formbook | 8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
21-06-2024 05:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

DHL ARRIVAL DOCUMENTS.pdf.exe
Size

1.1MB
MD5

45559d099e47318b998071ce98c83ac9
SHA1

86556702141afe1888663f3aefd4eaeae8800579
SHA256

8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee
SHA512

513a69fd7677e5abeefc8514c49a2daf2a073b7a1bd1396997eae31342294c8eb7bfbfad69a7f357ec624c15150d9a4d5c71f8ce44b15827bfcdb13e502379bd
SSDEEP

24576:OAHnh+eWsN3skA4RV1Hom2KXMmHazRgNMfM6hkjVQPn75:5h+ZkldoPK8YazqNMk6h2VQP9

Score

10^/10

formbook rn94 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.xyz

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
behavioral2/memory/5052-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5052-31-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1540-37-0x0000000000D10000-0x0000000000D3F000-memory.dmp	formbook

Drops startup file 1 IoCs

Processes:

name.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs name.exe
Executes dropped EXE 1 IoCs

Processes:

name.exe

pid process

2024 name.exe
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.

Processes:

resource yara_rule

C:\Users\Admin\AppData\Local\directory\name.exe autoit_exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

pid	process
2024	name.exe

resource	yara_rule
C:\Users\Admin\AppData\Local\directory\name.exe	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

name.exesvchost.exeexplorer.exe

description	pid	process	target process
PID 2024 set thread context of 5052	2024	name.exe	svchost.exe
PID 5052 set thread context of 3440	5052	svchost.exe	Explorer.EXE
PID 1540 set thread context of 3440	1540	explorer.exe	Explorer.EXE

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-1-5-21-3169499791-3545231813-3156325206-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exeexplorer.exe

pid	process
5052	svchost.exe
5052	svchost.exe
5052	svchost.exe
5052	svchost.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe
1540	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

name.exesvchost.exeexplorer.exe

pid process

2024 name.exe
5052 svchost.exe
5052 svchost.exe
5052 svchost.exe
1540 explorer.exe
1540 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 5052 svchost.exe
Token: SeDebugPrivilege 1540 explorer.exe
Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

DHL ARRIVAL DOCUMENTS.pdf.exename.exeExplorer.EXE

pid process

216 DHL ARRIVAL DOCUMENTS.pdf.exe
216 DHL ARRIVAL DOCUMENTS.pdf.exe
2024 name.exe
2024 name.exe
3440 Explorer.EXE
3440 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

DHL ARRIVAL DOCUMENTS.pdf.exename.exe

pid process

216 DHL ARRIVAL DOCUMENTS.pdf.exe
216 DHL ARRIVAL DOCUMENTS.pdf.exe
2024 name.exe
2024 name.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3440 Explorer.EXE

pid	process
2024	name.exe
5052	svchost.exe
5052	svchost.exe
5052	svchost.exe
1540	explorer.exe
1540	explorer.exe

description	pid	process
Token: SeDebugPrivilege	5052	svchost.exe
Token: SeDebugPrivilege	1540	explorer.exe

pid	process
216	DHL ARRIVAL DOCUMENTS.pdf.exe
216	DHL ARRIVAL DOCUMENTS.pdf.exe
2024	name.exe
2024	name.exe
3440	Explorer.EXE
3440	Explorer.EXE

pid	process
216	DHL ARRIVAL DOCUMENTS.pdf.exe
216	DHL ARRIVAL DOCUMENTS.pdf.exe
2024	name.exe
2024	name.exe

pid	process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL ARRIVAL DOCUMENTS.pdf.exename.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 216 wrote to memory of 2024	216	DHL ARRIVAL DOCUMENTS.pdf.exe	name.exe
PID 216 wrote to memory of 2024	216	DHL ARRIVAL DOCUMENTS.pdf.exe	name.exe
PID 216 wrote to memory of 2024	216	DHL ARRIVAL DOCUMENTS.pdf.exe	name.exe
PID 2024 wrote to memory of 5052	2024	name.exe	svchost.exe
PID 2024 wrote to memory of 5052	2024	name.exe	svchost.exe
PID 2024 wrote to memory of 5052	2024	name.exe	svchost.exe
PID 2024 wrote to memory of 5052	2024	name.exe	svchost.exe
PID 3440 wrote to memory of 1540	3440	Explorer.EXE	explorer.exe
PID 3440 wrote to memory of 1540	3440	Explorer.EXE	explorer.exe
PID 3440 wrote to memory of 1540	3440	Explorer.EXE	explorer.exe
PID 1540 wrote to memory of 3028	1540	explorer.exe	cmd.exe
PID 1540 wrote to memory of 3028	1540	explorer.exe	cmd.exe
PID 1540 wrote to memory of 3028	1540	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3440

C:\Users\Admin\AppData\Local\Temp\DHL ARRIVAL DOCUMENTS.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL ARRIVAL DOCUMENTS.pdf.exe"
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:216

C:\Users\Admin\AppData\Local\directory\name.exe
"C:\Users\Admin\AppData\Local\Temp\DHL ARRIVAL DOCUMENTS.pdf.exe"
3⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\DHL ARRIVAL DOCUMENTS.pdf.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5052

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2132

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
3⤵
PID:3028

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\croc
Filesize
185KB

MD5
bf61f4f7c8708b52a3b1b521078a85c0

SHA1
b0d7341280ebf0ba2f9fee6740f33c38d0ed6e64

SHA256
aa8b65c4f75b4adb73acf1650a0cfa046cff03314ff3b39ec590500aa2ea7544

SHA512
e2f68a6411be304d559497dcaf5b4ba9f25d088628c53e8dd13d261483900b0b777fa0ec5147c4446a6c3ee92f7fbf6a2e608aa168a863707bfd82f30f69fe6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\plainstones
Filesize
28KB

MD5
9eabb5a496a22a398b67c79a80466906

SHA1
cbfdce5ab1cdb43dc9104287b6e7b502777563d5

SHA256
ffa491b2a80ed4d7d4e167f548ff891f8a90a8ed9e5d503cfe868fc05c16065c

SHA512
e87a88aaeb55c62dad4aff9249ae18021918d872bd75629c5a681397f8107e97b2f4dd35ae5871c0bc6d78adb87a3b64fd25024034362adf59d14ae4b8a20b32

Download Submit
C:\Users\Admin\AppData\Local\directory\name.exe
Filesize
1.1MB

MD5
45559d099e47318b998071ce98c83ac9

SHA1
86556702141afe1888663f3aefd4eaeae8800579

SHA256
8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee

SHA512
513a69fd7677e5abeefc8514c49a2daf2a073b7a1bd1396997eae31342294c8eb7bfbfad69a7f357ec624c15150d9a4d5c71f8ce44b15827bfcdb13e502379bd

Download Submit
memory/216-10-0x0000000002870000-0x0000000002874000-memory.dmp

Filesize
16KB

Download
memory/1540-34-0x0000000000E90000-0x00000000012C3000-memory.dmp

Filesize
4.2MB

Download
memory/1540-36-0x0000000000E90000-0x00000000012C3000-memory.dmp

Filesize
4.2MB

Download
memory/1540-37-0x0000000000D10000-0x0000000000D3F000-memory.dmp

Filesize
188KB

Download
memory/3440-33-0x00000000086A0000-0x0000000008820000-memory.dmp

Filesize
1.5MB

Download
memory/3440-40-0x00000000086A0000-0x0000000008820000-memory.dmp

Filesize
1.5MB

Download
memory/3440-42-0x00000000089B0000-0x0000000008A64000-memory.dmp

Filesize
720KB

Download
memory/5052-29-0x0000000001A00000-0x0000000001D4A000-memory.dmp

Filesize
3.3MB

Download
memory/5052-32-0x00000000017D0000-0x00000000017E5000-memory.dmp

Filesize
84KB

Download
memory/5052-31-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5052-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download