formbook | 5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083d

General

Target

5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
Size

582KB
MD5

7f5532422bc37e37aacead6b8af7bac0
SHA1

7b38714edc7146fe45ba7dafa0af6136f4c78cfe
SHA256

5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083d
SHA512

ff0c35e981241f7331c0e8251000f3f11cb908d40732b7acf634bf63a3367330fc3049ce9e45e9523fd4276109a38c2e422e5b8020f3d1b8e4b1d78e28046671
SSDEEP

12288:U5f0fn6Qic+BlHjsZa9c+wHfHuOoGSprhtYU6l+tJz:CbX5LAUM/OJGKqU6l+tl

Score

10^/10

formbook c18x discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c18x

Decoy

naer.top

loominc.club

eslgnpro.shop

rthodontist-53086.bond

hkil-art.online

-health.events

ustommygifts.online

reenscapemedia.online

mcometrade.online

mq8z.christmas

hristophersremodeling.biz

iverpoolvr.info

xlaw.app

heartpa.shop

nbxsbsk.shop

ompany-chargeback.pro

hevikingshucker.net

anaara.net

eadgenrndtbl.net

odagc.info

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/2500-11-0x0000000000400000-0x000000000042F000-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
2804	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.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 2 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	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
2500	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
2804	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
Token: SeDebugPrivilege	2804	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2804	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	31
PID 2364 wrote to memory of 2804	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	31
PID 2364 wrote to memory of 2804	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	31
PID 2364 wrote to memory of 2804	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	31
PID 2364 wrote to memory of 2220	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	32
PID 2364 wrote to memory of 2220	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	32
PID 2364 wrote to memory of 2220	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	32
PID 2364 wrote to memory of 2220	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	32
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34
PID 2364 wrote to memory of 2500	2364	5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe	34

C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
"C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
  "C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe"
  2⤵
  PID:2220
- C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe
  "C:\Users\Admin\AppData\Local\Temp\5e8cfae8c74f546024e9267537040349b266455f630f0fa756747143efc1083dN.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

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Downloads

memory/2364-6-0x00000000051B0000-0x0000000005226000-memory.dmp

Filesize
472KB

Download
memory/2364-1-0x0000000000210000-0x00000000002A8000-memory.dmp

Filesize
608KB

Download
memory/2364-2-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-3-0x00000000005F0000-0x0000000000608000-memory.dmp

Filesize
96KB

Download
memory/2364-4-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/2364-5-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-0-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/2364-12-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2500-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2500-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2500-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2500-15-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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