formbook | 356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 09:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Ot7EdLwo881ajbV.exe
Size

617KB
MD5

f99cdd71043a75d4fe553fb39de6d3e5
SHA1

28d123dd5f049724ec34cea59a73fb7385b3f904
SHA256

356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa
SHA512

08cd7223a4019ed691c67e3c93fa7852842235108baaeb21e2ffb14426b0cfd35086ffb7542f675d863a937601f1f8cd1a11ca1f3ef908dd879e445dcee94956
SSDEEP

12288:jfAcXkhMOoltiJ5i/6Ob/Bc1WsML0oORqYQb7Z4TwmlKfKPH1fG0Q4bXtk+yE:pkh5oDiJ5i/6ObZcpMnnYQvZo8fKdf/T

Score

10^/10

formbook dr14 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dr14

Decoy

ypewriter.pro

conoficina.shop

etrules.net

bwuc-ball.xyz

obis.xyz

tpbuncistoto.xyz

lhakikas.net

long-ybzxgm.xyz

ray-east.xyz

hild-rbfij.xyz

imself-kyac.xyz

ftuu-government.xyz

om-tracksi.top

olicy-yzipy.xyz

ntalaxlesbabbool.cfd

ingleyou.top

ieryfiertzframing.cfd

pon-nacgrz.xyz

aomei515.top

alzgroup.net

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
behavioral2/memory/1260-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1260-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3740-22-0x0000000000C70000-0x0000000000C9F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4816 set thread context of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 1260 set thread context of 3352	1260	Ot7EdLwo881ajbV.exe	55
PID 3740 set thread context of 3352	3740	cmmon32.exe	55

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	Ot7EdLwo881ajbV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
1260	Ot7EdLwo881ajbV.exe
1260	Ot7EdLwo881ajbV.exe
1260	Ot7EdLwo881ajbV.exe
1260	Ot7EdLwo881ajbV.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe
3740	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1260	Ot7EdLwo881ajbV.exe
1260	Ot7EdLwo881ajbV.exe
1260	Ot7EdLwo881ajbV.exe
3740	cmmon32.exe
3740	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	Ot7EdLwo881ajbV.exe
Token: SeDebugPrivilege	3740	cmmon32.exe
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3352	Explorer.EXE
3352	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3352	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 4816 wrote to memory of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 4816 wrote to memory of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 4816 wrote to memory of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 4816 wrote to memory of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 4816 wrote to memory of 1260	4816	Ot7EdLwo881ajbV.exe	94
PID 3352 wrote to memory of 3740	3352	Explorer.EXE	95
PID 3352 wrote to memory of 3740	3352	Explorer.EXE	95
PID 3352 wrote to memory of 3740	3352	Explorer.EXE	95
PID 3740 wrote to memory of 3176	3740	cmmon32.exe	96
PID 3740 wrote to memory of 3176	3740	cmmon32.exe	96
PID 3740 wrote to memory of 3176	3740	cmmon32.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Users\Admin\AppData\Local\Temp\Ot7EdLwo881ajbV.exe
  "C:\Users\Admin\AppData\Local\Temp\Ot7EdLwo881ajbV.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Users\Admin\AppData\Local\Temp\Ot7EdLwo881ajbV.exe
    "C:\Users\Admin\AppData\Local\Temp\Ot7EdLwo881ajbV.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1260
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3740
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Ot7EdLwo881ajbV.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1260-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1260-18-0x00000000017B0000-0x00000000017C5000-memory.dmp

Filesize
84KB

Download
memory/1260-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1260-15-0x00000000018B0000-0x0000000001BFA000-memory.dmp

Filesize
3.3MB

Download
memory/3352-28-0x0000000002700000-0x00000000027C5000-memory.dmp

Filesize
788KB

Download
memory/3352-26-0x0000000002700000-0x00000000027C5000-memory.dmp

Filesize
788KB

Download
memory/3352-25-0x0000000002700000-0x00000000027C5000-memory.dmp

Filesize
788KB

Download
memory/3352-23-0x00000000080E0000-0x000000000822A000-memory.dmp

Filesize
1.3MB

Download
memory/3352-19-0x00000000080E0000-0x000000000822A000-memory.dmp

Filesize
1.3MB

Download
memory/3740-20-0x0000000000EC0000-0x0000000000ECC000-memory.dmp

Filesize
48KB

Download
memory/3740-21-0x0000000000EC0000-0x0000000000ECC000-memory.dmp

Filesize
48KB

Download
memory/3740-22-0x0000000000C70000-0x0000000000C9F000-memory.dmp

Filesize
188KB

Download
memory/4816-14-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4816-10-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4816-8-0x0000000006360000-0x000000000637C000-memory.dmp

Filesize
112KB

Download
memory/4816-7-0x00000000062C0000-0x000000000635C000-memory.dmp

Filesize
624KB

Download
memory/4816-6-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/4816-5-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4816-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/4816-9-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/4816-11-0x0000000006FF0000-0x0000000007066000-memory.dmp

Filesize
472KB

Download
memory/4816-4-0x0000000005880000-0x0000000005BD4000-memory.dmp

Filesize
3.3MB

Download
memory/4816-3-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/4816-2-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/4816-1-0x0000000000BD0000-0x0000000000C70000-memory.dmp

Filesize
640KB

Download