formbook | e9c2049ebaa1664254905bf3d5ba58d7d5b09bf3a261c157f47acb0a44d9c4bb

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 10:59

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General

Target

DHL AWB DOCUMENT.pdf.exe
Size

1.1MB
MD5

5739a45063bad290793d71173c297aca
SHA1

d60a385177c8955916948f88057fe5740c668238
SHA256

e9c2049ebaa1664254905bf3d5ba58d7d5b09bf3a261c157f47acb0a44d9c4bb
SHA512

439902ba158876e90ff7d0cd8f0b3fe7d1bed10cb6a990b4f3d0e8a9ee88a953d33b3137f4727e079371ea1061507200162c984902d10ab830f7abf4e561b76a
SSDEEP

24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaS5vpvus6vqVluK4n5:xh+ZkldoPK8YaSuZ

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/4988-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4988-31-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2960-36-0x0000000000FA0000-0x0000000000FCF000-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

1048 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
1048	name.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

name.exesvchost.execmstp.exe

description	pid	process	target process
PID 1048 set thread context of 4988	1048	name.exe	svchost.exe
PID 4988 set thread context of 3364	4988	svchost.exe	Explorer.EXE
PID 2960 set thread context of 3364	2960	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 59 IoCs

Processes:

svchost.execmstp.exe

pid	process
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

name.exesvchost.execmstp.exe

pid process

1048 name.exe
4988 svchost.exe
4988 svchost.exe
4988 svchost.exe
2960 cmstp.exe
2960 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.execmstp.exe

description pid process

Token: SeDebugPrivilege 4988 svchost.exe
Token: SeDebugPrivilege 2960 cmstp.exe
Suspicious use of FindShellTrayWindow 7 IoCs

Processes:

DHL AWB DOCUMENT.pdf.exename.exeExplorer.EXE

pid process

3012 DHL AWB DOCUMENT.pdf.exe
3012 DHL AWB DOCUMENT.pdf.exe
3012 DHL AWB DOCUMENT.pdf.exe
1048 name.exe
1048 name.exe
3364 Explorer.EXE
3364 Explorer.EXE
Suspicious use of SendNotifyMessage 5 IoCs

Processes:

DHL AWB DOCUMENT.pdf.exename.exe

pid process

3012 DHL AWB DOCUMENT.pdf.exe
3012 DHL AWB DOCUMENT.pdf.exe
3012 DHL AWB DOCUMENT.pdf.exe
1048 name.exe
1048 name.exe

pid	process
1048	name.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
2960	cmstp.exe
2960	cmstp.exe

description	pid	process
Token: SeDebugPrivilege	4988	svchost.exe
Token: SeDebugPrivilege	2960	cmstp.exe

pid	process
3012	DHL AWB DOCUMENT.pdf.exe
3012	DHL AWB DOCUMENT.pdf.exe
3012	DHL AWB DOCUMENT.pdf.exe
1048	name.exe
1048	name.exe
3364	Explorer.EXE
3364	Explorer.EXE

pid	process
3012	DHL AWB DOCUMENT.pdf.exe
3012	DHL AWB DOCUMENT.pdf.exe
3012	DHL AWB DOCUMENT.pdf.exe
1048	name.exe
1048	name.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL AWB DOCUMENT.pdf.exename.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3012 wrote to memory of 1048	3012	DHL AWB DOCUMENT.pdf.exe	name.exe
PID 3012 wrote to memory of 1048	3012	DHL AWB DOCUMENT.pdf.exe	name.exe
PID 3012 wrote to memory of 1048	3012	DHL AWB DOCUMENT.pdf.exe	name.exe
PID 1048 wrote to memory of 4988	1048	name.exe	svchost.exe
PID 1048 wrote to memory of 4988	1048	name.exe	svchost.exe
PID 1048 wrote to memory of 4988	1048	name.exe	svchost.exe
PID 1048 wrote to memory of 4988	1048	name.exe	svchost.exe
PID 3364 wrote to memory of 2960	3364	Explorer.EXE	cmstp.exe
PID 3364 wrote to memory of 2960	3364	Explorer.EXE	cmstp.exe
PID 3364 wrote to memory of 2960	3364	Explorer.EXE	cmstp.exe
PID 2960 wrote to memory of 5112	2960	cmstp.exe	cmd.exe
PID 2960 wrote to memory of 5112	2960	cmstp.exe	cmd.exe
PID 2960 wrote to memory of 5112	2960	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3364

C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCUMENT.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCUMENT.pdf.exe"
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3012

C:\Users\Admin\AppData\Local\directory\name.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCUMENT.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:1048

C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCUMENT.pdf.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4988

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
3⤵
PID:5112

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=1312 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3496

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\contrapose
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5
b59bdea0aa2748e1e9f4d024f74fd53d

SHA1
ec7260be20d792b528db9a7e301f3efa0921f66d

SHA256
8a40dc512d04af7111b25a549923d09910d045006f9e213f74c709da2cdcb3b1

SHA512
ce730ec34e899c6914464884b800700ca16f845252166f2d6bf4bfe2fbf44b8736fb9b5127ec03f9affadc449d513d0ab64e1d4f93458aaf9b7e44461308e56a

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

MD5
5739a45063bad290793d71173c297aca

SHA1
d60a385177c8955916948f88057fe5740c668238

SHA256
e9c2049ebaa1664254905bf3d5ba58d7d5b09bf3a261c157f47acb0a44d9c4bb

SHA512
439902ba158876e90ff7d0cd8f0b3fe7d1bed10cb6a990b4f3d0e8a9ee88a953d33b3137f4727e079371ea1061507200162c984902d10ab830f7abf4e561b76a

Download Submit
memory/2960-34-0x0000000000200000-0x0000000000216000-memory.dmp

Filesize
88KB

Download
memory/2960-36-0x0000000000FA0000-0x0000000000FCF000-memory.dmp

Filesize
188KB

Download
memory/2960-35-0x0000000000200000-0x0000000000216000-memory.dmp

Filesize
88KB

Download
memory/3012-10-0x0000000001B40000-0x0000000001B44000-memory.dmp

Filesize
16KB

Download
memory/3364-38-0x0000000007FF0000-0x00000000080EF000-memory.dmp

Filesize
1020KB

Download
memory/3364-33-0x0000000007FF0000-0x00000000080EF000-memory.dmp

Filesize
1020KB

Download
memory/3364-41-0x00000000028E0000-0x000000000299B000-memory.dmp

Filesize
748KB

Download
memory/3364-42-0x00000000028E0000-0x000000000299B000-memory.dmp

Filesize
748KB

Download
memory/3364-45-0x00000000028E0000-0x000000000299B000-memory.dmp

Filesize
748KB

Download
memory/4988-31-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4988-32-0x0000000001690000-0x00000000016A5000-memory.dmp

Filesize
84KB

Download
memory/4988-29-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/4988-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download