formbook | a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 01:40

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General

Target

a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe
Size

707KB
MD5

e975f8c51ed731735835c13c150d3a03
SHA1

1740d4342923f2bef21936af92e2381b58ab6993
SHA256

a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
SHA512

33a9d0d70d1aa57b3353b6e84e34fc3fbf92ede61a9145942f755aa766f8cf7ff5a516d1ea02d657025d5f068c073eb21d4d0d42040afc014dc96ed45eb10404
SSDEEP

12288:p7HSDzsiQEsnXP785zl6lclC75YbfPGl8kurytPmUDvYkz0lj:p7HSDD5sXHlcBal8kuryZfEw0l

Score

10^/10

formbook na10 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

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/1348-26-0x0000000000400000-0x000000000042F000-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

pid	Process
3596	powershell.exe
492	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-1-5-21-857544305-989156968-2929034274-1000\Control Panel\International\Geo\Nation	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92

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	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.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
1836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3596	powershell.exe
492	powershell.exe
1348	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe
1348	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe
3596	powershell.exe
492	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	powershell.exe
Token: SeDebugPrivilege	492	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 3596	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	86
PID 2056 wrote to memory of 3596	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	86
PID 2056 wrote to memory of 3596	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	86
PID 2056 wrote to memory of 492	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	88
PID 2056 wrote to memory of 492	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	88
PID 2056 wrote to memory of 492	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	88
PID 2056 wrote to memory of 1836	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	90
PID 2056 wrote to memory of 1836	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	90
PID 2056 wrote to memory of 1836	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	90
PID 2056 wrote to memory of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92
PID 2056 wrote to memory of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92
PID 2056 wrote to memory of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92
PID 2056 wrote to memory of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92
PID 2056 wrote to memory of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92
PID 2056 wrote to memory of 1348	2056	a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe	92

C:\Users\Admin\AppData\Local\Temp\a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe
"C:\Users\Admin\AppData\Local\Temp\a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- 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\a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HUuXEi.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUuXEi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B43.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1836
- C:\Users\Admin\AppData\Local\Temp\a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe
  "C:\Users\Admin\AppData\Local\Temp\a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1348

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\Temp\__PSScriptPolicyTest_u2t1kyss.dqf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1B43.tmp

Filesize
1KB

MD5
4a932c0ee9c4170a01e3f15b3ab2a4e1

SHA1
ecafdb600fa616de4a35c0334e1b22ee13e35b74

SHA256
6ac576bad7a06784d61f5f9c9d0c2e2a1bb0c4f209e010b419f664841247de66

SHA512
4780d5ff615376dec840b04797f559e1deb46ce03929b66c116ac5bafe3b9f4d0985edaef8abf79e1bae5fe7409d74eab50ba744e4c0033c426bee3064b7bc50

Download Submit
memory/492-82-0x0000000007310000-0x0000000007318000-memory.dmp

Filesize
32KB

Download
memory/492-25-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/492-67-0x0000000075660000-0x00000000756AC000-memory.dmp

Filesize
304KB

Download
memory/492-79-0x0000000007220000-0x000000000722E000-memory.dmp

Filesize
56KB

Download
memory/492-19-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/492-80-0x0000000007230000-0x0000000007244000-memory.dmp

Filesize
80KB

Download
memory/492-81-0x0000000007330000-0x000000000734A000-memory.dmp

Filesize
104KB

Download
memory/492-85-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1348-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2056-6-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/2056-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2056-9-0x0000000002CB0000-0x0000000002D26000-memory.dmp

Filesize
472KB

Download
memory/2056-8-0x0000000005840000-0x000000000584C000-memory.dmp

Filesize
48KB

Download
memory/2056-7-0x00000000057E0000-0x00000000057F8000-memory.dmp

Filesize
96KB

Download
memory/2056-35-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/2056-5-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/2056-22-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2056-4-0x00000000053B0000-0x00000000053BA000-memory.dmp

Filesize
40KB

Download
memory/2056-3-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/2056-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

Filesize
5.6MB

Download
memory/2056-1-0x0000000000850000-0x0000000000906000-memory.dmp

Filesize
728KB

Download
memory/2056-27-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3596-16-0x00000000050D0000-0x00000000056F8000-memory.dmp

Filesize
6.2MB

Download
memory/3596-24-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/3596-29-0x00000000058E0000-0x0000000005C34000-memory.dmp

Filesize
3.3MB

Download
memory/3596-49-0x0000000005ED0000-0x0000000005EEE000-memory.dmp

Filesize
120KB

Download
memory/3596-50-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

Filesize
304KB

Download
memory/3596-51-0x00000000064A0000-0x00000000064D2000-memory.dmp

Filesize
200KB

Download
memory/3596-52-0x0000000075660000-0x00000000756AC000-memory.dmp

Filesize
304KB

Download
memory/3596-63-0x00000000070C0000-0x0000000007163000-memory.dmp

Filesize
652KB

Download
memory/3596-62-0x0000000006E90000-0x0000000006EAE000-memory.dmp

Filesize
120KB

Download
memory/3596-65-0x0000000007200000-0x000000000721A000-memory.dmp

Filesize
104KB

Download
memory/3596-64-0x0000000007840000-0x0000000007EBA000-memory.dmp

Filesize
6.5MB

Download
memory/3596-66-0x0000000007270000-0x000000000727A000-memory.dmp

Filesize
40KB

Download
memory/3596-21-0x0000000005010000-0x0000000005032000-memory.dmp

Filesize
136KB

Download
memory/3596-77-0x0000000007480000-0x0000000007516000-memory.dmp

Filesize
600KB

Download
memory/3596-78-0x0000000007400000-0x0000000007411000-memory.dmp

Filesize
68KB

Download
memory/3596-23-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/3596-18-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3596-17-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3596-15-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3596-86-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3596-14-0x0000000004930000-0x0000000004966000-memory.dmp

Filesize
216KB

Download