formbook | 8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0

General

Target

8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe
Size

1.2MB
MD5

3fc2b24484dda073e49d5185f1b4d623
SHA1

205ba4e3999d60014125a2d1ebb801d8eb3fea16
SHA256

8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0
SHA512

b52fbe98d9a3b6ad20923155f073f60f1e15ddbcfd89b2bdaf588cc8242929545bb07dea772c9c49fe624951d84266a8333b126ecbe763ba665c0722a243c049
SSDEEP

24576:Ftb20pkaCqT5TBWgNQ7adfDaeVq4v8T7r96A:2Vg5tQ7adfDaL4v8nJ5

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2088-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2088-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2088-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2388 set thread context of 2088	2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe	30
PID 2088 set thread context of 1148	2088	svchost.exe	20
PID 2088 set thread context of 1148	2088	svchost.exe	20

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	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	svchost.exe
2088	svchost.exe
2088	svchost.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe
2088	svchost.exe
2088	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe
2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe
1148	Explorer.EXE
1148	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe
2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2088	2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe	30
PID 2388 wrote to memory of 2088	2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe	30
PID 2388 wrote to memory of 2088	2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe	30
PID 2388 wrote to memory of 2088	2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe	30
PID 2388 wrote to memory of 2088	2388	8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1148
- C:\Users\Admin\AppData\Local\Temp\8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe
  "C:\Users\Admin\AppData\Local\Temp\8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\8c1abbfb1664d990fc963b506dee588c18ed4c286c4ed0d4d5e75b74175e1af0.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1148-12-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1148-13-0x0000000005140000-0x0000000005261000-memory.dmp

Filesize
1.1MB

Download
memory/1148-17-0x0000000005270000-0x00000000053EB000-memory.dmp

Filesize
1.5MB

Download
memory/1148-18-0x0000000005140000-0x0000000005261000-memory.dmp

Filesize
1.1MB

Download
memory/1148-19-0x0000000005270000-0x00000000053EB000-memory.dmp

Filesize
1.5MB

Download
memory/2088-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2088-8-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/2088-11-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2088-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2088-16-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2088-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2388-6-0x00000000008B0000-0x0000000000CB0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing