formbook | ee0cc8f2739f86d2cd0e6c828669d5a235d658ca2ed1ec30cdfa3d5679a63c25

General

Target

PO-2021-FV6ppD.exe
Size

1020KB
MD5

b76684163bc9667e4907b4034a0763c1
SHA1

4bda936ca3dee495b15aee5378a3dc87abd7cdef
SHA256

957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129
SHA512

10182cd2737aa6f7a1e8716659b89a96ee3bea78c0144cd19d491ac444639ddb13f6dc543ac7a5744b075cc3c02ffab4b0b088712c376fc3700c27aeedab435f
SSDEEP

12288:dhm2ptsj6jRPLjRPqjBjjyjBjBjBjBjLj6Pf71xLtDaGgr2KbA16sCCwpTx9EEWm:oPHLtbx16Smx9Ey75

Score

10^/10

formbook llc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

llc

Decoy

mombosslounge.com

ladybnaturalhairproductsllc.com

fincazalduendo.com

asrahealth.net

lanbrandmanual.com

hirano-gyosei.com

storywoth.com

sailde.com

jagurutech.com

greenfuturemarket.com

jaguar-marketing.com

mytherapies.net

occidentaldissent.net

onlinemarketingbusinessbd.com

blackleadership.info

leosquad.store

becauseiknewyouweremine.com

athertonsewer.com

springbiologicaldentistry.net

rockthefunnels.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1740-16-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1740-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 1740	2172	PO-2021-FV6ppD.exe	31
PID 1740 set thread context of 1192	1740	PO-2021-FV6ppD.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
740	2988	WerFault.exe	32

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	PO-2021-FV6ppD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1740	PO-2021-FV6ppD.exe
1740	PO-2021-FV6ppD.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1740	PO-2021-FV6ppD.exe
1740	PO-2021-FV6ppD.exe
1740	PO-2021-FV6ppD.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	PO-2021-FV6ppD.exe
Token: SeShutdownPrivilege	1192	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 2172 wrote to memory of 1740	2172	PO-2021-FV6ppD.exe	31
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2988	1192	Explorer.EXE	32
PID 2988 wrote to memory of 740	2988	msiexec.exe	33
PID 2988 wrote to memory of 740	2988	msiexec.exe	33
PID 2988 wrote to memory of 740	2988	msiexec.exe	33
PID 2988 wrote to memory of 740	2988	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\PO-2021-FV6ppD.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-2021-FV6ppD.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Users\Admin\AppData\Local\Temp\PO-2021-FV6ppD.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-2021-FV6ppD.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1740
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 268
    3⤵
    - Program crash
    PID:740

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
- System Location Discovery: System Language Discovery
PID:2668

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

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Downloads

memory/1192-22-0x0000000003B00000-0x0000000003C00000-memory.dmp

Filesize
1024KB

Download
memory/1192-28-0x0000000005080000-0x00000000051C6000-memory.dmp

Filesize
1.3MB

Download
memory/1192-23-0x0000000005080000-0x00000000051C6000-memory.dmp

Filesize
1.3MB

Download
memory/1740-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-18-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download
memory/1740-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-21-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1740-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2172-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/2172-17-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-7-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/2172-9-0x0000000005420000-0x000000000547C000-memory.dmp

Filesize
368KB

Download
memory/2172-8-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-6-0x0000000002100000-0x000000000210A000-memory.dmp

Filesize
40KB

Download
memory/2172-2-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-1-0x0000000000AB0000-0x0000000000BB6000-memory.dmp

Filesize
1.0MB

Download
memory/2988-24-0x0000000000E60000-0x0000000000E74000-memory.dmp

Filesize
80KB

Download
memory/2988-25-0x0000000000E60000-0x0000000000E74000-memory.dmp

Filesize
80KB

Download
memory/2988-27-0x0000000000E60000-0x0000000000E74000-memory.dmp

Filesize
80KB

Download

Analysis

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