formbook | 26be7920db544b00db0129fa02a23b74778b0a3cefef50196d44e2fc9903d73f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 20:46

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General

Target

53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
Size

2.2MB
MD5

ba353539a8f310d60005f004fb94e24f
SHA1

ca7006f2345678b15cdaa3fd0e70ec6d05862930
SHA256

53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03
SHA512

1e1e14b2f00253cb3df5dbe134240d9974992911b9494a620944c9d8036dcf4da14acace197524ccd13826a097c2ad5fe6f441bb46cbaa860b1512279401442a
SSDEEP

24576:5Mq5HYOYUAm1yHBTjstd5nr6rn9VCZvlB1DfA+D0EdPrxPkMN0V9khzb+xHBmN+B:P5DTVYBTKYn9VuvlDjZdhN0T0zbmENn

Score

10^/10

formbook nurs discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

nurs

Decoy

caixinhascomcarinho.com

abinotools.com

oporto-tours.com

iruos.com

yesmamawinebar.com

wwwscu.com

habit2impact.com

antigenresearch.com

ux4space.com

diarypisces.com

cryptopers.com

lovingmoreband.com

beerwars.net

ascariproject.site

livesoccerhd.info

bluestardivingschool.com

pluik.com

snorrky.space

lcoi9.com

phantomxr.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4428-8927-0x0000000000400000-0x000000000042F000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Acoofgeqa = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ajhuxiadvy\\Acoofgeqa.exe\""	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100

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 2 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	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2160	powershell.exe
2160	powershell.exe
548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
4428	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
4428	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
Token: SeDebugPrivilege	2160	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2160	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	86
PID 548 wrote to memory of 2160	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	86
PID 548 wrote to memory of 2160	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	86
PID 548 wrote to memory of 3848	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	99
PID 548 wrote to memory of 3848	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	99
PID 548 wrote to memory of 3848	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	99
PID 548 wrote to memory of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100
PID 548 wrote to memory of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100
PID 548 wrote to memory of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100
PID 548 wrote to memory of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100
PID 548 wrote to memory of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100
PID 548 wrote to memory of 4428	548	53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe	100

C:\Users\Admin\AppData\Local\Temp\53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
"C:\Users\Admin\AppData\Local\Temp\53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2160
- C:\Users\Admin\AppData\Local\Temp\53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
  C:\Users\Admin\AppData\Local\Temp\53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
  2⤵
  PID:3848
- C:\Users\Admin\AppData\Local\Temp\53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
  C:\Users\Admin\AppData\Local\Temp\53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mreaffwe.3lz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/548-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/548-1-0x0000000000F90000-0x00000000011CC000-memory.dmp

Filesize
2.2MB

Download
memory/548-2-0x00000000060B0000-0x0000000006654000-memory.dmp

Filesize
5.6MB

Download
memory/548-3-0x0000000005ED0000-0x0000000005F62000-memory.dmp

Filesize
584KB

Download
memory/548-4-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/548-5-0x0000000006760000-0x000000000699A000-memory.dmp

Filesize
2.2MB

Download
memory/548-6-0x0000000006710000-0x0000000006732000-memory.dmp

Filesize
136KB

Download
memory/548-7-0x0000000006B10000-0x0000000006B1A000-memory.dmp

Filesize
40KB

Download
memory/548-8-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-13-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-35-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-39-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-69-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-71-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-67-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-65-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-63-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-59-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-57-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-55-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-53-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-61-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-49-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-47-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-45-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-43-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-41-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-37-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-33-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-31-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-29-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-27-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-51-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-25-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-23-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-21-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-19-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-15-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-11-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-9-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-17-0x0000000006760000-0x0000000006995000-memory.dmp

Filesize
2.2MB

Download
memory/548-2956-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/548-3426-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/548-8898-0x0000000006DC0000-0x0000000007114000-memory.dmp

Filesize
3.3MB

Download
memory/548-8928-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2160-8899-0x0000000002530000-0x0000000002566000-memory.dmp

Filesize
216KB

Download
memory/2160-8900-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2160-8902-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2160-8901-0x0000000004DB0000-0x00000000053D8000-memory.dmp

Filesize
6.2MB

Download
memory/2160-8903-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2160-8904-0x0000000004AB0000-0x0000000004B16000-memory.dmp

Filesize
408KB

Download
memory/2160-8905-0x0000000004C90000-0x0000000004CF6000-memory.dmp

Filesize
408KB

Download
memory/2160-8915-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

Filesize
120KB

Download
memory/2160-8916-0x0000000005B60000-0x0000000005BAC000-memory.dmp

Filesize
304KB

Download
memory/2160-8917-0x00000000070F0000-0x000000000776A000-memory.dmp

Filesize
6.5MB

Download
memory/2160-8918-0x0000000006000000-0x000000000601A000-memory.dmp

Filesize
104KB

Download
memory/2160-8919-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2160-8923-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4428-8927-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4428-8929-0x0000000001B90000-0x0000000001EDA000-memory.dmp

Filesize
3.3MB

Download