formbook | fee8e65741a4299887066d76517461bf40fa2941f2c5dac6cc3cb49b913a53ac

General

Target

e-Invoice.exe
Size

764KB
MD5

c29c35fdd0cb6fb2a67ebe5e66d031bf
SHA1

8069a08c89042bf1bff896e9d8a68f05db5af316
SHA256

7d99c8ec073617681fc7dca3714bce08da1e6a9920aa39b57af734238d5d685f
SHA512

f6dd09aae40a4aa6291d0d384f5b5d4fe94770df93585b235fed994f2dbbeb214550b0a3c55bb479f4c5b316520748d2ccec01b1b85e965fb0c51948d7a229b1
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLXkK+rLst81zQw+h5GATMnNTXXe53V:tthEVaPqL059QhtTMNTXel

Score

10^/10

formbook c89p discovery rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c89p

Decoy

ftersaleb.top

dcustomdesgins.net

ostbet2024.live

rhgtrdjdjytkyhretrdjfytd.buzz

atauniversity.tech

idoctor365.net

x-design-courses-29670.bond

ellowold-pc.top

ransportationmmsytpro.top

areerfest.xyz

artiresbah-in.today

ijie.pro

torehousestudio.info

69-11-luxury-watches.shop

earing-tests-44243.bond

hits.shop

hzl9.bond

lood-test-jp-1.bond

livialiving.online

usymomsmakingmoney.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1624-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1624-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2092-15-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2076-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2076-6-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 1624	2076	e-Invoice.exe	30
PID 1624 set thread context of 1224	1624	svchost.exe	21
PID 2092 set thread context of 1224	2092	help.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	e-Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1624	svchost.exe
1624	svchost.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe
2092	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2076	e-Invoice.exe
1624	svchost.exe
1624	svchost.exe
1624	svchost.exe
2092	help.exe
2092	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	svchost.exe
Token: SeDebugPrivilege	2092	help.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2076	e-Invoice.exe
2076	e-Invoice.exe
2076	e-Invoice.exe
2076	e-Invoice.exe
2076	e-Invoice.exe
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2076	e-Invoice.exe
2076	e-Invoice.exe
2076	e-Invoice.exe
2076	e-Invoice.exe
2076	e-Invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1624	2076	e-Invoice.exe	30
PID 2076 wrote to memory of 1624	2076	e-Invoice.exe	30
PID 2076 wrote to memory of 1624	2076	e-Invoice.exe	30
PID 2076 wrote to memory of 1624	2076	e-Invoice.exe	30
PID 2076 wrote to memory of 1624	2076	e-Invoice.exe	30
PID 1224 wrote to memory of 2092	1224	Explorer.EXE	31
PID 1224 wrote to memory of 2092	1224	Explorer.EXE	31
PID 1224 wrote to memory of 2092	1224	Explorer.EXE	31
PID 1224 wrote to memory of 2092	1224	Explorer.EXE	31
PID 2092 wrote to memory of 1804	2092	help.exe	32
PID 2092 wrote to memory of 1804	2092	help.exe	32
PID 2092 wrote to memory of 1804	2092	help.exe	32
PID 2092 wrote to memory of 1804	2092	help.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\e-Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\e-Invoice.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:2076
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e-Invoice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1624
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2092
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1804

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/1224-16-0x0000000005160000-0x00000000052BC000-memory.dmp

Filesize
1.4MB

Download
memory/1224-25-0x0000000006650000-0x00000000067DB000-memory.dmp

Filesize
1.5MB

Download
memory/1224-23-0x0000000006650000-0x00000000067DB000-memory.dmp

Filesize
1.5MB

Download
memory/1224-11-0x0000000005160000-0x00000000052BC000-memory.dmp

Filesize
1.4MB

Download
memory/1224-22-0x0000000006650000-0x00000000067DB000-memory.dmp

Filesize
1.5MB

Download
memory/1624-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1624-7-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1624-10-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/1624-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2076-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2076-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2076-3-0x0000000003E10000-0x0000000004210000-memory.dmp

Filesize
4.0MB

Download
memory/2092-15-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2092-12-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/2092-14-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download

Analysis

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