formbook | 2fd37f69250370a2c722444d91ecd0243f6688c27f0fc434652aa4a3816e4631

General

Target

siparis.exe
Size

1.4MB
MD5

d0c4f48f0b69ee5f08f7baf1460229ee
SHA1

1da3fd441ec04d0207d020300168b3b83f16d8b5
SHA256

085dd3415a1c0c601af338a15905c650935e18505e6ca71bf6ece1602bba19c3
SHA512

79a9798dea5a819259b152742ef62046c634d3d0e7c27c7c9d58df642b03e5f5a801880ef6dddb7c684a7ee45082a88b6effb5a7fa51c7b74d0ef8a8c12f6c0f
SSDEEP

24576:938hI5q8Bm8Mj/YoUOa9QQoehT2fXZvOi:u3HrjAowQihT2/

Score

10^/10

formbook odse discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

odse

Decoy

braedlifestyle.com

morganjohnsondesign.online

surup-v48.club

diypoolpaint.sydney

v-b7026-ghhh.space

vetyvar.com

lollydaisy.com

campsitesurvival.com

autocalibre.com

fusiontech3d.com

xn--udkog0cvez259c82sa.xyz

eccentricartist.com

jc-zg.com

wacwin.com

livehealthychoice.com

visijuara.com

phigsa.com

sabayawork.com

afcerd.com

joeyshousesessions.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2900-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2900-24-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 2900	2956	siparis.exe	33
PID 2900 set thread context of 1192	2900	RegSvcs.exe	21
PID 2128 set thread context of 1192	2128	help.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 4 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	siparis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2956	siparis.exe
2900	RegSvcs.exe
2900	RegSvcs.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe
2128	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2900	RegSvcs.exe
2900	RegSvcs.exe
2900	RegSvcs.exe
2128	help.exe
2128	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	siparis.exe
Token: SeDebugPrivilege	2900	RegSvcs.exe
Token: SeDebugPrivilege	2128	help.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 536	2956	siparis.exe	31
PID 2956 wrote to memory of 536	2956	siparis.exe	31
PID 2956 wrote to memory of 536	2956	siparis.exe	31
PID 2956 wrote to memory of 536	2956	siparis.exe	31
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 2956 wrote to memory of 2900	2956	siparis.exe	33
PID 1192 wrote to memory of 2128	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2128	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2128	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2128	1192	Explorer.EXE	34
PID 2128 wrote to memory of 2076	2128	help.exe	35
PID 2128 wrote to memory of 2076	2128	help.exe	35
PID 2128 wrote to memory of 2076	2128	help.exe	35
PID 2128 wrote to memory of 2076	2128	help.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\siparis.exe
  "C:\Users\Admin\AppData\Local\Temp\siparis.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hCrHbUC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp712.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:536
- - 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:2900
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2128
- - 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:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp712.tmp

Filesize
1KB

MD5
f8c0ff544f84025184ccb13b9fddbd2f

SHA1
50f8d3a51953664418ef37b7a0c493ace5d5360a

SHA256
93165b008a4ec87100cf93a9af7d06d7a45d815e50525c81fc040f130cbe691a

SHA512
cabb804993f42f6fb431c26b17d4c3af0b4f56af136b0eaba59623b164a5d684b04600cf14404a535f08df1dd47f67972549568f35fa1fd0f88fd5c6ae448165

Download Submit
memory/1192-30-0x0000000004E00000-0x0000000004EF0000-memory.dmp

Filesize
960KB

Download
memory/1192-27-0x0000000004E00000-0x0000000004EF0000-memory.dmp

Filesize
960KB

Download
memory/1192-26-0x0000000003BF0000-0x0000000003CF0000-memory.dmp

Filesize
1024KB

Download
memory/2128-28-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/2128-29-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/2900-25-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/2900-24-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2900-22-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/2900-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2900-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2900-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2956-21-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2956-6-0x00000000052D0000-0x0000000005370000-memory.dmp

Filesize
640KB

Download
memory/2956-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2956-7-0x0000000001F30000-0x0000000001F64000-memory.dmp

Filesize
208KB

Download
memory/2956-5-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2956-4-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2956-3-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2956-2-0x00000000005B0000-0x00000000005CE000-memory.dmp

Filesize
120KB

Download
memory/2956-1-0x00000000002B0000-0x0000000000416000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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