formbook | d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2023, 18:32

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General

Target

d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe
Size

835KB
MD5

33ffe47617ab65e5fbb0b2eedf0b5b4e
SHA1

394351007b7fa83b84a30c66b84083ba9af66410
SHA256

d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f
SHA512

b73e46c09c42c4196299e4787652991de3cc61ee869833a4b241d1222bbfbab9bd31e59533835a57fb15d221891ceac387d5a8e97cff918046fc84d81cdbe0cf
SSDEEP

24576:mk70TrcKMs8ftsubdunEtMif2Fo0VANdUKsm1:mkQTAZsubdunDif2F9Agw

Score

10^/10

formbook bz24 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bz24

Decoy

paltran.com

convadesolutions.com

smyx9b.work

friggerio.com

jndyfjc.com

dm4im2q2.top

adamloweforpresident2020.com

grvtyindustries.com

lovelycacau.com

seqizi.net

xisl88.com

dateknightdelivered.com

celebsmoaic.online

patriciolawnlandscapellc.com

liqq.asia

solutions4educators.com

hybridrate.com

newseza.com

enfejbaz9jdfthea.click

bergstromchevymadison.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4376-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4376-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1240-17-0x0000000000AC0000-0x0000000000AEF000-memory.dmp	formbook
behavioral2/memory/1240-19-0x0000000000AC0000-0x0000000000AEF000-memory.dmp	formbook

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/2648-0-0x0000000004E10000-0x0000000004ECA000-memory.dmp	net_reactor
behavioral2/memory/2648-4-0x0000000004D40000-0x0000000004DF8000-memory.dmp	net_reactor

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 4376 set thread context of 772	4376	caspol.exe	58
PID 1240 set thread context of 772	1240	help.exe	58

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
4376	caspol.exe
4376	caspol.exe
4376	caspol.exe
4376	caspol.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
772	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4376	caspol.exe
4376	caspol.exe
4376	caspol.exe
1240	help.exe
1240	help.exe
1240	help.exe
1240	help.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	caspol.exe
Token: SeDebugPrivilege	1240	help.exe
Token: SeShutdownPrivilege	772	Explorer.EXE
Token: SeCreatePagefilePrivilege	772	Explorer.EXE
Token: SeShutdownPrivilege	772	Explorer.EXE
Token: SeCreatePagefilePrivilege	772	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
772	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 2648 wrote to memory of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 2648 wrote to memory of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 2648 wrote to memory of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 2648 wrote to memory of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 2648 wrote to memory of 4376	2648	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	87
PID 772 wrote to memory of 1240	772	Explorer.EXE	88
PID 772 wrote to memory of 1240	772	Explorer.EXE	88
PID 772 wrote to memory of 1240	772	Explorer.EXE	88
PID 1240 wrote to memory of 3204	1240	help.exe	96
PID 1240 wrote to memory of 3204	1240	help.exe	96
PID 1240 wrote to memory of 3204	1240	help.exe	96
PID 1240 wrote to memory of 4840	1240	help.exe	100
PID 1240 wrote to memory of 4840	1240	help.exe	100
PID 1240 wrote to memory of 4840	1240	help.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:772
- C:\Users\Admin\AppData\Local\Temp\d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4376
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    PID:3204
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogim.jpeg

Filesize
78KB

MD5
6c3f18e9e2fdc221b155cd329ed9d99b

SHA1
c4a215786f8de627fc696e5c1333940ced218f50

SHA256
3df9373667ad298d022f3b6c7ce1593640dba260fcad07ffb3d2e013a2ff8d91

SHA512
f066943a7850e315b00ed129f5552fa3168d6275a0c0baa939f7da25aacc34535cd17c14cfe20e5f47fd91307af27fb3fedc3a88741f866328f8981a4fe6f80f

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/772-14-0x0000000008410000-0x000000000852A000-memory.dmp

Filesize
1.1MB

Download
memory/772-40-0x00000000088D0000-0x00000000089DD000-memory.dmp

Filesize
1.1MB

Download
memory/772-38-0x00000000088D0000-0x00000000089DD000-memory.dmp

Filesize
1.1MB

Download
memory/772-37-0x00000000088D0000-0x00000000089DD000-memory.dmp

Filesize
1.1MB

Download
memory/772-33-0x0000000008410000-0x000000000852A000-memory.dmp

Filesize
1.1MB

Download
memory/1240-16-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1240-36-0x0000000001030000-0x00000000010C4000-memory.dmp

Filesize
592KB

Download
memory/1240-15-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1240-19-0x0000000000AC0000-0x0000000000AEF000-memory.dmp

Filesize
188KB

Download
memory/1240-17-0x0000000000AC0000-0x0000000000AEF000-memory.dmp

Filesize
188KB

Download
memory/1240-18-0x0000000001250000-0x000000000159A000-memory.dmp

Filesize
3.3MB

Download
memory/2648-1-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2648-9-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2648-6-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/2648-5-0x00000000025E0000-0x00000000025EA000-memory.dmp

Filesize
40KB

Download
memory/2648-4-0x0000000004D40000-0x0000000004DF8000-memory.dmp

Filesize
736KB

Download
memory/2648-3-0x0000000004ED0000-0x0000000005474000-memory.dmp

Filesize
5.6MB

Download
memory/2648-2-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/2648-0-0x0000000004E10000-0x0000000004ECA000-memory.dmp

Filesize
744KB

Download
memory/4376-13-0x0000000001BD0000-0x0000000001BE5000-memory.dmp

Filesize
84KB

Download
memory/4376-10-0x0000000001760000-0x0000000001AAA000-memory.dmp

Filesize
3.3MB

Download
memory/4376-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4376-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download