formbook | 626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4

General

Target

626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
Size

641KB
MD5

9347166b9363eba1d20b7730637c5e1c
SHA1

25939d1eed435a46a545f5c648ebf38a89921809
SHA256

626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4
SHA512

5b23fa987ee3797012c477dd31ee8721907c49c93e476bca719b3a73cbf87960012840eb749fadce22c0e9d9a6719cb145ad5675cbffcb51116732704d0df243
SSDEEP

12288:QmjQpjndCgO+a8OJnBQs5t54KP015K1bnK2y9979RzAgmU/qUYQ4kR:QmojdCMYBQsr5DYK1bnK2y9VLzA6/H9

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2824-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2112	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34

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	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2824	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
2112	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2112	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	30
PID 2700 wrote to memory of 2112	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	30
PID 2700 wrote to memory of 2112	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	30
PID 2700 wrote to memory of 2112	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	30
PID 2700 wrote to memory of 2940	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	31
PID 2700 wrote to memory of 2940	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	31
PID 2700 wrote to memory of 2940	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	31
PID 2700 wrote to memory of 2940	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	31
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34
PID 2700 wrote to memory of 2824	2700	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	34

C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
"C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\smRgQPiz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\smRgQPiz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9A5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
  "C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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\tmpC9A5.tmp

Filesize
1KB

MD5
40f91e9d42450e33bb6cfefeab24bdfb

SHA1
c30c45f1c04be32a9ecbdd83030875aae1d4fce6

SHA256
68d625e2c7b369b8187e308566c3c8d5b5c93d4b113cea72eeb99ad1a4f57a73

SHA512
fb7270d4dcfef50a404e40955056ea2436ed81bfc111f9afbbacc4eb3899b302fdbe404a458b3c6c02ddae4bf8a296eae9d5f38ca4369b0ae283ef0dd849f117

Download Submit
memory/2700-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/2700-1-0x0000000001050000-0x00000000010F0000-memory.dmp

Filesize
640KB

Download
memory/2700-2-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-3-0x00000000004F0000-0x0000000000506000-memory.dmp

Filesize
88KB

Download
memory/2700-4-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/2700-5-0x0000000000F70000-0x0000000000FE6000-memory.dmp

Filesize
472KB

Download
memory/2700-17-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads