formbook | 2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891

Analysis

max time kernel
149s
max time network
150s
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 09:31

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General

Target

2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
Size

768KB
MD5

5aa8233ac59851776b9bc4f60c995752
SHA1

ed7a5b480b9f15feb6827f5053b10bdbf8c97ab6
SHA256

2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891
SHA512

1aa406e8ef185796090882380e5f6165e559c9a520ce949ccf9ea604f7b56abd4918355aeab6ed5e8ace60c9e8c155b6d84ae7a9701caf17a4354289885ba3a8
SSDEEP

24576:iZMvvzf7yduCoa9PsV3wEcru7OcHJkyJ9:iUvzfugCoaZ23/cCpH6yJ9

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/4904-22-0x0000000000400000-0x000000000042F000-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
1964	powershell.exe
2968	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4208 set thread context of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.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
4480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
2968	powershell.exe
4904	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
4904	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
1964	powershell.exe
2968	powershell.exe
1964	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	1964	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 2968	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	98
PID 4208 wrote to memory of 2968	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	98
PID 4208 wrote to memory of 2968	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	98
PID 4208 wrote to memory of 1964	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	100
PID 4208 wrote to memory of 1964	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	100
PID 4208 wrote to memory of 1964	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	100
PID 4208 wrote to memory of 4480	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	102
PID 4208 wrote to memory of 4480	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	102
PID 4208 wrote to memory of 4480	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	102
PID 4208 wrote to memory of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104
PID 4208 wrote to memory of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104
PID 4208 wrote to memory of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104
PID 4208 wrote to memory of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104
PID 4208 wrote to memory of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104
PID 4208 wrote to memory of 4904	4208	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	104

C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
"C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.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:4208
- 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\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HxZhuo.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1964
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HxZhuo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0AE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4480
- C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
  "C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4904

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
c3b637f8a9a7d09955786162f0294e4c

SHA1
ee4d2469c68a0d549265d2beb2504b6dc31e35cf

SHA256
12b85da6e71dc6db9064d03d0a0eb1e7befa13c941cbe246fcc947eb81625244

SHA512
a94a73d49b6d78fff0e7e53fa8a74379d74d201ae052dabfc8e85ad8cd542b6d4aebee36ee14c9b323339eb378a670f55df19e035b05b9c09f455e4ff3267740

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pbdb4edz.dtp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD0AE.tmp

Filesize
1KB

MD5
a9927cd619aab3ed1bcd779303dac6a6

SHA1
5a3bd683fc3b335ded3227c60162bda7ba31d2b9

SHA256
a476c76824a7630800799b0397fb5bddf377e2dd4eba7b0634931d217eafbedd

SHA512
1ba07825384313c342eb13a3134a926dbe4993c4a6edff10553f768b2fb4b99c2fd6be7cdb7ef426278defa4a8d7d04de5bafcc7f804d50d4604649eaaf6ea41

Download Submit
memory/1964-90-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/1964-66-0x0000000071150000-0x000000007119C000-memory.dmp

Filesize
304KB

Download
memory/1964-26-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/1964-24-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1964-20-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2968-28-0x0000000005CD0000-0x0000000005D36000-memory.dmp

Filesize
408KB

Download
memory/2968-42-0x00000000063B0000-0x00000000063CE000-memory.dmp

Filesize
120KB

Download
memory/2968-15-0x0000000004E20000-0x0000000004E56000-memory.dmp

Filesize
216KB

Download
memory/2968-17-0x0000000005490000-0x0000000005AB8000-memory.dmp

Filesize
6.2MB

Download
memory/2968-16-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2968-18-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2968-91-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2968-84-0x0000000007A00000-0x0000000007A08000-memory.dmp

Filesize
32KB

Download
memory/2968-83-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/2968-82-0x0000000007920000-0x0000000007934000-memory.dmp

Filesize
80KB

Download
memory/2968-29-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/2968-81-0x0000000007910000-0x000000000791E000-memory.dmp

Filesize
56KB

Download
memory/2968-80-0x00000000078E0000-0x00000000078F1000-memory.dmp

Filesize
68KB

Download
memory/2968-79-0x0000000007960000-0x00000000079F6000-memory.dmp

Filesize
600KB

Download
memory/2968-41-0x0000000005DC0000-0x0000000006114000-memory.dmp

Filesize
3.3MB

Download
memory/2968-78-0x0000000007750000-0x000000000775A000-memory.dmp

Filesize
40KB

Download
memory/2968-27-0x0000000005C30000-0x0000000005C52000-memory.dmp

Filesize
136KB

Download
memory/2968-23-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/2968-77-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/2968-76-0x0000000007D20000-0x000000000839A000-memory.dmp

Filesize
6.5MB

Download
memory/2968-52-0x0000000006470000-0x00000000064BC000-memory.dmp

Filesize
304KB

Download
memory/2968-53-0x00000000069C0000-0x00000000069F2000-memory.dmp

Filesize
200KB

Download
memory/2968-64-0x0000000006980000-0x000000000699E000-memory.dmp

Filesize
120KB

Download
memory/2968-54-0x0000000071150000-0x000000007119C000-memory.dmp

Filesize
304KB

Download
memory/2968-65-0x00000000073D0000-0x0000000007473000-memory.dmp

Filesize
652KB

Download
memory/4208-8-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/4208-7-0x0000000004DD0000-0x0000000004DE2000-memory.dmp

Filesize
72KB

Download
memory/4208-1-0x0000000000070000-0x0000000000134000-memory.dmp

Filesize
784KB

Download
memory/4208-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/4208-5-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4208-30-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4208-10-0x0000000006180000-0x00000000061F8000-memory.dmp

Filesize
480KB

Download
memory/4208-9-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4208-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp

Filesize
584KB

Download
memory/4208-4-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/4208-6-0x0000000004E00000-0x0000000004E9C000-memory.dmp

Filesize
624KB

Download
memory/4208-2-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download
memory/4904-31-0x00000000019F0000-0x0000000001D3A000-memory.dmp

Filesize
3.3MB

Download
memory/4904-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download