formbook | 51e9b7b57d361aa62f8276d03af686736c54187cf38fb8800cc6b34b04a0c359

General

Target

Specification and Quantity Pdf.exe
Size

1.6MB
MD5

686fed0af9eebb2581701d4e08e9ff0b
SHA1

3c9f400ba8c6fe7f35f20bca09e59d3bb8169035
SHA256

219a330b7ae9807411d289f28169861fc748f50212ae2317278bfe155d89990f
SHA512

178d525f08b12ccca7c2a11f230e4bd83b74d28d17f15c13696937f57e4272aa34b0542aca6890e032ff7d4732be426ef00dcc54adceb70bd71f05cbd6d6bb00
SSDEEP

49152:YAodtaG9kS2U84B+FLan9k5TRM9zlxVjZfjQq:I/B13fjQq

Score

10^/10

formbook n7ak credential_access discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

wise-transfer.info

jam-nins.com

thebestsocialcrm.com

majomeow222.com

ancientshadowguilt.space

gentleman-china.com

parquemermoz.store

taxuw.com

sharqiyapaints.com

libraryofkath.com

1949wan.com

synqr.net

bitchessgirls.com

btonu.cfd

coding-bootcamps-16314.com

leadership22-tdh.site

maximsboutique.com

irishsummertruffles.com

sdnaqianchuan.com

uyews.xyz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2920-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2920-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2636-21-0x00000000000A0000-0x00000000000CF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2820	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2920 set thread context of 1184	2920	wmplayer.exe	21
PID 2636 set thread context of 1184	2636	colorcpl.exe	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-457978338-2990298471-2379561640-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2920	wmplayer.exe
2820	powershell.exe
2920	wmplayer.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2920	wmplayer.exe
2920	wmplayer.exe
2920	wmplayer.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	Specification and Quantity Pdf.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2920	wmplayer.exe
Token: SeDebugPrivilege	2636	colorcpl.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2820	2236	Specification and Quantity Pdf.exe	31
PID 2236 wrote to memory of 2820	2236	Specification and Quantity Pdf.exe	31
PID 2236 wrote to memory of 2820	2236	Specification and Quantity Pdf.exe	31
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 2236 wrote to memory of 2920	2236	Specification and Quantity Pdf.exe	33
PID 1184 wrote to memory of 2636	1184	Explorer.EXE	35
PID 1184 wrote to memory of 2636	1184	Explorer.EXE	35
PID 1184 wrote to memory of 2636	1184	Explorer.EXE	35
PID 1184 wrote to memory of 2636	1184	Explorer.EXE	35
PID 2636 wrote to memory of 1132	2636	colorcpl.exe	36
PID 2636 wrote to memory of 1132	2636	colorcpl.exe	36
PID 2636 wrote to memory of 1132	2636	colorcpl.exe	36
PID 2636 wrote to memory of 1132	2636	colorcpl.exe	36
PID 2636 wrote to memory of 1132	2636	colorcpl.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\Specification and Quantity Pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Specification and Quantity Pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2820
- - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2920
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2964
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg

Filesize
74KB

MD5
f3c2eecfea941e2f028e00ab24cbf597

SHA1
c4a8f271b8aabbcd11c8e087c10e3ab93673c4e4

SHA256
85f3496bb9346a13a04ee352bb822aa1388bdbccb30a89fd562b4bdc53e63a4c

SHA512
b4c60b376d3bac42351b36bdd751a7433cd1351246a9150542d042306f3c9521c507876905c8e93326de97b00b72c191fc02a5cf022a711630d5ca2274e0bd80

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1184-30-0x0000000006250000-0x0000000006376000-memory.dmp

Filesize
1.1MB

Download
memory/1184-25-0x0000000006050000-0x0000000006127000-memory.dmp

Filesize
860KB

Download
memory/1184-15-0x0000000003E70000-0x0000000004070000-memory.dmp

Filesize
2.0MB

Download
memory/1184-16-0x0000000006050000-0x0000000006127000-memory.dmp

Filesize
860KB

Download
memory/2636-19-0x0000000000080000-0x0000000000098000-memory.dmp

Filesize
96KB

Download
memory/2636-21-0x00000000000A0000-0x00000000000CF000-memory.dmp

Filesize
188KB

Download
memory/2636-20-0x0000000000080000-0x0000000000098000-memory.dmp

Filesize
96KB

Download
memory/2820-10-0x0000000002640000-0x00000000026C0000-memory.dmp

Filesize
512KB

Download
memory/2820-18-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

Filesize
9.6MB

Download
memory/2820-17-0x0000000002640000-0x00000000026C0000-memory.dmp

Filesize
512KB

Download
memory/2820-11-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download
memory/2820-4-0x000007FEF600E000-0x000007FEF600F000-memory.dmp

Filesize
4KB

Download
memory/2820-9-0x000000001B2B0000-0x000000001B592000-memory.dmp

Filesize
2.9MB

Download
memory/2820-7-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

Filesize
9.6MB

Download
memory/2920-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2920-14-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2920-8-0x0000000000940000-0x0000000000C43000-memory.dmp

Filesize
3.0MB

Download
memory/2920-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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