pid	process
820	Explorer.EXE
820	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1340 wrote to memory of 1688	1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe	cmd.exe
PID 1340 wrote to memory of 1688	1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe	cmd.exe
PID 1340 wrote to memory of 1688	1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe	cmd.exe
PID 1340 wrote to memory of 1688	1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe	cmd.exe
PID 1340 wrote to memory of 1688	1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe	cmd.exe
PID 1340 wrote to memory of 1688	1340	Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe	cmd.exe
PID 820 wrote to memory of 3680	820	Explorer.EXE	cmmon32.exe
PID 820 wrote to memory of 3680	820	Explorer.EXE	cmmon32.exe
PID 820 wrote to memory of 3680	820	Explorer.EXE	cmmon32.exe
PID 3680 wrote to memory of 2960	3680	cmmon32.exe	cmd.exe
PID 3680 wrote to memory of 2960	3680	cmmon32.exe	cmd.exe
PID 3680 wrote to memory of 2960	3680	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:820

C:\Users\Admin\AppData\Local\Temp\Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe
"C:\Users\Admin\AppData\Local\Temp\Jljvzkwkajrxpwstjmkmcplxflanzapxsi.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1688

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3164

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:3680

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\cmd.exe"
3⤵
PID:2960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/820-189-0x0000000008010000-0x0000000008130000-memory.dmp

Filesize
1.1MB

Download
memory/820-199-0x00000000029B0000-0x0000000002A5F000-memory.dmp

Filesize
700KB

Download
memory/820-197-0x00000000029B0000-0x0000000002A5F000-memory.dmp

Filesize
700KB

Download
memory/1340-147-0x0000000050410000-0x000000005043F000-memory.dmp

Filesize
188KB

Download
memory/1688-191-0x0000000050410000-0x000000005043F000-memory.dmp

Filesize
188KB

Download
memory/1688-145-0x0000000000000000-mapping.dmp

Download
memory/1688-188-0x00000000010F0000-0x0000000001104000-memory.dmp

Filesize
80KB

Download
memory/1688-187-0x00000000018D0000-0x0000000001C1A000-memory.dmp

Filesize
3.3MB

Download
memory/2960-192-0x0000000000000000-mapping.dmp

Download
memory/3680-190-0x0000000000000000-mapping.dmp

Download
memory/3680-193-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/3680-194-0x0000000002720000-0x0000000002A6A000-memory.dmp

Filesize
3.3MB

Download
memory/3680-195-0x0000000000850000-0x000000000087F000-memory.dmp

Filesize
188KB

Download
memory/3680-196-0x0000000002560000-0x00000000025F3000-memory.dmp

Filesize
588KB

Download
memory/3680-198-0x0000000000850000-0x000000000087F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads