formbook | 086e659b1784ab08b4694bbb06483d4b54f966697cadffc2f15edceac440b7bc

General

Target

shipping Arrival_pdf.exe
Size

1.0MB
MD5

4bf5f0c19903569f5dd85fd8067041ea
SHA1

d467e870a79615ad465d2215ca5284e5cb07fbd7
SHA256

086e659b1784ab08b4694bbb06483d4b54f966697cadffc2f15edceac440b7bc
SHA512

310a4fc5c18526c679d21c7f64428a6bec1d3904f971d815370b8bd9e90c35caa268d478d006169b5a0baf7a1ecf94520feeec22f64e9d0b7b8423707d77d6a2
SSDEEP

24576:tAHnh+eWsN3skA4RV1Hom2KXMmHaCdLtHgGbtYNHu5:Mh+ZkldoPK8YaCdGDk

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2172-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2172-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2888-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2172	2540	shipping Arrival_pdf.exe	30
PID 2172 set thread context of 1276	2172	svchost.exe	21
PID 2888 set thread context of 1276	2888	msdt.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	shipping Arrival_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2540	shipping Arrival_pdf.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2172	svchost.exe
2172	svchost.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe
2888	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2540	shipping Arrival_pdf.exe
2172	svchost.exe
2172	svchost.exe
2172	svchost.exe
2888	msdt.exe
2888	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	svchost.exe
Token: SeDebugPrivilege	2888	msdt.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2540	shipping Arrival_pdf.exe
2540	shipping Arrival_pdf.exe
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2540	shipping Arrival_pdf.exe
2540	shipping Arrival_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2172	2540	shipping Arrival_pdf.exe	30
PID 2540 wrote to memory of 2172	2540	shipping Arrival_pdf.exe	30
PID 2540 wrote to memory of 2172	2540	shipping Arrival_pdf.exe	30
PID 2540 wrote to memory of 2172	2540	shipping Arrival_pdf.exe	30
PID 2540 wrote to memory of 2172	2540	shipping Arrival_pdf.exe	30
PID 1276 wrote to memory of 2888	1276	Explorer.EXE	31
PID 1276 wrote to memory of 2888	1276	Explorer.EXE	31
PID 1276 wrote to memory of 2888	1276	Explorer.EXE	31
PID 1276 wrote to memory of 2888	1276	Explorer.EXE	31
PID 2888 wrote to memory of 2752	2888	msdt.exe	32
PID 2888 wrote to memory of 2752	2888	msdt.exe	32
PID 2888 wrote to memory of 2752	2888	msdt.exe	32
PID 2888 wrote to memory of 2752	2888	msdt.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\shipping Arrival_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\shipping Arrival_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\shipping Arrival_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2172
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2752

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1276-17-0x0000000005110000-0x000000000522F000-memory.dmp

Filesize
1.1MB

Download
memory/1276-30-0x0000000005230000-0x0000000005353000-memory.dmp

Filesize
1.1MB

Download
memory/1276-28-0x0000000005230000-0x0000000005353000-memory.dmp

Filesize
1.1MB

Download
memory/1276-27-0x0000000005230000-0x0000000005353000-memory.dmp

Filesize
1.1MB

Download
memory/1276-22-0x0000000005110000-0x000000000522F000-memory.dmp

Filesize
1.1MB

Download
memory/1276-16-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2172-15-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2172-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2172-12-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2172-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2540-10-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2888-18-0x0000000000330000-0x0000000000424000-memory.dmp

Filesize
976KB

Download
memory/2888-20-0x0000000000330000-0x0000000000424000-memory.dmp

Filesize
976KB

Download
memory/2888-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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