formbook | 87ad690dacfe8e2be2c9282c560eabc774b53c364d978236ce4a3f275f0d0fbb

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2023 01:01

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General

Target

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe
Size

586KB
MD5

0e17be44ab5949aa7e8c435c724d7fe4
SHA1

1ecd4bc58605af6eb4566fc14df40275523dbe8b
SHA256

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557
SHA512

c766ae02363a7935da65d5173abd1a9a6371d258a6f323bbfb6a8e785c503c39a4cd945b85febe2acbbeced309678cc77511433e366e0215b121133cb85cc536
SSDEEP

12288:NHTZxe6aa8B9y8y04ogPZn96ryMj4+7hBQarT:NHNxe6r04hnQ9B

Score

10^/10

formbook m82 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m82

Decoy

jamesdevereux.com

artificialturfminneapolis.com

hongmeiyan.com

lojaderoupasbr.com

yit.africa

austinrelocationexpert.com

saiva.page

exitsategy.com

chochonux.com

klosterbraeu-unterliezheim.com

byseymanur.com

sblwarwickshire.co.uk

brazimaid.com

ciogame.com

bronzesailing.com

dwkapl.xyz

022dyd.com

compassandpathwriting.com

alphabet1x.com

selfcleaninghairbrush.co.uk

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4400-146-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4400-165-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2692-193-0x0000000000E20000-0x0000000000E4F000-memory.dmp	formbook
behavioral2/memory/2692-197-0x0000000000E20000-0x0000000000E4F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exeRegSvcs.exerundll32.exe

description	pid	process	target process
PID 4932 set thread context of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 4400 set thread context of 3184	4400	RegSvcs.exe	Explorer.EXE
PID 2692 set thread context of 3184	2692	rundll32.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

528 schtasks.exe

pid	process
528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exepowershell.exeRegSvcs.exerundll32.exe

pid	process
4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe
4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe
5080	powershell.exe
4400	RegSvcs.exe
4400	RegSvcs.exe
4400	RegSvcs.exe
4400	RegSvcs.exe
5080	powershell.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3184 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exerundll32.exe

pid process

4400 RegSvcs.exe
4400 RegSvcs.exe
4400 RegSvcs.exe
2692 rundll32.exe
2692 rundll32.exe

pid	process
3184	Explorer.EXE

pid	process
4400	RegSvcs.exe
4400	RegSvcs.exe
4400	RegSvcs.exe
2692	rundll32.exe
2692	rundll32.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exepowershell.exeRegSvcs.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe
Token: SeDebugPrivilege	5080	powershell.exe
Token: SeDebugPrivilege	4400	RegSvcs.exe
Token: SeDebugPrivilege	2692	rundll32.exe
Token: SeShutdownPrivilege	3184	Explorer.EXE
Token: SeCreatePagefilePrivilege	3184	Explorer.EXE
Token: SeShutdownPrivilege	3184	Explorer.EXE
Token: SeCreatePagefilePrivilege	3184	Explorer.EXE
Token: SeShutdownPrivilege	3184	Explorer.EXE
Token: SeCreatePagefilePrivilege	3184	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 4932 wrote to memory of 5080	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	powershell.exe
PID 4932 wrote to memory of 5080	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	powershell.exe
PID 4932 wrote to memory of 5080	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	powershell.exe
PID 4932 wrote to memory of 528	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	schtasks.exe
PID 4932 wrote to memory of 528	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	schtasks.exe
PID 4932 wrote to memory of 528	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	schtasks.exe
PID 4932 wrote to memory of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 4932 wrote to memory of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 4932 wrote to memory of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 4932 wrote to memory of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 4932 wrote to memory of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 4932 wrote to memory of 4400	4932	c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe	RegSvcs.exe
PID 3184 wrote to memory of 2692	3184	Explorer.EXE	rundll32.exe
PID 3184 wrote to memory of 2692	3184	Explorer.EXE	rundll32.exe
PID 3184 wrote to memory of 2692	3184	Explorer.EXE	rundll32.exe
PID 2692 wrote to memory of 1536	2692	rundll32.exe	cmd.exe
PID 2692 wrote to memory of 1536	2692	rundll32.exe	cmd.exe
PID 2692 wrote to memory of 1536	2692	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3184

C:\Users\Admin\AppData\Local\Temp\c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe
"C:\Users\Admin\AppData\Local\Temp\c1a8208a8af8fb2ab397e586ea8a7f265921e6f21eb592af42a8f5c805d18557.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TOgHWtRrFhnWSR.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TOgHWtRrFhnWSR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39EC.tmp"
3⤵
- Creates scheduled task(s)
PID:528

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4400

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yu311i4b.lmc.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp39EC.tmp
Filesize
1KB

MD5
5d62bb428e8d36ad5bb0a5a290d5051c

SHA1
ccd50ffa986f92042ab4559c99e3785d873e7b49

SHA256
5e316f408a134e8a0f69280439440f96b4aee93fee42f8cfce06e89c96b605a6

SHA512
2e7646124f5a3e0fd40ccd3e302a6624ce25ccda9c12b6eb3795b8c4c40a5bfe9f2dd18e96d043a749cb8975ba4c0d7b256738979103809836232dbb9b68870d

Download Submit
memory/2692-199-0x0000000002B50000-0x0000000002BE4000-memory.dmp

Filesize
592KB

Download
memory/2692-197-0x0000000000E20000-0x0000000000E4F000-memory.dmp

Filesize
188KB

Download
memory/2692-194-0x0000000002D00000-0x000000000304A000-memory.dmp

Filesize
3.3MB

Download
memory/2692-193-0x0000000000E20000-0x0000000000E4F000-memory.dmp

Filesize
188KB

Download
memory/2692-189-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2692-187-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/3184-211-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-220-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-231-0x0000000002830000-0x0000000002840000-memory.dmp

Filesize
64KB

Download
memory/3184-230-0x0000000002830000-0x0000000002840000-memory.dmp

Filesize
64KB

Download
memory/3184-229-0x0000000002820000-0x0000000002822000-memory.dmp

Filesize
8KB

Download
memory/3184-227-0x0000000002830000-0x0000000002840000-memory.dmp

Filesize
64KB

Download
memory/3184-226-0x0000000002830000-0x0000000002840000-memory.dmp

Filesize
64KB

Download
memory/3184-201-0x0000000008310000-0x00000000083F5000-memory.dmp

Filesize
916KB

Download
memory/3184-225-0x0000000002830000-0x0000000002840000-memory.dmp

Filesize
64KB

Download
memory/3184-223-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-203-0x0000000008310000-0x00000000083F5000-memory.dmp

Filesize
916KB

Download
memory/3184-222-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-206-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-168-0x0000000007DE0000-0x0000000007F2E000-memory.dmp

Filesize
1.3MB

Download
memory/3184-221-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-200-0x0000000008310000-0x00000000083F5000-memory.dmp

Filesize
916KB

Download
memory/3184-219-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-218-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-217-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-216-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-212-0x0000000002820000-0x0000000002822000-memory.dmp

Filesize
8KB

Download
memory/3184-215-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-214-0x0000000002830000-0x0000000002840000-memory.dmp

Filesize
64KB

Download
memory/3184-213-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-210-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-209-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-208-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/3184-207-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/4400-167-0x0000000000DF0000-0x0000000000E05000-memory.dmp

Filesize
84KB

Download
memory/4400-146-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4400-165-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4400-161-0x0000000000EA0000-0x00000000011EA000-memory.dmp

Filesize
3.3MB

Download
memory/4932-136-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/4932-138-0x0000000005460000-0x0000000005470000-memory.dmp

Filesize
64KB

Download
memory/4932-135-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/4932-137-0x0000000005460000-0x0000000005470000-memory.dmp

Filesize
64KB

Download
memory/4932-134-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/4932-139-0x0000000006D60000-0x0000000006DFC000-memory.dmp

Filesize
624KB

Download
memory/4932-133-0x00000000009D0000-0x0000000000A68000-memory.dmp

Filesize
608KB

Download
memory/5080-183-0x00000000076F0000-0x0000000007D6A000-memory.dmp

Filesize
6.5MB

Download
memory/5080-180-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/5080-191-0x00000000073E0000-0x00000000073FA000-memory.dmp

Filesize
104KB

Download
memory/5080-186-0x0000000007320000-0x00000000073B6000-memory.dmp

Filesize
600KB

Download
memory/5080-185-0x0000000007110000-0x000000000711A000-memory.dmp

Filesize
40KB

Download
memory/5080-184-0x00000000070A0000-0x00000000070BA000-memory.dmp

Filesize
104KB

Download
memory/5080-192-0x00000000073C0000-0x00000000073C8000-memory.dmp

Filesize
32KB

Download
memory/5080-182-0x000000007F120000-0x000000007F130000-memory.dmp

Filesize
64KB

Download
memory/5080-181-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/5080-190-0x00000000072D0000-0x00000000072DE000-memory.dmp

Filesize
56KB

Download
memory/5080-170-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/5080-169-0x0000000006F20000-0x0000000006F52000-memory.dmp

Filesize
200KB

Download
memory/5080-166-0x0000000005D90000-0x0000000005DAE000-memory.dmp

Filesize
120KB

Download
memory/5080-163-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/5080-162-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/5080-156-0x0000000005720000-0x0000000005786000-memory.dmp

Filesize
408KB

Download
memory/5080-150-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/5080-144-0x00000000047C0000-0x00000000047F6000-memory.dmp

Filesize
216KB

Download
memory/5080-149-0x0000000004CE0000-0x0000000004D02000-memory.dmp

Filesize
136KB

Download
memory/5080-147-0x0000000004F80000-0x00000000055A8000-memory.dmp

Filesize
6.2MB

Download