formbook | c7e8b70bc8170589d3b9bc120ab514227c6275312d1153686433f1aa6bc89809

Analysis

max time kernel
150s
max time network
129s
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 19:13

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General

Target

Documents.exe
Size

773KB
MD5

fe3365e83f4a43d63e0394450e1e284d
SHA1

f36a3148c6220bb10b0c828cf9818e75676d920f
SHA256

114f4e62ec2b81ab45799a56b183ef282b2bc5c172fd9831af33c154b23034ea
SHA512

de3a276bfd45430cc926a3362246baf78d5de04fecf234549c6ecc219249556aad7fc9e65cadfc83a14edec9940ea1860fbb758376681bbc0bd33b19ce21b724
SSDEEP

12288:xdZfTbsC8pAhY42pX13LLA2qpDJzn70NsF/qBth53rSdxj:xfLb78qhIF3LLRkzF/qh536xj

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/1936-149-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1936-166-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4832-190-0x0000000000F70000-0x0000000000F9F000-memory.dmp	formbook
behavioral2/memory/4832-197-0x0000000000F70000-0x0000000000F9F000-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:

Documents.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	Documents.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Documents.exeRegSvcs.execolorcpl.exe

description	pid	process	target process
PID 2836 set thread context of 1936	2836	Documents.exe	RegSvcs.exe
PID 1936 set thread context of 3080	1936	RegSvcs.exe	Explorer.EXE
PID 4832 set thread context of 3080	4832	colorcpl.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

1548 schtasks.exe

pid	process
1548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

Documents.exepowershell.exeRegSvcs.execolorcpl.exe

pid	process
2836	Documents.exe
2836	Documents.exe
3104	powershell.exe
1936	RegSvcs.exe
1936	RegSvcs.exe
1936	RegSvcs.exe
1936	RegSvcs.exe
3104	powershell.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe
4832	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3080 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.execolorcpl.exe

pid process

1936 RegSvcs.exe
1936 RegSvcs.exe
1936 RegSvcs.exe
4832 colorcpl.exe
4832 colorcpl.exe

pid	process
3080	Explorer.EXE

pid	process
1936	RegSvcs.exe
1936	RegSvcs.exe
1936	RegSvcs.exe
4832	colorcpl.exe
4832	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Documents.exepowershell.exeRegSvcs.execolorcpl.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2836	Documents.exe
Token: SeDebugPrivilege	3104	powershell.exe
Token: SeDebugPrivilege	1936	RegSvcs.exe
Token: SeDebugPrivilege	4832	colorcpl.exe
Token: SeShutdownPrivilege	3080	Explorer.EXE
Token: SeCreatePagefilePrivilege	3080	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Documents.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 2836 wrote to memory of 3104	2836	Documents.exe	powershell.exe
PID 2836 wrote to memory of 3104	2836	Documents.exe	powershell.exe
PID 2836 wrote to memory of 3104	2836	Documents.exe	powershell.exe
PID 2836 wrote to memory of 1548	2836	Documents.exe	schtasks.exe
PID 2836 wrote to memory of 1548	2836	Documents.exe	schtasks.exe
PID 2836 wrote to memory of 1548	2836	Documents.exe	schtasks.exe
PID 2836 wrote to memory of 1936	2836	Documents.exe	RegSvcs.exe
PID 2836 wrote to memory of 1936	2836	Documents.exe	RegSvcs.exe
PID 2836 wrote to memory of 1936	2836	Documents.exe	RegSvcs.exe
PID 2836 wrote to memory of 1936	2836	Documents.exe	RegSvcs.exe
PID 2836 wrote to memory of 1936	2836	Documents.exe	RegSvcs.exe
PID 2836 wrote to memory of 1936	2836	Documents.exe	RegSvcs.exe
PID 3080 wrote to memory of 4832	3080	Explorer.EXE	colorcpl.exe
PID 3080 wrote to memory of 4832	3080	Explorer.EXE	colorcpl.exe
PID 3080 wrote to memory of 4832	3080	Explorer.EXE	colorcpl.exe
PID 4832 wrote to memory of 3440	4832	colorcpl.exe	cmd.exe
PID 4832 wrote to memory of 3440	4832	colorcpl.exe	cmd.exe
PID 4832 wrote to memory of 3440	4832	colorcpl.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Users\Admin\AppData\Local\Temp\Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\Documents.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xJeUBgKHLFV.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3104
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xJeUBgKHLFV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CFB.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1548
- - 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:1936
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:716
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3440

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rbgnuzqv.r4x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2CFB.tmp

Filesize
1KB

MD5
9a649a46c7769231a1d0840e4108b3a1

SHA1
6a95f5568423dd8a60b31ab455759cb22c0e0220

SHA256
edcec93196e2b667cc3a7cf13ca1da31162682a7409135833f837f751e31fc8c

SHA512
ffdec9573dba094e66f30052a78de354e5b16f70857b8421947a3b625af1b7502cd0b5917f5df3476e89c24b42e0cea3b7efb4e1cd2b3885707cda18d167d16d

Download Submit
memory/1936-149-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1936-165-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/1936-166-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1936-167-0x0000000001630000-0x0000000001645000-memory.dmp

Filesize
84KB

Download
memory/2836-140-0x0000000007D40000-0x0000000007DDC000-memory.dmp

Filesize
624KB

Download
memory/2836-136-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/2836-137-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/2836-134-0x0000000000BE0000-0x0000000000CA8000-memory.dmp

Filesize
800KB

Download
memory/2836-139-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/2836-135-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/2836-138-0x0000000006210000-0x000000000621A000-memory.dmp

Filesize
40KB

Download
memory/3080-203-0x0000000008350000-0x000000000848E000-memory.dmp

Filesize
1.2MB

Download
memory/3080-201-0x0000000008350000-0x000000000848E000-memory.dmp

Filesize
1.2MB

Download
memory/3080-200-0x0000000008350000-0x000000000848E000-memory.dmp

Filesize
1.2MB

Download
memory/3080-169-0x0000000008150000-0x000000000822B000-memory.dmp

Filesize
876KB

Download
memory/3104-168-0x0000000006170000-0x000000000618E000-memory.dmp

Filesize
120KB

Download
memory/3104-193-0x00000000077A0000-0x00000000077BA000-memory.dmp

Filesize
104KB

Download
memory/3104-153-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/3104-152-0x00000000051A0000-0x00000000051C2000-memory.dmp

Filesize
136KB

Download
memory/3104-150-0x00000000054C0000-0x0000000005AE8000-memory.dmp

Filesize
6.2MB

Download
memory/3104-170-0x00000000028C0000-0x00000000028D0000-memory.dmp

Filesize
64KB

Download
memory/3104-171-0x000000007FD30000-0x000000007FD40000-memory.dmp

Filesize
64KB

Download
memory/3104-172-0x0000000006730000-0x0000000006762000-memory.dmp

Filesize
200KB

Download
memory/3104-173-0x0000000070E10000-0x0000000070E5C000-memory.dmp

Filesize
304KB

Download
memory/3104-183-0x00000000066F0000-0x000000000670E000-memory.dmp

Filesize
120KB

Download
memory/3104-184-0x0000000007AA0000-0x000000000811A000-memory.dmp

Filesize
6.5MB

Download
memory/3104-185-0x0000000007460000-0x000000000747A000-memory.dmp

Filesize
104KB

Download
memory/3104-145-0x0000000002830000-0x0000000002866000-memory.dmp

Filesize
216KB

Download
memory/3104-147-0x00000000028C0000-0x00000000028D0000-memory.dmp

Filesize
64KB

Download
memory/3104-188-0x00000000074D0000-0x00000000074DA000-memory.dmp

Filesize
40KB

Download
memory/3104-189-0x00000000076E0000-0x0000000007776000-memory.dmp

Filesize
600KB

Download
memory/3104-148-0x00000000028C0000-0x00000000028D0000-memory.dmp

Filesize
64KB

Download
memory/3104-194-0x0000000007780000-0x0000000007788000-memory.dmp

Filesize
32KB

Download
memory/3104-192-0x0000000007690000-0x000000000769E000-memory.dmp

Filesize
56KB

Download
memory/3104-159-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/4832-191-0x0000000003130000-0x000000000347A000-memory.dmp

Filesize
3.3MB

Download
memory/4832-197-0x0000000000F70000-0x0000000000F9F000-memory.dmp

Filesize
188KB

Download
memory/4832-199-0x0000000002EA0000-0x0000000002F34000-memory.dmp

Filesize
592KB

Download
memory/4832-190-0x0000000000F70000-0x0000000000F9F000-memory.dmp

Filesize
188KB

Download
memory/4832-187-0x0000000000220000-0x0000000000239000-memory.dmp

Filesize
100KB

Download
memory/4832-186-0x0000000000220000-0x0000000000239000-memory.dmp

Filesize
100KB

Download