formbook | e8994a0cb8ef240fb30be87d86b552d2580cdfc8b468429d2f7f0acbbd3b8ef0

Analysis

max time kernel
134s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 03:55

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General

Target

cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
Size

733KB
MD5

7095e01e6bf3655a8b1d1449a91cd195
SHA1

59bcb0f7b17b4d6ccb6efd8f3a47a5bf6f1b2268
SHA256

cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba
SHA512

ab6444bc46a4f037ecdce3b57b9f92732ce17e4034e9616d067c6148bae34ed3bfeba4f6e2b2aee2d4391cd679a0737e4fabaf0d0c940ec0b22bad167e501a21
SSDEEP

12288:FoQyRAvxF72mzaRZJvfUAp2F0Fthci5UoiKqBLXpOi/8UOkWTSWK:sSxF7HzaRFpA0X3viKk5JsfSz

Score

10^/10

formbook bi05 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

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
behavioral2/memory/3576-36-0x0000000000400000-0x000000000042F000-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
4920	powershell.exe
3036	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4832 set thread context of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100

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	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.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
1704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
4920	powershell.exe
4920	powershell.exe
3036	powershell.exe
3036	powershell.exe
4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
3036	powershell.exe
4920	powershell.exe
3576	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
3576	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
Token: SeDebugPrivilege	4920	powershell.exe
Token: SeDebugPrivilege	3036	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 4920	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	94
PID 4832 wrote to memory of 4920	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	94
PID 4832 wrote to memory of 4920	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	94
PID 4832 wrote to memory of 3036	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	96
PID 4832 wrote to memory of 3036	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	96
PID 4832 wrote to memory of 3036	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	96
PID 4832 wrote to memory of 1704	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	98
PID 4832 wrote to memory of 1704	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	98
PID 4832 wrote to memory of 1704	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	98
PID 4832 wrote to memory of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100
PID 4832 wrote to memory of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100
PID 4832 wrote to memory of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100
PID 4832 wrote to memory of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100
PID 4832 wrote to memory of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100
PID 4832 wrote to memory of 3576	4832	cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe	100

C:\Users\Admin\AppData\Local\Temp\cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
"C:\Users\Admin\AppData\Local\Temp\cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.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:4832
- 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\cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4920
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ajZqJStNo.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ajZqJStNo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC4B7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1704
- C:\Users\Admin\AppData\Local\Temp\cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe
  "C:\Users\Admin\AppData\Local\Temp\cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3576

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
abf38cd7e7ddec16a01bd5bbc770b771

SHA1
f6fc974887ea4518d9f5d2ff3ad40fbbfe5616db

SHA256
6dc266b9936b4a0acc4fe74349da6a0f97ec87674e80481b1d0ac486775b3b38

SHA512
5c8cd62819e4d09a65d5a226e233658d45ecad424be1076f4eba8a4d4d4a39bc3e54df643be4a390236c13f3ccab19191d0f17d7c639f9b92562ac5cb7e98f65

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0wheb0m3.dsg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC4B7.tmp

Filesize
1KB

MD5
fa539720eee54a7efe415b0d11b3e6f6

SHA1
76bed060a27d099bc3f7a8db6e580b4d800a612d

SHA256
74fb72ddc499dc63c95cfb74bbeb20d0d9c8f6c99a079a1610e8d4e57b7b8be0

SHA512
66f4395f845d10bee7c266ea4360cffb12ad92cac346c7fe3fa3e47ee91f8e2bc9087550e7cb2dc95dc6e14b43107000931c28a5820228ebe0a04f76a4b7a15f

Download Submit
memory/3036-74-0x0000000006E40000-0x0000000006EE3000-memory.dmp

Filesize
652KB

Download
memory/3036-77-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

Filesize
40KB

Download
memory/3036-47-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3036-53-0x00000000759F0000-0x0000000075A3C000-memory.dmp

Filesize
304KB

Download
memory/3036-81-0x00000000071A0000-0x00000000071B4000-memory.dmp

Filesize
80KB

Download
memory/3036-37-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3036-80-0x0000000007190000-0x000000000719E000-memory.dmp

Filesize
56KB

Download
memory/3036-79-0x0000000007160000-0x0000000007171000-memory.dmp

Filesize
68KB

Download
memory/3036-26-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3036-90-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3036-72-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/3036-76-0x0000000006F60000-0x0000000006F7A000-memory.dmp

Filesize
104KB

Download
memory/3036-83-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/3036-82-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/3576-36-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4832-8-0x00000000055F0000-0x000000000560E000-memory.dmp

Filesize
120KB

Download
memory/4832-12-0x0000000006BE0000-0x0000000006C56000-memory.dmp

Filesize
472KB

Download
memory/4832-11-0x00000000057A0000-0x00000000057B6000-memory.dmp

Filesize
88KB

Download
memory/4832-10-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4832-9-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4832-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4832-7-0x0000000005500000-0x000000000559C000-memory.dmp

Filesize
624KB

Download
memory/4832-6-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4832-49-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4832-5-0x0000000005280000-0x000000000528A000-memory.dmp

Filesize
40KB

Download
memory/4832-4-0x0000000005D60000-0x00000000060B4000-memory.dmp

Filesize
3.3MB

Download
memory/4832-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/4832-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/4832-1-0x0000000000780000-0x000000000083C000-memory.dmp

Filesize
752KB

Download
memory/4920-23-0x0000000004E90000-0x0000000004EB2000-memory.dmp

Filesize
136KB

Download
memory/4920-52-0x0000000006320000-0x0000000006352000-memory.dmp

Filesize
200KB

Download
memory/4920-54-0x00000000759F0000-0x0000000075A3C000-memory.dmp

Filesize
304KB

Download
memory/4920-75-0x00000000076B0000-0x0000000007D2A000-memory.dmp

Filesize
6.5MB

Download
memory/4920-51-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

Filesize
304KB

Download
memory/4920-78-0x00000000072F0000-0x0000000007386000-memory.dmp

Filesize
600KB

Download
memory/4920-50-0x0000000005D30000-0x0000000005D4E000-memory.dmp

Filesize
120KB

Download
memory/4920-24-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4920-25-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4920-21-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4920-20-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4920-18-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4920-19-0x0000000004F60000-0x0000000005588000-memory.dmp

Filesize
6.2MB

Download
memory/4920-17-0x0000000002440000-0x0000000002476000-memory.dmp

Filesize
216KB

Download
memory/4920-89-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download