formbook | acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394

General

Target

acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
Size

514KB
MD5

3a24b445bc1f406486761746815685be
SHA1

0f7871e14fdd53e3bac49dd32cca632280c3380f
SHA256

acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394
SHA512

ffab69c57977a2425559303868d3e724a4a01693bfb97234d4d81fc71e5f4c015eb7e1a776e0c9542e92065ab895a0bc79de8f5fc82d47d1f73b3e868bdeb827
SSDEEP

12288:V9BvctM85t35JPNJj2WzoRLQYRYzmYeY9+TlXueUfKIk7IkEo:VD0tM85tbNJjldeYiYvOXue4TOIkEo

Score

10^/10

formbook a03d discovery rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.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/2680-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2680-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2844-18-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2252-9-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2680	2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe	30
PID 2680 set thread context of 1184	2680	svchost.exe	21
PID 2844 set thread context of 1184	2844	colorcpl.exe	21

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2252-0-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral1/memory/2252-9-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2680	svchost.exe
2680	svchost.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe
2844	colorcpl.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2844	colorcpl.exe
2844	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	svchost.exe
Token: SeDebugPrivilege	2844	colorcpl.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2680	2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe	30
PID 2252 wrote to memory of 2680	2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe	30
PID 2252 wrote to memory of 2680	2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe	30
PID 2252 wrote to memory of 2680	2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe	30
PID 2252 wrote to memory of 2680	2252	acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe	30
PID 1184 wrote to memory of 2844	1184	Explorer.EXE	31
PID 1184 wrote to memory of 2844	1184	Explorer.EXE	31
PID 1184 wrote to memory of 2844	1184	Explorer.EXE	31
PID 1184 wrote to memory of 2844	1184	Explorer.EXE	31
PID 2844 wrote to memory of 2244	2844	colorcpl.exe	32
PID 2844 wrote to memory of 2244	2844	colorcpl.exe	32
PID 2844 wrote to memory of 2244	2844	colorcpl.exe	32
PID 2844 wrote to memory of 2244	2844	colorcpl.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe
  "C:\Users\Admin\AppData\Local\Temp\acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.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:2252
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2680
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2844
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2244

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/1184-19-0x0000000004560000-0x000000000461D000-memory.dmp

Filesize
756KB

Download
memory/1184-28-0x0000000006470000-0x0000000006525000-memory.dmp

Filesize
724KB

Download
memory/1184-26-0x0000000006470000-0x0000000006525000-memory.dmp

Filesize
724KB

Download
memory/1184-25-0x0000000006470000-0x0000000006525000-memory.dmp

Filesize
724KB

Download
memory/1184-14-0x0000000004560000-0x000000000461D000-memory.dmp

Filesize
756KB

Download
memory/2252-6-0x0000000002320000-0x0000000002324000-memory.dmp

Filesize
16KB

Download
memory/2252-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2252-0-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2680-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2680-13-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/2680-10-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2680-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2844-17-0x00000000006E0000-0x00000000006F8000-memory.dmp

Filesize
96KB

Download
memory/2844-18-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2844-15-0x00000000006E0000-0x00000000006F8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing