formbook | 2ca2f96df9a4bfafbe7765dc59da9cb03f9efbd3129776e6b3f8408a0f9c30a6

General

Target

Payment invoice 549590.exe
Size

621KB
MD5

b03235aae7678bfe37e8294eb4aa0091
SHA1

abd5536d8906ec3761b2f734e1e0c77a526d241c
SHA256

5ae445a991d56393e514f68e235bf8e92b116fedc8cc6d17ae358b34f6873d09
SHA512

123c4180bc74b6610eca1ab6d5b059be18848561344b2b83d1c506a901edd06ac7fae3de0f962c2a4ef2740fc1da30630120a5af8e226fec98d148901116b8a9
SSDEEP

12288:y04Rg68JhzCwafmOMWxjXshtMlcuKAq7X/F3wN+KPSdq7r1/QckR:B4Rg68Pdjuxj62c/Aq7/F3wwZq7a

Score

10^/10

formbook p25o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

p25o

Decoy

hrist-centered-soulcare.net

pacerpa.shop

hicandcurvy.shop

ocfamilyto.llc

9ds87666.men

sia918ku.shop

nvestment-broker-35141.bond

ltralicencas.shop

g1lmb.cyou

eyo.live

pupt.rest

indsetperfection.net

1duqqrzs65zxz.bond

eren138-pro2.click

leaning-products-35959.bond

oodea.online

hlbadienug.info

innivip.bio

funnygame.top

roperty-in-dubai-f.pro

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
behavioral1/memory/2204-100-0x0000000000400000-0x000000000042F000-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
3020	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2484 set thread context of 2204	2484	Payment invoice 549590.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2928	2204	WerFault.exe	33

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	Payment invoice 549590.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment invoice 549590.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3020	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 3020	2484	Payment invoice 549590.exe	31
PID 2484 wrote to memory of 3020	2484	Payment invoice 549590.exe	31
PID 2484 wrote to memory of 3020	2484	Payment invoice 549590.exe	31
PID 2484 wrote to memory of 3020	2484	Payment invoice 549590.exe	31
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2484 wrote to memory of 2204	2484	Payment invoice 549590.exe	33
PID 2204 wrote to memory of 2928	2204	Payment invoice 549590.exe	34
PID 2204 wrote to memory of 2928	2204	Payment invoice 549590.exe	34
PID 2204 wrote to memory of 2928	2204	Payment invoice 549590.exe	34
PID 2204 wrote to memory of 2928	2204	Payment invoice 549590.exe	34

C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe
"C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- 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\Payment invoice 549590.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3020
- C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 36
    3⤵
    - Program crash
    PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab92DF.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9311.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2204-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2204-97-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2204-95-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2204-100-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2484-1-0x00000000012E0000-0x000000000137E000-memory.dmp

Filesize
632KB

Download
memory/2484-90-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-91-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2484-92-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-93-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Filesize
72KB

Download
memory/2484-94-0x0000000007020000-0x0000000007096000-memory.dmp

Filesize
472KB

Download
memory/2484-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2484-101-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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