formbook | c0e855dd6adbc1c592518bf09966e6240217b8445b2521a6d189e20bfafdff16

General

Target

NEW PO - 24101.exe
Size

1.1MB
MD5

2101224c25b008724832b22df4b2f33f
SHA1

1ab2163ad4933dfa6e9b7c9809bdd47f0d3f8ed1
SHA256

ed3c955db72dc944a905068be7dc2c7668c4de73be2c5efe3307b16e60e901a3
SHA512

c0d9f0a4294e06d25d7f94efe1ea82d4c98a2500abd1174d5979f97f8a0b01ac24a256d468b39609356a313521866942ba596012e34bc7f2b00dd7a8e6f77a3e
SSDEEP

24576:ffmMv6Ckr7Mny5QLP9dGCLj5+F3kJnwahiA1:f3v+7/5QLP9dDLj5Q0VXh31

Score

10^/10

formbook c24t discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1644-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1644-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1644-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2080-17-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 1644	2532	NEW PO - 24101.exe	30
PID 1644 set thread context of 1184	1644	svchost.exe	21
PID 1644 set thread context of 1184	1644	svchost.exe	21
PID 2080 set thread context of 1184	2080	explorer.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 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	NEW PO - 24101.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe
2080	explorer.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2532	NEW PO - 24101.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
2080	explorer.exe
2080	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	svchost.exe
Token: SeDebugPrivilege	2080	explorer.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 1644	2532	NEW PO - 24101.exe	30
PID 2532 wrote to memory of 1644	2532	NEW PO - 24101.exe	30
PID 2532 wrote to memory of 1644	2532	NEW PO - 24101.exe	30
PID 2532 wrote to memory of 1644	2532	NEW PO - 24101.exe	30
PID 2532 wrote to memory of 1644	2532	NEW PO - 24101.exe	30
PID 1184 wrote to memory of 2080	1184	Explorer.EXE	31
PID 1184 wrote to memory of 2080	1184	Explorer.EXE	31
PID 1184 wrote to memory of 2080	1184	Explorer.EXE	31
PID 1184 wrote to memory of 2080	1184	Explorer.EXE	31
PID 2080 wrote to memory of 2240	2080	explorer.exe	32
PID 2080 wrote to memory of 2240	2080	explorer.exe	32
PID 2080 wrote to memory of 2240	2080	explorer.exe	32
PID 2080 wrote to memory of 2240	2080	explorer.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\NEW PO - 24101.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW PO - 24101.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PO - 24101.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1644
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2080
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Loading Replay Monitor...

Downloads

memory/1184-14-0x0000000007810000-0x000000000797F000-memory.dmp

Filesize
1.4MB

Download
memory/1184-9-0x0000000007670000-0x000000000780F000-memory.dmp

Filesize
1.6MB

Download
memory/1184-18-0x0000000007810000-0x000000000797F000-memory.dmp

Filesize
1.4MB

Download
memory/1184-13-0x0000000007670000-0x000000000780F000-memory.dmp

Filesize
1.6MB

Download
memory/1184-6-0x0000000003B20000-0x0000000003C20000-memory.dmp

Filesize
1024KB

Download
memory/1644-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1644-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1644-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1644-12-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/1644-8-0x00000000003B0000-0x00000000003C4000-memory.dmp

Filesize
80KB

Download
memory/1644-4-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2080-15-0x0000000000650000-0x00000000008D1000-memory.dmp

Filesize
2.5MB

Download
memory/2080-16-0x0000000000650000-0x00000000008D1000-memory.dmp

Filesize
2.5MB

Download
memory/2080-17-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2532-2-0x0000000003FA0000-0x00000000043A0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing