formbook | dddfb9fd01740055a5dbf0ac2be671b0cc7ea825fc4d6fb40dca5abac45a0e28

Analysis

max time kernel
300s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 00:09

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General

Target

decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe
Size

845KB
MD5

7971ff7b23d758f07c695b8098759dc5
SHA1

c666b84f9b789cc6f56438b4d957795ab72db07b
SHA256

abd47ee3632ba7314a51a4f87cc129b9aa28fb684426f26c865fca09ad0ce46b
SHA512

ccb6bf09366b551a20700b58e355f72deb0dd4d42810cc66573483de8c925f9cd1bfbfccd3f1d90159787ea0be32cd348ac84d5b4e4fd70f1a509f9af30c1b36
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCSFYeV0LPG8vkWO:uRmJkcoQricOIQxiZY1iaCTIvD

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

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/2220-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2220-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2540-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2220	2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe	30
PID 2220 set thread context of 1212	2220	svchost.exe	21
PID 2540 set thread context of 1212	2540	control.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 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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2220	svchost.exe
2220	svchost.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe
2540	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe
2220	svchost.exe
2220	svchost.exe
2220	svchost.exe
2540	control.exe
2540	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	svchost.exe
Token: SeDebugPrivilege	2540	control.exe
Token: SeShutdownPrivilege	1212	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2220	2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe	30
PID 2420 wrote to memory of 2220	2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe	30
PID 2420 wrote to memory of 2220	2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe	30
PID 2420 wrote to memory of 2220	2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe	30
PID 2420 wrote to memory of 2220	2420	decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe	30
PID 1212 wrote to memory of 2540	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2540	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2540	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2540	1212	Explorer.EXE	31
PID 2540 wrote to memory of 3068	2540	control.exe	32
PID 2540 wrote to memory of 3068	2540	control.exe	32
PID 2540 wrote to memory of 3068	2540	control.exe	32
PID 2540 wrote to memory of 3068	2540	control.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\decontare facturi pentru plata 12 noiembrie 2024.xlsx.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2220
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2540
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/1212-17-0x0000000004E20000-0x0000000004F1B000-memory.dmp

Filesize
1004KB

Download
memory/1212-22-0x0000000004E20000-0x0000000004F1B000-memory.dmp

Filesize
1004KB

Download
memory/2220-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2220-13-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2220-16-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2220-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2420-11-0x00000000002C0000-0x00000000003C0000-memory.dmp

Filesize
1024KB

Download
memory/2540-18-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2540-20-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2540-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download