formbook | 9a711d77ad0c7a088e281c490a7bc22d0ed0561a257546d4618b9fc9040d741e

General

Target

list nr 001220_51_2024-11-19_134943.docx.exe
Size

1.1MB
MD5

93bfc296f24d789a7201194a62a84b00
SHA1

23871f9da18f3a7cbe4491fb0152f38b2c6cf959
SHA256

dcb0dbfb5714fc8d31fb3ac35f060092959f1450655eac659d6f4ff36c3c790d
SHA512

edb3cdf1e897ed07883548df5009d2a7dc5037871484f20e790701c29b0732016b1bf6834f712dc21b62d9b26834aafb6735bea54c4ed573c5be7151d68937df
SSDEEP

24576:htb20pkaCqT5TBWgNQ7aWcgLfFAJwGYBU6A:yVg5tQ7aWc6AJwvO5

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/3064-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3064-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exesvchost.exe

description	pid	process	target process
PID 596 set thread context of 3064	596	list nr 001220_51_2024-11-19_134943.docx.exe	svchost.exe
PID 3064 set thread context of 1196	3064	svchost.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2312 2496 WerFault.exe msiexec.exe

pid	pid_target	process	target process
2312	2496	WerFault.exe	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

msiexec.exelist nr 001220_51_2024-11-19_134943.docx.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	list nr 001220_51_2024-11-19_134943.docx.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exe

pid process

3064 svchost.exe
3064 svchost.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exesvchost.exe

pid process

596 list nr 001220_51_2024-11-19_134943.docx.exe
3064 svchost.exe
3064 svchost.exe
3064 svchost.exe

pid	process
3064	svchost.exe
3064	svchost.exe

pid	process
596	list nr 001220_51_2024-11-19_134943.docx.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

svchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3064	svchost.exe
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exeExplorer.EXE

pid process

596 list nr 001220_51_2024-11-19_134943.docx.exe
596 list nr 001220_51_2024-11-19_134943.docx.exe
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exe

pid process

596 list nr 001220_51_2024-11-19_134943.docx.exe
596 list nr 001220_51_2024-11-19_134943.docx.exe

pid	process
596	list nr 001220_51_2024-11-19_134943.docx.exe
596	list nr 001220_51_2024-11-19_134943.docx.exe
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
596	list nr 001220_51_2024-11-19_134943.docx.exe
596	list nr 001220_51_2024-11-19_134943.docx.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 596 wrote to memory of 3064	596	list nr 001220_51_2024-11-19_134943.docx.exe	svchost.exe
PID 596 wrote to memory of 3064	596	list nr 001220_51_2024-11-19_134943.docx.exe	svchost.exe
PID 596 wrote to memory of 3064	596	list nr 001220_51_2024-11-19_134943.docx.exe	svchost.exe
PID 596 wrote to memory of 3064	596	list nr 001220_51_2024-11-19_134943.docx.exe	svchost.exe
PID 596 wrote to memory of 3064	596	list nr 001220_51_2024-11-19_134943.docx.exe	svchost.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 1196 wrote to memory of 2496	1196	Explorer.EXE	msiexec.exe
PID 2496 wrote to memory of 2312	2496	msiexec.exe	WerFault.exe
PID 2496 wrote to memory of 2312	2496	msiexec.exe	WerFault.exe
PID 2496 wrote to memory of 2312	2496	msiexec.exe	WerFault.exe
PID 2496 wrote to memory of 2312	2496	msiexec.exe	WerFault.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\list nr 001220_51_2024-11-19_134943.docx.exe
  "C:\Users\Admin\AppData\Local\Temp\list nr 001220_51_2024-11-19_134943.docx.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:596
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\list nr 001220_51_2024-11-19_134943.docx.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3064
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 268
    3⤵
    - Program crash
    PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/596-6-0x00000000009F0000-0x0000000000DF0000-memory.dmp

Filesize
4.0MB

Download
memory/1196-12-0x0000000003D50000-0x0000000003E50000-memory.dmp

Filesize
1024KB

Download
memory/1196-13-0x0000000004F60000-0x0000000005074000-memory.dmp

Filesize
1.1MB

Download
memory/1196-20-0x0000000004F60000-0x0000000005074000-memory.dmp

Filesize
1.1MB

Download
memory/2496-15-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download
memory/2496-14-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download
memory/2496-17-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download
memory/3064-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-8-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/3064-11-0x0000000000130000-0x0000000000144000-memory.dmp

Filesize
80KB

Download
memory/3064-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads