formbook | be2d13c0a69ec836fb9e404b03dbfa04d7adb067ff00bda1375182dcc6bffa6f

General

Target

Perfil de empresa y solicitud de pedido-pdf.exe
Size

817KB
MD5

934b4aa04d107f3f1e4df18c1f4602c0
SHA1

78fd7a3ff4d72fc10dc2580ed51107d378a3917b
SHA256

be2d13c0a69ec836fb9e404b03dbfa04d7adb067ff00bda1375182dcc6bffa6f
SHA512

3071bea94409178dfc0a4d2107f435403bd1842ad6d899e933fbd8642aaa6f65d03fd6d4c0b0263b8c95ab4a42c594e9e5c4e1f72c26855529dd89feb4ebdc04
SSDEEP

24576:NuxnYfyuqYOEzbPDzse2IWZDNjpg2IRezTZ:Qh+yuOI0z9lNjp8RkZ

Score

10^/10

formbook guloader il23 discovery downloader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

il23

Decoy

woodlandwoodworking.net

kitchen-deals-69155.com

hiddendia.xyz

xelaxaste.uk

sproutstrive.com

avlulu124.xyz

g-starnetwork.com

a-avdeeva.com

filmart.top

bustime411.com

besyor.xyz

joulex.live

christmastempjobsfinder.life

cxrh-official.com

themuzzy.co.uk

joshisarena.africa

dental4family.com

dietsandsixpacks.co.uk

innovativedigest.com

flyingphoenix.club

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/668-70-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/668-78-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1360-81-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1360-83-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Perfil de empresa y solicitud de pedido-pdf.exePerfil de empresa y solicitud de pedido-pdf.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	Perfil de empresa y solicitud de pedido-pdf.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	Perfil de empresa y solicitud de pedido-pdf.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1304 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exe

pid process

2000 Perfil de empresa y solicitud de pedido-pdf.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exe

pid process

668 Perfil de empresa y solicitud de pedido-pdf.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exePerfil de empresa y solicitud de pedido-pdf.exe

pid process

2000 Perfil de empresa y solicitud de pedido-pdf.exe
668 Perfil de empresa y solicitud de pedido-pdf.exe

pid	process
1304	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exePerfil de empresa y solicitud de pedido-pdf.exeraserver.exe

description	pid	process	target process
PID 2000 set thread context of 668	2000	Perfil de empresa y solicitud de pedido-pdf.exe	Perfil de empresa y solicitud de pedido-pdf.exe
PID 668 set thread context of 1252	668	Perfil de empresa y solicitud de pedido-pdf.exe	Explorer.EXE
PID 1360 set thread context of 1252	1360	raserver.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

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exeraserver.exe

pid	process
668	Perfil de empresa y solicitud de pedido-pdf.exe
668	Perfil de empresa y solicitud de pedido-pdf.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe
1360	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE

pid	process
1252	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exePerfil de empresa y solicitud de pedido-pdf.exeraserver.exe

pid	process
2000	Perfil de empresa y solicitud de pedido-pdf.exe
668	Perfil de empresa y solicitud de pedido-pdf.exe
668	Perfil de empresa y solicitud de pedido-pdf.exe
668	Perfil de empresa y solicitud de pedido-pdf.exe
1360	raserver.exe
1360	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exeExplorer.EXEraserver.exe

description	pid	process
Token: SeDebugPrivilege	668	Perfil de empresa y solicitud de pedido-pdf.exe
Token: SeShutdownPrivilege	1252	Explorer.EXE
Token: SeDebugPrivilege	1360	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
1252 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
1252 Explorer.EXE

pid	process
1252	Explorer.EXE
1252	Explorer.EXE

pid	process
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Perfil de empresa y solicitud de pedido-pdf.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 2000 wrote to memory of 668	2000	Perfil de empresa y solicitud de pedido-pdf.exe	Perfil de empresa y solicitud de pedido-pdf.exe
PID 2000 wrote to memory of 668	2000	Perfil de empresa y solicitud de pedido-pdf.exe	Perfil de empresa y solicitud de pedido-pdf.exe
PID 2000 wrote to memory of 668	2000	Perfil de empresa y solicitud de pedido-pdf.exe	Perfil de empresa y solicitud de pedido-pdf.exe
PID 2000 wrote to memory of 668	2000	Perfil de empresa y solicitud de pedido-pdf.exe	Perfil de empresa y solicitud de pedido-pdf.exe
PID 2000 wrote to memory of 668	2000	Perfil de empresa y solicitud de pedido-pdf.exe	Perfil de empresa y solicitud de pedido-pdf.exe
PID 1252 wrote to memory of 1360	1252	Explorer.EXE	raserver.exe
PID 1252 wrote to memory of 1360	1252	Explorer.EXE	raserver.exe
PID 1252 wrote to memory of 1360	1252	Explorer.EXE	raserver.exe
PID 1252 wrote to memory of 1360	1252	Explorer.EXE	raserver.exe
PID 1360 wrote to memory of 1304	1360	raserver.exe	cmd.exe
PID 1360 wrote to memory of 1304	1360	raserver.exe	cmd.exe
PID 1360 wrote to memory of 1304	1360	raserver.exe	cmd.exe
PID 1360 wrote to memory of 1304	1360	raserver.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Perfil de empresa y solicitud de pedido-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Perfil de empresa y solicitud de pedido-pdf.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2000

C:\Users\Admin\AppData\Local\Temp\Perfil de empresa y solicitud de pedido-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Perfil de empresa y solicitud de pedido-pdf.exe"
2⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Perfil de empresa y solicitud de pedido-pdf.exe"
3⤵
- Deletes itself
PID:1304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nst2B66.tmp\System.dll
Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/668-75-0x0000000001470000-0x000000000363D000-memory.dmp

Filesize
33.8MB

Download
memory/668-78-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/668-76-0x0000000001470000-0x000000000363D000-memory.dmp

Filesize
33.8MB

Download
memory/668-66-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/668-67-0x0000000001470000-0x000000000363D000-memory.dmp

Filesize
33.8MB

Download
memory/668-68-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/668-70-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/668-71-0x0000000001470000-0x000000000363D000-memory.dmp

Filesize
33.8MB

Download
memory/668-72-0x0000000033870000-0x0000000033B73000-memory.dmp

Filesize
3.0MB

Download
memory/668-73-0x0000000033770000-0x0000000033784000-memory.dmp

Filesize
80KB

Download
memory/1252-74-0x0000000006AE0000-0x0000000006C83000-memory.dmp

Filesize
1.6MB

Download
memory/1252-86-0x0000000007210000-0x0000000007375000-memory.dmp

Filesize
1.4MB

Download
memory/1252-87-0x0000000007210000-0x0000000007375000-memory.dmp

Filesize
1.4MB

Download
memory/1252-90-0x0000000007210000-0x0000000007375000-memory.dmp

Filesize
1.4MB

Download
memory/1360-77-0x0000000000510000-0x000000000052C000-memory.dmp

Filesize
112KB

Download
memory/1360-80-0x0000000000510000-0x000000000052C000-memory.dmp

Filesize
112KB

Download
memory/1360-81-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1360-82-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/1360-83-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1360-85-0x0000000000530000-0x00000000005C3000-memory.dmp

Filesize
588KB

Download
memory/2000-65-0x0000000003060000-0x000000000522D000-memory.dmp

Filesize
33.8MB

Download
memory/2000-64-0x0000000003060000-0x000000000522D000-memory.dmp

Filesize
33.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads