formbook | cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1

General

Target

cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
Size

868KB
MD5

9109a335c757cf11812dafe216bc5b62
SHA1

4ac3cd51156fd397efd299915d9b407075c0df33
SHA256

cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1
SHA512

fb15e69479c4bc1c1f23d1d4c551432d613e4299f10297b5f767e4255281a32f747f5b6466f3dc924fde514d4389d765fbc1b0a46d7a6c72ef4f540ca214128c
SSDEEP

24576:n1c1teTi0mkaLVaEmtmn658CQZGQxosHt:GrCEHmtmn65wnoAt

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy52

Decoy

wxxj.asia

emu-oil.online

theprogressiontalks.com

saigonvape.com

cb257.pro

inucana.com

xn--pdr89n.vip

vtc.bzh

connexionsink.com

mastersofthevibes.com

mallsetuae.shop

bellaandbling.com

wagi88.one

273618.bid

japanvietnam-mall.com

lkd1t.rest

oflgjgiq.xyz

calliblography.com

idz8u.vip

marrybears.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2132-12-0x0000000000400000-0x000000000042F000-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
2924	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33

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	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
2132	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
2924	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
Token: SeDebugPrivilege	2924	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2924	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	30
PID 1760 wrote to memory of 2924	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	30
PID 1760 wrote to memory of 2924	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	30
PID 1760 wrote to memory of 2924	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	30
PID 1760 wrote to memory of 2940	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	31
PID 1760 wrote to memory of 2940	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	31
PID 1760 wrote to memory of 2940	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	31
PID 1760 wrote to memory of 2940	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	31
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33
PID 1760 wrote to memory of 2132	1760	cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe	33

C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
"C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
  "C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe"
  2⤵
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe
  "C:\Users\Admin\AppData\Local\Temp\cc7cc38e5d7bc6d4f12623ff831c3611d73d905d78b62a173907b947d53242c1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2132

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

Credential Access

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

Replay Monitor

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Downloads

memory/1760-6-0x0000000004E00000-0x0000000004E76000-memory.dmp

Filesize
472KB

Download
memory/1760-0-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/1760-2-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-3-0x0000000000430000-0x0000000000448000-memory.dmp

Filesize
96KB

Download
memory/1760-4-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/1760-5-0x0000000000A90000-0x0000000000AA6000-memory.dmp

Filesize
88KB

Download
memory/1760-1-0x0000000000FB0000-0x000000000108C000-memory.dmp

Filesize
880KB

Download
memory/1760-13-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2132-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2132-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2132-14-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/2132-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2132-17-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download

Analysis

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