formbook | f3fe763c0bab8b6423578bbe031190508406459cf1648b47dcba314c95ca8fbc

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 13:02

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General

Target

UjCrfOAkJJiZyZh.exe
Size

720KB
MD5

8bc1a99eb7877ceb4fc51338ef7fe9f2
SHA1

e16dc5f7b5af7340c8ccf95f0bb66f4dc7516053
SHA256

f3fe763c0bab8b6423578bbe031190508406459cf1648b47dcba314c95ca8fbc
SHA512

8e1768e9fb8279dad8deba557e3d06c65646508c87cd18c9b3d031969ee9ebec2024cc9af3cfcbb5d497d835049364726542c9ca3e7259d5d2b30491dc61bcbc
SSDEEP

12288:tU3929BC4rqhp2ejzGSs89JtD0EEdf6aqjCScbuyUIzEYPmRDCVZkR:tU89BNuhT489J90EEdf6aSci+9E

Score

10^/10

formbook ps15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/5068-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5068-81-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1036-94-0x0000000000FC0000-0x0000000000FEF000-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
4668	powershell.exe
1196	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	UjCrfOAkJJiZyZh.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 5068 set thread context of 3408	5068	UjCrfOAkJJiZyZh.exe	56
PID 1036 set thread context of 3408	1036	help.exe	56

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 6 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	UjCrfOAkJJiZyZh.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4668	powershell.exe
1196	powershell.exe
5068	UjCrfOAkJJiZyZh.exe
5068	UjCrfOAkJJiZyZh.exe
5068	UjCrfOAkJJiZyZh.exe
5068	UjCrfOAkJJiZyZh.exe
4668	powershell.exe
1196	powershell.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe
1036	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5068	UjCrfOAkJJiZyZh.exe
5068	UjCrfOAkJJiZyZh.exe
5068	UjCrfOAkJJiZyZh.exe
1036	help.exe
1036	help.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	powershell.exe
Token: SeDebugPrivilege	1196	powershell.exe
Token: SeDebugPrivilege	5068	UjCrfOAkJJiZyZh.exe
Token: SeDebugPrivilege	1036	help.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 4668	3984	UjCrfOAkJJiZyZh.exe	86
PID 3984 wrote to memory of 4668	3984	UjCrfOAkJJiZyZh.exe	86
PID 3984 wrote to memory of 4668	3984	UjCrfOAkJJiZyZh.exe	86
PID 3984 wrote to memory of 1196	3984	UjCrfOAkJJiZyZh.exe	88
PID 3984 wrote to memory of 1196	3984	UjCrfOAkJJiZyZh.exe	88
PID 3984 wrote to memory of 1196	3984	UjCrfOAkJJiZyZh.exe	88
PID 3984 wrote to memory of 1580	3984	UjCrfOAkJJiZyZh.exe	90
PID 3984 wrote to memory of 1580	3984	UjCrfOAkJJiZyZh.exe	90
PID 3984 wrote to memory of 1580	3984	UjCrfOAkJJiZyZh.exe	90
PID 3984 wrote to memory of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 3984 wrote to memory of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 3984 wrote to memory of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 3984 wrote to memory of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 3984 wrote to memory of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 3984 wrote to memory of 5068	3984	UjCrfOAkJJiZyZh.exe	92
PID 3408 wrote to memory of 1036	3408	Explorer.EXE	93
PID 3408 wrote to memory of 1036	3408	Explorer.EXE	93
PID 3408 wrote to memory of 1036	3408	Explorer.EXE	93
PID 1036 wrote to memory of 3296	1036	help.exe	94
PID 1036 wrote to memory of 3296	1036	help.exe	94
PID 1036 wrote to memory of 3296	1036	help.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\UjCrfOAkJJiZyZh.exe
  "C:\Users\Admin\AppData\Local\Temp\UjCrfOAkJJiZyZh.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3984
- - 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\UjCrfOAkJJiZyZh.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4668
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQRtjgLz.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1196
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQRtjgLz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6FE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1580
- - C:\Users\Admin\AppData\Local\Temp\UjCrfOAkJJiZyZh.exe
    "C:\Users\Admin\AppData\Local\Temp\UjCrfOAkJJiZyZh.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5068
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\UjCrfOAkJJiZyZh.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3296

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
501d50194b6ce073d745d3b6c881c402

SHA1
846c3009cf7832867de750df5a37c7ab840b1170

SHA256
3015b07d47a2b30c1d096dbd459996fbcf15713a51cfb68fdb126241495ae601

SHA512
2ba7a12a2b469c05657b5727cc42cd13a9c859a3faae010e91458f90baca70efd3e155b3c156c3c6a9302d52391f1a3b82eb7a6c2881f269cfbad49d60ba0b96

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gh10pou3.x0x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA6FE.tmp

Filesize
1KB

MD5
94034bd447ec0df3c98ee5c780ff3b5a

SHA1
5b5d58c6b81476b9e95462a709d6f8573b40db2d

SHA256
58f0b0b1e7f835e3d462ece22ba3547a6279a5b518840fc5a8d7fe76361e0af2

SHA512
795b525131110ecfff87f7d7c88dfe6d21a529bb7e6bc4dbe10764c93f1bfd15031afffb15b63bec718feea6ab71730ca6947aaa9147a536e0e0b81cc864e5a4

Download Submit
memory/1036-94-0x0000000000FC0000-0x0000000000FEF000-memory.dmp

Filesize
188KB

Download
memory/1036-80-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/1196-64-0x0000000075540000-0x000000007558C000-memory.dmp

Filesize
304KB

Download
memory/1196-89-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/1196-78-0x0000000007780000-0x0000000007816000-memory.dmp

Filesize
600KB

Download
memory/1196-19-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/1196-82-0x0000000007730000-0x000000000773E000-memory.dmp

Filesize
56KB

Download
memory/1196-85-0x0000000007840000-0x000000000785A000-memory.dmp

Filesize
104KB

Download
memory/1196-86-0x0000000007820000-0x0000000007828000-memory.dmp

Filesize
32KB

Download
memory/1196-75-0x0000000007B40000-0x00000000081BA000-memory.dmp

Filesize
6.5MB

Download
memory/1196-79-0x0000000007700000-0x0000000007711000-memory.dmp

Filesize
68KB

Download
memory/1196-20-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3408-97-0x0000000007DE0000-0x0000000007EE9000-memory.dmp

Filesize
1.0MB

Download
memory/3984-4-0x0000000004D40000-0x0000000004D4A000-memory.dmp

Filesize
40KB

Download
memory/3984-7-0x00000000051F0000-0x0000000005206000-memory.dmp

Filesize
88KB

Download
memory/3984-27-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/3984-28-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3984-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/3984-30-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3984-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/3984-2-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/3984-6-0x0000000005030000-0x00000000050CC000-memory.dmp

Filesize
624KB

Download
memory/3984-5-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3984-9-0x0000000006030000-0x00000000060A6000-memory.dmp

Filesize
472KB

Download
memory/3984-8-0x0000000005220000-0x000000000522E000-memory.dmp

Filesize
56KB

Download
memory/3984-1-0x00000000003D0000-0x0000000000486000-memory.dmp

Filesize
728KB

Download
memory/4668-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4668-24-0x0000000005D90000-0x0000000005DF6000-memory.dmp

Filesize
408KB

Download
memory/4668-52-0x00000000075C0000-0x00000000075F2000-memory.dmp

Filesize
200KB

Download
memory/4668-74-0x0000000007600000-0x00000000076A3000-memory.dmp

Filesize
652KB

Download
memory/4668-53-0x0000000075540000-0x000000007558C000-memory.dmp

Filesize
304KB

Download
memory/4668-76-0x0000000007730000-0x000000000774A000-memory.dmp

Filesize
104KB

Download
memory/4668-77-0x00000000077A0000-0x00000000077AA000-memory.dmp

Filesize
40KB

Download
memory/4668-51-0x00000000064A0000-0x00000000064EC000-memory.dmp

Filesize
304KB

Download
memory/4668-50-0x0000000006410000-0x000000000642E000-memory.dmp

Filesize
120KB

Download
memory/4668-14-0x0000000002B20000-0x0000000002B56000-memory.dmp

Filesize
216KB

Download
memory/4668-22-0x0000000005C80000-0x0000000005CA2000-memory.dmp

Filesize
136KB

Download
memory/4668-63-0x0000000007580000-0x000000000759E000-memory.dmp

Filesize
120KB

Download
memory/4668-83-0x0000000007970000-0x0000000007984000-memory.dmp

Filesize
80KB

Download
memory/4668-16-0x0000000005520000-0x0000000005B48000-memory.dmp

Filesize
6.2MB

Download
memory/4668-84-0x0000000007A70000-0x0000000007A8A000-memory.dmp

Filesize
104KB

Download
memory/4668-29-0x0000000005E00000-0x0000000006154000-memory.dmp

Filesize
3.3MB

Download
memory/4668-23-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4668-18-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4668-93-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4668-15-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5068-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5068-81-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download