formbook | 8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee

Analysis

max time kernel
155s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-06-2024 01:21

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General

Target

8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.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/1756-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1756-31-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3784-37-0x00000000008F0000-0x000000000091F000-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

688 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
688	name.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

name.exesvchost.exeraserver.exe

description	pid	process	target process
PID 688 set thread context of 1756	688	name.exe	svchost.exe
PID 1756 set thread context of 3156	1756	svchost.exe	Explorer.EXE
PID 3784 set thread context of 3156	3784	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exeraserver.exe

pid	process
1756	svchost.exe
1756	svchost.exe
1756	svchost.exe
1756	svchost.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe
3784	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

name.exesvchost.exeraserver.exe

pid process

688 name.exe
1756 svchost.exe
1756 svchost.exe
1756 svchost.exe
3784 raserver.exe
3784 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeraserver.exe

description pid process

Token: SeDebugPrivilege 1756 svchost.exe
Token: SeDebugPrivilege 3784 raserver.exe

pid	process
688	name.exe
1756	svchost.exe
1756	svchost.exe
1756	svchost.exe
3784	raserver.exe
3784	raserver.exe

description	pid	process
Token: SeDebugPrivilege	1756	svchost.exe
Token: SeDebugPrivilege	3784	raserver.exe

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exename.exeExplorer.EXE

pid	process
380	8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe
380	8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe
688	name.exe
688	name.exe
3156	Explorer.EXE
3156	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exename.exe

pid process

380 8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe
380 8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe
688 name.exe
688 name.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exename.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 380 wrote to memory of 688	380	8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe	name.exe
PID 380 wrote to memory of 688	380	8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe	name.exe
PID 380 wrote to memory of 688	380	8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe	name.exe
PID 688 wrote to memory of 1756	688	name.exe	svchost.exe
PID 688 wrote to memory of 1756	688	name.exe	svchost.exe
PID 688 wrote to memory of 1756	688	name.exe	svchost.exe
PID 688 wrote to memory of 1756	688	name.exe	svchost.exe
PID 3156 wrote to memory of 3784	3156	Explorer.EXE	raserver.exe
PID 3156 wrote to memory of 3784	3156	Explorer.EXE	raserver.exe
PID 3156 wrote to memory of 3784	3156	Explorer.EXE	raserver.exe
PID 3784 wrote to memory of 1860	3784	raserver.exe	cmd.exe
PID 3784 wrote to memory of 1860	3784	raserver.exe	cmd.exe
PID 3784 wrote to memory of 1860	3784	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3156

C:\Users\Admin\AppData\Local\Temp\8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe
"C:\Users\Admin\AppData\Local\Temp\8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe"
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:380

C:\Users\Admin\AppData\Local\directory\name.exe
"C:\Users\Admin\AppData\Local\Temp\8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.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:688

C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\8973790929fbbd34ff29fb50b887dec10d68f8fcefc5050d6ec78dc88a64b5ee.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1756

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:3784

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
3⤵
PID:1860

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4612 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:4908

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\croc
Filesize
64KB

MD5
242213e71914fbf0d0bc7d0beba4042d

SHA1
e8402d9ad0403f32ad145ba22ecd16deddb732a0

SHA256
d8dd1d5c99541c84c20323cec3e16369dceb36cf00947cdf5eda66cc89ac6a12

SHA512
6ed606aa3920e1a5db5b22e00be84bfa982e923afc678bbe778c7d8aeee8cf7184a500a981077ce7b703dde3b7be9f713ed62aa3ba4e7763c5404a5e9c8eee13

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/380-10-0x0000000001920000-0x0000000001924000-memory.dmp

Filesize
16KB

Download
memory/1756-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1756-29-0x0000000001300000-0x000000000164A000-memory.dmp

Filesize
3.3MB

Download
memory/1756-31-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1756-32-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/3156-33-0x00000000083E0000-0x00000000084B5000-memory.dmp

Filesize
852KB

Download
memory/3156-39-0x00000000083E0000-0x00000000084B5000-memory.dmp

Filesize
852KB

Download
memory/3156-42-0x0000000008C50000-0x0000000008D87000-memory.dmp

Filesize
1.2MB

Download
memory/3156-43-0x0000000008C50000-0x0000000008D87000-memory.dmp

Filesize
1.2MB

Download
memory/3156-46-0x0000000008C50000-0x0000000008D87000-memory.dmp

Filesize
1.2MB

Download
memory/3784-34-0x0000000000B70000-0x0000000000B8F000-memory.dmp

Filesize
124KB

Download
memory/3784-36-0x0000000000B70000-0x0000000000B8F000-memory.dmp

Filesize
124KB

Download
memory/3784-37-0x00000000008F0000-0x000000000091F000-memory.dmp

Filesize
188KB

Download