formbook | e0dc8e287503056fe2b8482fe28919c524cbf0411db3381431f4d1d1f74cc919

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 11:12

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General

Target

1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe
Size

667KB
MD5

1b92df39d3abd08b2d627d0d545bc391
SHA1

35f0a75b8a0d975b46977cc7124890f294eb3dcb
SHA256

1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698
SHA512

a646518ea5da216237889575b750601bcdef7eea7dce1a1d31973f316ed7671a56a6e25a289a06f6f74dd7a209ca9bc013cb404648f6559ee41d73b7cf82d233
SSDEEP

12288:Tcym2iNvVdHy4vCWIFCNUXsgrf+ncaNdR/yXldNWj65QO1qTw1A:Rm1tnXMF0lyGnN/yJESb

Score

10^/10

formbook ae30 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ae30

Decoy

lili116.ru

apatitum.ru

broadbandterbaik.com

flrfteb.ru

xysklhgf.xyz

thevelvetkit.africa

zwelethugh.africa

imassageandstretchdance.com

laser3dstudio.com

efefplantation.buzz

cyberwisely.com

hulihuli.net

electrosertecnologia.com

golanglearn.club

cee4agency.com

bedicustomgraphicapparel.com

aim2fitness.com

greenarrow-advisors.com

lotadan.com

kgaming.dev

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/432-36-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2664	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	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106

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 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.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
2480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2664	powershell.exe
432	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe
432	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe
2664	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2664	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	102
PID 2904 wrote to memory of 2664	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	102
PID 2904 wrote to memory of 2664	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	102
PID 2904 wrote to memory of 2480	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	104
PID 2904 wrote to memory of 2480	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	104
PID 2904 wrote to memory of 2480	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	104
PID 2904 wrote to memory of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106
PID 2904 wrote to memory of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106
PID 2904 wrote to memory of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106
PID 2904 wrote to memory of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106
PID 2904 wrote to memory of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106
PID 2904 wrote to memory of 432	2904	1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe	106

C:\Users\Admin\AppData\Local\Temp\1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe
"C:\Users\Admin\AppData\Local\Temp\1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\irPPkSvUfFn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2664
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\irPPkSvUfFn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp487E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2480
- C:\Users\Admin\AppData\Local\Temp\1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe
  "C:\Users\Admin\AppData\Local\Temp\1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:432

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_orrxjg3v.o5x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp487E.tmp

Filesize
1KB

MD5
7208739b06012c8da5fcf795c8a8db24

SHA1
5f94e5f86fdd760f12d3a79b5632879d3d7e58ee

SHA256
c2a55fd55a6a927473a13f06cb9e7167aa3a3a7be4a97e71a5b89e320002d0e7

SHA512
a6efbccdf63dfb8caabc83a01a9ac44f92b59dd5640d5b867ee6d321ef51aaa1c195aa129b8b5a83d8f3755b047821fac66cef179d8729503a487c77fbbee3f1

Download Submit
memory/432-39-0x0000000000FC0000-0x000000000130A000-memory.dmp

Filesize
3.3MB

Download
memory/432-36-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-44-0x0000000070110000-0x000000007015C000-memory.dmp

Filesize
304KB

Download
memory/2664-57-0x0000000007C70000-0x00000000082EA000-memory.dmp

Filesize
6.5MB

Download
memory/2664-68-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2664-65-0x0000000007940000-0x0000000007948000-memory.dmp

Filesize
32KB

Download
memory/2664-64-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/2664-63-0x0000000007860000-0x0000000007874000-memory.dmp

Filesize
80KB

Download
memory/2664-62-0x0000000007850000-0x000000000785E000-memory.dmp

Filesize
56KB

Download
memory/2664-61-0x0000000007820000-0x0000000007831000-memory.dmp

Filesize
68KB

Download
memory/2664-60-0x00000000078A0000-0x0000000007936000-memory.dmp

Filesize
600KB

Download
memory/2664-17-0x0000000002A00000-0x0000000002A36000-memory.dmp

Filesize
216KB

Download
memory/2664-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2664-19-0x0000000005450000-0x0000000005A78000-memory.dmp

Filesize
6.2MB

Download
memory/2664-59-0x0000000007690000-0x000000000769A000-memory.dmp

Filesize
40KB

Download
memory/2664-58-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/2664-23-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/2664-22-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/2664-21-0x0000000005320000-0x0000000005342000-memory.dmp

Filesize
136KB

Download
memory/2664-29-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2664-34-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2664-56-0x00000000074E0000-0x0000000007583000-memory.dmp

Filesize
652KB

Download
memory/2664-54-0x00000000029F0000-0x0000000002A00000-memory.dmp

Filesize
64KB

Download
memory/2664-55-0x00000000068A0000-0x00000000068BE000-memory.dmp

Filesize
120KB

Download
memory/2664-43-0x00000000068C0000-0x00000000068F2000-memory.dmp

Filesize
200KB

Download
memory/2664-40-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/2664-41-0x0000000006540000-0x000000000658C000-memory.dmp

Filesize
304KB

Download
memory/2664-42-0x000000007F970000-0x000000007F980000-memory.dmp

Filesize
64KB

Download
memory/2904-15-0x000000000A290000-0x000000000A5E4000-memory.dmp

Filesize
3.3MB

Download
memory/2904-10-0x0000000007A70000-0x0000000007AE0000-memory.dmp

Filesize
448KB

Download
memory/2904-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2904-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2904-35-0x000000000A600000-0x000000000A638000-memory.dmp

Filesize
224KB

Download
memory/2904-2-0x0000000005370000-0x0000000005914000-memory.dmp

Filesize
5.6MB

Download
memory/2904-38-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2904-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/2904-1-0x00000000002A0000-0x000000000034E000-memory.dmp

Filesize
696KB

Download
memory/2904-11-0x0000000007B90000-0x0000000007C2C000-memory.dmp

Filesize
624KB

Download
memory/2904-4-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/2904-9-0x0000000005340000-0x000000000534C000-memory.dmp

Filesize
48KB

Download
memory/2904-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2904-7-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2904-6-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download