formbook | 2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788

Analysis

max time kernel
95s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 04:32

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General

Target

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
Size

676KB
MD5

57d485ab07368d3d7fbd1b62b8bb6a5f
SHA1

15749ab51781854689d73a7f7a94d6052546fa9a
SHA256

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788
SHA512

7abdbfad7c6ba7956b580c6656d4224ac5023c6df7754a35025bd82b6190f543cd35bf220e3130070799599b10b7b017e2a262d971fab29dd62e2c372a4b6118
SSDEEP

12288:vrOd+Ri3AgFd13C1/CYU0EY5ZLl2YFye+JwP78lprlDfB:tQ3Ag13EKx0BR+2YlppD5

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4864-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2332	powershell.exe
856	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe

description	pid	Process	procid_target
PID 408 set thread context of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95

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

Processes:

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exepowershell.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exe

pid	Process
4576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exepowershell.exepowershell.exe2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe

pid	Process
408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
2332	powershell.exe
856	powershell.exe
408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
2332	powershell.exe
4864	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
4864	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
856	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
Token: SeDebugPrivilege	2332	powershell.exe
Token: SeDebugPrivilege	856	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe

description	pid	Process	procid_target
PID 408 wrote to memory of 2332	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	89
PID 408 wrote to memory of 2332	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	89
PID 408 wrote to memory of 2332	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	89
PID 408 wrote to memory of 856	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	91
PID 408 wrote to memory of 856	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	91
PID 408 wrote to memory of 856	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	91
PID 408 wrote to memory of 4576	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	93
PID 408 wrote to memory of 4576	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	93
PID 408 wrote to memory of 4576	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	93
PID 408 wrote to memory of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95
PID 408 wrote to memory of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95
PID 408 wrote to memory of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95
PID 408 wrote to memory of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95
PID 408 wrote to memory of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95
PID 408 wrote to memory of 4864	408	2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe	95

C:\Users\Admin\AppData\Local\Temp\2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
"C:\Users\Admin\AppData\Local\Temp\2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408
- 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\2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2332
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tOaFoZLjud.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:856
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tOaFoZLjud" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE67.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4576
- C:\Users\Admin\AppData\Local\Temp\2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe
  "C:\Users\Admin\AppData\Local\Temp\2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
a7c2ef40542c7f6a785bee167a6f157f

SHA1
23544d1867f006214467b8006d0bdb2c8ce8fafe

SHA256
15b603abf883a9de2f5f923c07ef176b8bbc1a6abcc0ddca81d1a01fcbe7e5e8

SHA512
c36779d91a1b31b0b707cdd590f324ca9c4ca9dbe89225f410d7bcd06485f0ca47ecb87ff6ac3f6316e26e397da99fa1c196a81955be5916ccd29195384c1508

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1os40tid.04c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEE67.tmp

Filesize
1KB

MD5
fca3431f657da8a5af7c352959ffd8c7

SHA1
caa3d23f0bf94c5094b2a9e20f8749cef8fa67e2

SHA256
e5a311dd068059ededffb5212a5872c0a437b0b62d0392d5c400e99bc25408b2

SHA512
3611f9e7b751a32729e37fddc8d4e6ea0464eb9c65fa339a5a85bb648aba48cd0e2c9ab2bcf73abeaecf0a81ea4b6ad8a4a38653af9fb23e4088b438d019b475

Download Submit
memory/408-10-0x0000000006C00000-0x0000000006C78000-memory.dmp

Filesize
480KB

Download
memory/408-4-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/408-6-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/408-7-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/408-8-0x00000000054C0000-0x00000000054D2000-memory.dmp

Filesize
72KB

Download
memory/408-9-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/408-45-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/408-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/408-1-0x0000000000790000-0x000000000083E000-memory.dmp

Filesize
696KB

Download
memory/408-5-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/408-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/408-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/856-19-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/856-21-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/856-79-0x0000000007390000-0x000000000739E000-memory.dmp

Filesize
56KB

Download
memory/856-62-0x00000000752E0000-0x000000007532C000-memory.dmp

Filesize
304KB

Download
memory/856-89-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/856-32-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2332-15-0x0000000002F20000-0x0000000002F56000-memory.dmp

Filesize
216KB

Download
memory/2332-75-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/2332-17-0x0000000005A20000-0x0000000006048000-memory.dmp

Filesize
6.2MB

Download
memory/2332-23-0x0000000005970000-0x0000000005992000-memory.dmp

Filesize
136KB

Download
memory/2332-22-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2332-49-0x0000000006830000-0x000000000684E000-memory.dmp

Filesize
120KB

Download
memory/2332-50-0x0000000006D70000-0x0000000006DBC000-memory.dmp

Filesize
304KB

Download
memory/2332-24-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/2332-69-0x0000000007A30000-0x0000000007AD3000-memory.dmp

Filesize
652KB

Download
memory/2332-63-0x0000000006E70000-0x0000000006E8E000-memory.dmp

Filesize
120KB

Download
memory/2332-52-0x00000000752E0000-0x000000007532C000-memory.dmp

Filesize
304KB

Download
memory/2332-51-0x0000000006E00000-0x0000000006E32000-memory.dmp

Filesize
200KB

Download
memory/2332-74-0x00000000081A0000-0x000000000881A000-memory.dmp

Filesize
6.5MB

Download
memory/2332-44-0x0000000006230000-0x0000000006584000-memory.dmp

Filesize
3.3MB

Download
memory/2332-76-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/2332-77-0x0000000007DE0000-0x0000000007E76000-memory.dmp

Filesize
600KB

Download
memory/2332-78-0x0000000007D60000-0x0000000007D71000-memory.dmp

Filesize
68KB

Download
memory/2332-25-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/2332-80-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

Filesize
80KB

Download
memory/2332-81-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

Filesize
104KB

Download
memory/2332-82-0x0000000007E80000-0x0000000007E88000-memory.dmp

Filesize
32KB

Download
memory/2332-18-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2332-16-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2332-88-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4864-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download