formbook | c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187

Analysis

max time kernel
93s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 02:55

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General

Target

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Size

633KB
MD5

8dd4adce71cfa1cd8d33eccf4da34043
SHA1

2da9f1662d721ee5dd32273b45608078b930ad35
SHA256

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187
SHA512

35140a18504b50d0119aa67e01dd3db097a24512e1567580ac8640f9fcf2b908eed8374a8b6476bab6ee9170e2fc7a1a2d2d29de3aadf3d16754917d1e365779
SSDEEP

12288:PXm0LA8PMyhx7WUh0Mzgn1I9CYeXRU9/YZl/ycoInCRngGo315IeypRxDxD0:PA877WU3En18CYeXq1KL4nv615Ij

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

resource	yara_rule
behavioral2/memory/2280-32-0x0000000000400000-0x000000000042F000-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

pid	Process
4276	powershell.exe
868	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1424 set thread context of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105

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	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.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

pid	Process
2356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
4276	powershell.exe
868	powershell.exe
1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2280	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2280	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
4276	powershell.exe
868	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Token: SeDebugPrivilege	4276	powershell.exe
Token: SeDebugPrivilege	868	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 4276	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	99
PID 1424 wrote to memory of 4276	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	99
PID 1424 wrote to memory of 4276	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	99
PID 1424 wrote to memory of 868	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	101
PID 1424 wrote to memory of 868	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	101
PID 1424 wrote to memory of 868	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	101
PID 1424 wrote to memory of 2356	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	103
PID 1424 wrote to memory of 2356	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	103
PID 1424 wrote to memory of 2356	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	103
PID 1424 wrote to memory of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 1424 wrote to memory of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 1424 wrote to memory of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 1424 wrote to memory of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 1424 wrote to memory of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 1424 wrote to memory of 2280	1424	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105

C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
"C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.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:1424
- 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\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4276
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mtDSkHtnsz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:868
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtDSkHtnsz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDD2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2356
- C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
  "C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2280

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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
2f980ff19ffd3a5e096bf47c2fd45215

SHA1
0a7c1ee758e55fb7a67e48c43cd78ffae54a0327

SHA256
f7957770b26f8ad8680f11ca56c23d3f626ac2c9556cf96277cb4cc2a7e5feb3

SHA512
870d37afd922f1fff0e43887c60083abb8a8248e8e576292d4ea18e8d3b1ff3c51c477ab1a1557404cadb4d783da219bed6615d9dfdbd14bab311c0233fe3e35

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ezuda0up.1gc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBDD2.tmp

Filesize
1KB

MD5
dd66024758dbc0004e5f99b757c5d6f3

SHA1
d7045459d53d791686fd60466b495413f1f55f9d

SHA256
77f8d844af0baf22b97cb21f81e903770f8c8a943a47f1c89fef5f4263fc3ea8

SHA512
6c1a43fcc0daf10b0e438c791633965d8fb74ac590c6275017ed95082cd8174c82c0f1a0093c295fb0782d11800db3a017bba1afcb09c13d341ceac7052d3b18

Download Submit
memory/868-80-0x0000000007C70000-0x0000000007C84000-memory.dmp

Filesize
80KB

Download
memory/868-78-0x0000000007C30000-0x0000000007C41000-memory.dmp

Filesize
68KB

Download
memory/868-62-0x0000000074F10000-0x0000000074F5C000-memory.dmp

Filesize
304KB

Download
memory/868-75-0x0000000007A30000-0x0000000007A4A000-memory.dmp

Filesize
104KB

Download
memory/868-74-0x0000000008070000-0x00000000086EA000-memory.dmp

Filesize
6.5MB

Download
memory/868-76-0x0000000007AA0000-0x0000000007AAA000-memory.dmp

Filesize
40KB

Download
memory/868-77-0x0000000007CB0000-0x0000000007D46000-memory.dmp

Filesize
600KB

Download
memory/868-22-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/868-89-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/868-79-0x0000000007C60000-0x0000000007C6E000-memory.dmp

Filesize
56KB

Download
memory/868-73-0x00000000076E0000-0x0000000007783000-memory.dmp

Filesize
652KB

Download
memory/868-82-0x0000000007D50000-0x0000000007D58000-memory.dmp

Filesize
32KB

Download
memory/868-21-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/868-81-0x0000000007D70000-0x0000000007D8A000-memory.dmp

Filesize
104KB

Download
memory/1424-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/1424-1-0x0000000000BA0000-0x0000000000C44000-memory.dmp

Filesize
656KB

Download
memory/1424-5-0x00000000058D0000-0x000000000596C000-memory.dmp

Filesize
624KB

Download
memory/1424-3-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/1424-6-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1424-44-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1424-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1424-10-0x0000000006B60000-0x0000000006BDA000-memory.dmp

Filesize
488KB

Download
memory/1424-9-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1424-8-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1424-7-0x00000000059D0000-0x00000000059E2000-memory.dmp

Filesize
72KB

Download
memory/1424-4-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/2280-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4276-15-0x00000000024D0000-0x0000000002506000-memory.dmp

Filesize
216KB

Download
memory/4276-63-0x0000000006F40000-0x0000000006F5E000-memory.dmp

Filesize
120KB

Download
memory/4276-52-0x0000000074F10000-0x0000000074F5C000-memory.dmp

Filesize
304KB

Download
memory/4276-51-0x0000000006F80000-0x0000000006FB2000-memory.dmp

Filesize
200KB

Download
memory/4276-50-0x0000000005E90000-0x0000000005EDC000-memory.dmp

Filesize
304KB

Download
memory/4276-49-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/4276-26-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4276-33-0x00000000057F0000-0x0000000005B44000-memory.dmp

Filesize
3.3MB

Download
memory/4276-23-0x0000000005010000-0x0000000005032000-memory.dmp

Filesize
136KB

Download
memory/4276-24-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/4276-19-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4276-18-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4276-17-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4276-16-0x0000000005070000-0x0000000005698000-memory.dmp

Filesize
6.2MB

Download
memory/4276-90-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download