formbook | 1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 01:25

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General

Target

1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
Size

716KB
MD5

2d6a88e10dfe5531ed92d544673dbf28
SHA1

ae492a0598cc2f6edaeb6ba2c9fbc0f863a4b295
SHA256

1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128
SHA512

973ea348ad79ccb41ab918daa9f4563b6e4f5e1036b8f0c55dcb85cb5a37db28d298455b8c898e361d9fde1b177f709a14f0424b56d921ca257809bc8db66a37
SSDEEP

12288:kU3929BC4rqhpFR/gnsb7GtDUABGSFprkijFML6n3gZ0kzmwt23xNFVH0lDkR:kU89BNuhXJgnsb7GtbFprk8qL63ENmwE

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 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1932-44-0x0000000000400000-0x000000000042F000-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
3348	powershell.exe
232	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-1-5-21-3089151618-2647890268-2710988337-1000\Control Panel\International\Geo\Nation	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3144 set thread context of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93

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	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.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
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
232	powershell.exe
3348	powershell.exe
3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
1932	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
1932	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
3348	powershell.exe
232	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	232	powershell.exe
Token: SeDebugPrivilege	3348	powershell.exe
Token: SeDebugPrivilege	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 232	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	86
PID 3144 wrote to memory of 232	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	86
PID 3144 wrote to memory of 232	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	86
PID 3144 wrote to memory of 3348	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	88
PID 3144 wrote to memory of 3348	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	88
PID 3144 wrote to memory of 3348	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	88
PID 3144 wrote to memory of 2708	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	90
PID 3144 wrote to memory of 2708	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	90
PID 3144 wrote to memory of 2708	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	90
PID 3144 wrote to memory of 4884	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	92
PID 3144 wrote to memory of 4884	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	92
PID 3144 wrote to memory of 4884	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	92
PID 3144 wrote to memory of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93
PID 3144 wrote to memory of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93
PID 3144 wrote to memory of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93
PID 3144 wrote to memory of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93
PID 3144 wrote to memory of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93
PID 3144 wrote to memory of 1932	3144	1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe	93

C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
"C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.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:3144
- 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\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:232
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrWjeBlboEyy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3348
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrWjeBlboEyy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF37.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
  "C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe"
  2⤵
  PID:4884
- C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
  "C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1932

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
1457e1e4217fd72b6bf6adab4d704488

SHA1
f2b3eaf69caa4e8668b56b8d0710e55d904a009e

SHA256
798b16237518e73adb06e84540a808ca3f766605efc24143ce11d8f7c7fb8807

SHA512
1d00af5d2220e353ed936e0ee7a6f95b7b9889018806a9465b5db6a99cc9add11c28391a365852e454aa83351b7fc9e3d02d359b87f13cc6f89c266a012a741e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vsyiy0cr.5nb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCF37.tmp

Filesize
1KB

MD5
d130cbc78f9f70d1efd93d3344f1265f

SHA1
1f7309241eb5ede3a6e0c8247adfa875fbf62869

SHA256
f7185f73050efda508723a6f6e19106938badd4ada49256bb77fcfe3b7b00d42

SHA512
ba94f745496a6743c3b8fa2e29bdf6bbc07bf121b30c6f209d09f77ec6a30f3e82e1d1e54387b6f57f110f680b84a3eec9eb5b18a85e1ced34adf86a1088f845

Download Submit
memory/232-43-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/232-84-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/232-72-0x00000000070A0000-0x0000000007143000-memory.dmp

Filesize
652KB

Download
memory/232-74-0x00000000071E0000-0x00000000071FA000-memory.dmp

Filesize
104KB

Download
memory/232-76-0x0000000007460000-0x00000000074F6000-memory.dmp

Filesize
600KB

Download
memory/232-78-0x0000000007410000-0x000000000741E000-memory.dmp

Filesize
56KB

Download
memory/232-14-0x0000000002590000-0x00000000025C6000-memory.dmp

Filesize
216KB

Download
memory/232-16-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/232-17-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/232-15-0x0000000005130000-0x0000000005758000-memory.dmp

Filesize
6.2MB

Download
memory/232-79-0x0000000007420000-0x0000000007434000-memory.dmp

Filesize
80KB

Download
memory/232-61-0x0000000074EE0000-0x0000000074F2C000-memory.dmp

Filesize
304KB

Download
memory/232-80-0x0000000007520000-0x000000000753A000-memory.dmp

Filesize
104KB

Download
memory/1932-44-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3144-6-0x0000000004E10000-0x0000000004EAC000-memory.dmp

Filesize
624KB

Download
memory/3144-1-0x0000000000100000-0x00000000001B4000-memory.dmp

Filesize
720KB

Download
memory/3144-2-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/3144-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

Filesize
584KB

Download
memory/3144-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/3144-4-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/3144-9-0x0000000006000000-0x0000000006076000-memory.dmp

Filesize
472KB

Download
memory/3144-47-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3144-8-0x0000000004FA0000-0x0000000004FAE000-memory.dmp

Filesize
56KB

Download
memory/3144-7-0x0000000004EE0000-0x0000000004EF6000-memory.dmp

Filesize
88KB

Download
memory/3144-5-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-45-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-51-0x0000000074EE0000-0x0000000074F2C000-memory.dmp

Filesize
304KB

Download
memory/3348-71-0x0000000006D70000-0x0000000006D8E000-memory.dmp

Filesize
120KB

Download
memory/3348-50-0x00000000077D0000-0x0000000007802000-memory.dmp

Filesize
200KB

Download
memory/3348-73-0x0000000008170000-0x00000000087EA000-memory.dmp

Filesize
6.5MB

Download
memory/3348-49-0x0000000006DA0000-0x0000000006DEC000-memory.dmp

Filesize
304KB

Download
memory/3348-75-0x0000000007BA0000-0x0000000007BAA000-memory.dmp

Filesize
40KB

Download
memory/3348-48-0x0000000006810000-0x000000000682E000-memory.dmp

Filesize
120KB

Download
memory/3348-77-0x0000000007D30000-0x0000000007D41000-memory.dmp

Filesize
68KB

Download
memory/3348-22-0x00000000061E0000-0x0000000006246000-memory.dmp

Filesize
408KB

Download
memory/3348-23-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-38-0x0000000006250000-0x00000000065A4000-memory.dmp

Filesize
3.3MB

Download
memory/3348-81-0x0000000007E50000-0x0000000007E58000-memory.dmp

Filesize
32KB

Download
memory/3348-21-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/3348-20-0x0000000005850000-0x0000000005872000-memory.dmp

Filesize
136KB

Download
memory/3348-18-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-88-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download