formbook | cc110e7ce55e5f2ce96ecbacba1067ec054b4a43339ecbce9fdcf7120c2d268a

General

Target

f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe
Size

621KB
MD5

fb46da403e7f8d031ccd553e79e8f5ce
SHA1

4385f614789f5472cab4f7f89d24dc3e454e05d5
SHA256

f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3
SHA512

624505e6df86dd4a09ae22acc3bcfa7e5e329adf8c0bc5cccd4236a9bb6901cce4eaeab52f01e94dc530ad5a353f6e736d13a75ee7c739329c88120b87083e14
SSDEEP

12288:SYxaM8KuQaGxtVMwg5a8CPWuImvsP4oNeA:8jQLMT/CTpvsQo

Score

10^/10

formbook i6sj discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

i6sj

Decoy

earn1kdaily.com

inspirestudiopro.com

dirtiblvk.com

humanbehaviourschool.com

tsftextiles.com

viveroeljardindelaabuela.com

surreykeys.com

sf790.com

evergreenmortuary-cemetary.com

pspbizhi.com

ironwoodpianostudios.com

outrageouslywise.com

blacklivesmatterisajoke.com

reignauto.com

azw3.net

nondapack.com

dressahaulicboutique.com

pierrockellelive.com

theleagueofgeeks.com

matthiaswalpen.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/1388-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1388-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 388 set thread context of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 1388 set thread context of 3440	1388	RegSvcs.exe	56
PID 2616 set thread context of 3440	2616	cscript.exe	56

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	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
1388	RegSvcs.exe
1388	RegSvcs.exe
1388	RegSvcs.exe
1388	RegSvcs.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe
2616	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1388	RegSvcs.exe
1388	RegSvcs.exe
1388	RegSvcs.exe
2616	cscript.exe
2616	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	RegSvcs.exe
Token: SeDebugPrivilege	2616	cscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 388 wrote to memory of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 388 wrote to memory of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 388 wrote to memory of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 388 wrote to memory of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 388 wrote to memory of 1388	388	f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe	91
PID 3440 wrote to memory of 2616	3440	Explorer.EXE	93
PID 3440 wrote to memory of 2616	3440	Explorer.EXE	93
PID 3440 wrote to memory of 2616	3440	Explorer.EXE	93
PID 2616 wrote to memory of 1664	2616	cscript.exe	94
PID 2616 wrote to memory of 1664	2616	cscript.exe	94
PID 2616 wrote to memory of 1664	2616	cscript.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe
  "C:\Users\Admin\AppData\Local\Temp\f561a1d05c09efc31dce8ab86eee986b5b47c1d92201c7c0eea132ab3a811af3.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1388
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:5084
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:2616
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1664

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

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Downloads

memory/388-14-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/388-1-0x0000000000DB0000-0x0000000000E52000-memory.dmp

Filesize
648KB

Download
memory/388-2-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/388-3-0x0000000005880000-0x0000000005912000-memory.dmp

Filesize
584KB

Download
memory/388-5-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/388-4-0x0000000005850000-0x000000000585A000-memory.dmp

Filesize
40KB

Download
memory/388-6-0x0000000005AB0000-0x0000000005ABE000-memory.dmp

Filesize
56KB

Download
memory/388-7-0x0000000006ED0000-0x0000000006F6C000-memory.dmp

Filesize
624KB

Download
memory/388-8-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/388-9-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/388-10-0x0000000007310000-0x0000000007378000-memory.dmp

Filesize
416KB

Download
memory/388-11-0x0000000009950000-0x0000000009986000-memory.dmp

Filesize
216KB

Download
memory/388-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/1388-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-15-0x0000000001190000-0x00000000014DA000-memory.dmp

Filesize
3.3MB

Download
memory/1388-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-18-0x0000000000B80000-0x0000000000B94000-memory.dmp

Filesize
80KB

Download
memory/2616-21-0x0000000000D10000-0x0000000000D37000-memory.dmp

Filesize
156KB

Download
memory/2616-20-0x0000000000D10000-0x0000000000D37000-memory.dmp

Filesize
156KB

Download
memory/3440-19-0x0000000008090000-0x00000000081F8000-memory.dmp

Filesize
1.4MB

Download
memory/3440-22-0x0000000008090000-0x00000000081F8000-memory.dmp

Filesize
1.4MB

Download
memory/3440-26-0x0000000008510000-0x000000000867B000-memory.dmp

Filesize
1.4MB

Download
memory/3440-27-0x0000000008510000-0x000000000867B000-memory.dmp

Filesize
1.4MB

Download
memory/3440-29-0x0000000008510000-0x000000000867B000-memory.dmp

Filesize
1.4MB

Download

Analysis

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