formbook | 488b644255f4294a44d23f772b4ce5d9cf79d4ec26247a00721b22e19389e11c

General

Target

OVERDUE INVOICE.exe
Size

1.0MB
MD5

6ed07d07cf776b88070683adbe3b6668
SHA1

6cb4702a3d0eb3f9887b62838772f6f432451caa
SHA256

97b4ba35c6feaccb928d2a4921d3f852ca36e70c851fc5edb7ae651efb2a1d61
SHA512

27dd5bdf36658c359317812a0ba16ead05991eadf02067831d3278eafa61f197407f1d12bb149dd9c4605afbd8470918d8e53b5595e2e5fdeeaa4c538b5e4c1d
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLJkbOe1vYUdm1JFXC6qzkdzCs3kcZaf:ffmMv6Ckr7Mny5QLaJvYDXpXCivzXm

Score

10^/10

formbook ge07 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ge07

Decoy

mail-marketing2-9946168.live

ouwmijnweb.net

verythingmars.online

rgqhcy.shop

unter-saaaa.buzz

ox.bio

arkside.top

ransportationmmsktpro.top

lue-ocean-bar.group

lympiccat.xyz

onstruction-jobs-49170.bond

andon-saaab.buzz

fdmw.sbs

48430091.top

yuyh.boats

kyt968.shop

pismedical.shop

ocialmediafactory.xyz

inussofa.shop

ision.fit

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/536-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/536-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 536	1568	OVERDUE INVOICE.exe	29
PID 536 set thread context of 1244	536	svchost.exe	20

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
1092	2108	WerFault.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OVERDUE INVOICE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
536	svchost.exe
536	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
1568	OVERDUE INVOICE.exe
536	svchost.exe
536	svchost.exe
536	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	svchost.exe
Token: SeShutdownPrivilege	1244	Explorer.EXE
Token: SeShutdownPrivilege	1244	Explorer.EXE
Token: SeShutdownPrivilege	1244	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 536	1568	OVERDUE INVOICE.exe	29
PID 1568 wrote to memory of 536	1568	OVERDUE INVOICE.exe	29
PID 1568 wrote to memory of 536	1568	OVERDUE INVOICE.exe	29
PID 1568 wrote to memory of 536	1568	OVERDUE INVOICE.exe	29
PID 1568 wrote to memory of 536	1568	OVERDUE INVOICE.exe	29
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2108	1244	Explorer.EXE	30
PID 2108 wrote to memory of 1092	2108	msiexec.exe	31
PID 2108 wrote to memory of 1092	2108	msiexec.exe	31
PID 2108 wrote to memory of 1092	2108	msiexec.exe	31
PID 2108 wrote to memory of 1092	2108	msiexec.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\OVERDUE INVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\OVERDUE INVOICE.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\OVERDUE INVOICE.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:536
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2108 -s 272
    3⤵
    - Program crash
    PID:1092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

memory/536-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/536-4-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/536-7-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/536-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1244-8-0x0000000003CC0000-0x0000000003EC0000-memory.dmp

Filesize
2.0MB

Download
memory/1244-9-0x0000000004EF0000-0x0000000004FFD000-memory.dmp

Filesize
1.1MB

Download
memory/1244-16-0x0000000004EF0000-0x0000000004FFD000-memory.dmp

Filesize
1.1MB

Download
memory/1568-2-0x0000000003A30000-0x0000000003E30000-memory.dmp

Filesize
4.0MB

Download
memory/2108-11-0x0000000000C50000-0x0000000000C64000-memory.dmp

Filesize
80KB

Download
memory/2108-10-0x0000000000C50000-0x0000000000C64000-memory.dmp

Filesize
80KB

Download
memory/2108-13-0x0000000000C50000-0x0000000000C64000-memory.dmp

Filesize
80KB

Download

Analysis

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