formbook | 09c9a87a24ffd436df9cbe40a9caeaa04e947c029e6a8a9780d7a16e90ce073d

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:30

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General

Target

ORDEN DE COMPRA URGENTE pdf hjk.exe
Size

577KB
MD5

a66ac03d7eba955eb333287291e4a24f
SHA1

0eb687b7d0fd4d282caebbeae42bf744df7907ae
SHA256

6bf2f4d58a837d790e914f36b0056e955c35ea5571d5a758b0e0f052e8b4294f
SHA512

c076903a48d9965d7fc97cbc8606f4fd50c9eb7477794991efc519393d720f4d54765d22b0e366e0efbcbbe68b3fe915e8f43847f263683b64af902dc4bba525
SSDEEP

12288:oXwQXxqmIL0WCuZvtjIsIlxQPtVEZ9nYc5Gy7RjallylSx1o:obBq0TuZvysIlejU99oy7Rjm

Score

10^/10

formbook de08 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

de08

Decoy

retirecloudyyard.com

fabiyan.xyz

chrisarlyde.com

selapex.com

vivalosgales.com

specialty-medicine.com

contasesolucoes.com

satunusanews.net

allyibc.com

alameda1876.com

artofdala.com

yukoidusp.xyz

steeldrumbandnearme.com

stonewedgetechnology.com

kentonai.com

macquarie-private.com

ddgwy.com

megagreenhousekits.com

descomplicaomarketing.com

inclusiverealtor.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/880-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/880-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2632-26-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 880 set thread context of 1192	880	RegSvcs.exe	21
PID 2632 set thread context of 1192	2632	rundll32.exe	21

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ORDEN DE COMPRA URGENTE pdf hjk.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
2816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
3064	ORDEN DE COMPRA URGENTE pdf hjk.exe
3064	ORDEN DE COMPRA URGENTE pdf hjk.exe
880	RegSvcs.exe
880	RegSvcs.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe
2632	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
880	RegSvcs.exe
880	RegSvcs.exe
880	RegSvcs.exe
2632	rundll32.exe
2632	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe
Token: SeDebugPrivilege	880	RegSvcs.exe
Token: SeDebugPrivilege	2632	rundll32.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2816	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	31
PID 3064 wrote to memory of 2816	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	31
PID 3064 wrote to memory of 2816	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	31
PID 3064 wrote to memory of 2816	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	31
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 2736	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	33
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 3064 wrote to memory of 880	3064	ORDEN DE COMPRA URGENTE pdf hjk.exe	34
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	35
PID 2632 wrote to memory of 2616	2632	rundll32.exe	36
PID 2632 wrote to memory of 2616	2632	rundll32.exe	36
PID 2632 wrote to memory of 2616	2632	rundll32.exe	36
PID 2632 wrote to memory of 2616	2632	rundll32.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA URGENTE pdf hjk.exe
  "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA URGENTE pdf hjk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IdOZUFpTFHmr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1584.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2816
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    PID:2736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:880
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2632
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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\tmp1584.tmp

Filesize
1KB

MD5
29df6efb917e5f94eb4e870aa4abe259

SHA1
fb6ebc47e0be3865ad6b48b53dcff787d15c231f

SHA256
c5a40b24218ffee704ac181f2250bf6af7d99db0407cf584f86949beaab9e4f4

SHA512
96caf15de89d6b65d3ebdf1856339d2c275791410e892819ff229acf8fcb5dfc31f505356a2422ba0ad191465bf4bcf1a1e260cf77506c23832b94202832a0bf

Download Submit
memory/880-20-0x00000000002C0000-0x00000000002D4000-memory.dmp

Filesize
80KB

Download
memory/880-17-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/880-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/880-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/880-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/880-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/880-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1192-21-0x0000000006410000-0x0000000006541000-memory.dmp

Filesize
1.2MB

Download
memory/1192-27-0x0000000006410000-0x0000000006541000-memory.dmp

Filesize
1.2MB

Download
memory/2632-26-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2632-25-0x0000000000A60000-0x0000000000A6E000-memory.dmp

Filesize
56KB

Download
memory/2632-22-0x0000000000A60000-0x0000000000A6E000-memory.dmp

Filesize
56KB

Download
memory/2632-23-0x0000000000A60000-0x0000000000A6E000-memory.dmp

Filesize
56KB

Download
memory/3064-7-0x00000000004A0000-0x00000000004D4000-memory.dmp

Filesize
208KB

Download
memory/3064-0-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/3064-3-0x0000000000380000-0x00000000003A0000-memory.dmp

Filesize
128KB

Download
memory/3064-16-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-1-0x0000000000DD0000-0x0000000000E66000-memory.dmp

Filesize
600KB

Download
memory/3064-2-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-6-0x00000000053E0000-0x0000000005468000-memory.dmp

Filesize
544KB

Download
memory/3064-5-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-4-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download