formbook | 25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a

General

Target

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
Size

1.4MB
MD5

182ae06482eea4f140aea255ce70eca5
SHA1

a8a9b871a8a57e4da1688b69f92299e57d3c4465
SHA256

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a
SHA512

3ab9ff0211a8b037af03cd467fe458ed9f2b6dd5987f0e60240a5c0be91b4b1373bcb823693054b7b9a07831233828b709c1b66c4d6c071241ed839eff4b9e6f
SSDEEP

24576:aqDEvCTbMWu7rQYlBQcBiT6rprG8aGqBJGzJ7V3keTp2:aTvC/MTQYxsWR7aG0kzJ9t

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2724-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2724-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2848-12-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exesvchost.exeNETSTAT.EXE

description	pid	process	target process
PID 2192 set thread context of 2724	2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 2724 set thread context of 1192	2724	svchost.exe	Explorer.EXE
PID 2848 set thread context of 1192	2848	NETSTAT.EXE	Explorer.EXE

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

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exeNETSTAT.EXEcmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

NETSTAT.EXE

pid process

2848 NETSTAT.EXE

pid	process
2848	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

svchost.exeNETSTAT.EXE

pid	process
2724	svchost.exe
2724	svchost.exe
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE
2848	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exesvchost.exeNETSTAT.EXE

pid	process
2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
2724	svchost.exe
2724	svchost.exe
2724	svchost.exe
2848	NETSTAT.EXE
2848	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 2724 svchost.exe
Token: SeDebugPrivilege 2848 NETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	2724	svchost.exe
Token: SeDebugPrivilege	2848	NETSTAT.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 2192 wrote to memory of 2724	2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 2192 wrote to memory of 2724	2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 2192 wrote to memory of 2724	2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 2192 wrote to memory of 2724	2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 2192 wrote to memory of 2724	2192	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 1192 wrote to memory of 2848	1192	Explorer.EXE	NETSTAT.EXE
PID 1192 wrote to memory of 2848	1192	Explorer.EXE	NETSTAT.EXE
PID 1192 wrote to memory of 2848	1192	Explorer.EXE	NETSTAT.EXE
PID 1192 wrote to memory of 2848	1192	Explorer.EXE	NETSTAT.EXE
PID 2848 wrote to memory of 1800	2848	NETSTAT.EXE	cmd.exe
PID 2848 wrote to memory of 1800	2848	NETSTAT.EXE	cmd.exe
PID 2848 wrote to memory of 1800	2848	NETSTAT.EXE	cmd.exe
PID 2848 wrote to memory of 1800	2848	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
  "C:\Users\Admin\AppData\Local\Temp\25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2724
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

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Downloads

memory/1192-8-0x0000000005080000-0x0000000005197000-memory.dmp

Filesize
1.1MB

Download
memory/1192-13-0x0000000005080000-0x0000000005197000-memory.dmp

Filesize
1.1MB

Download
memory/2192-2-0x0000000000A90000-0x0000000000E90000-memory.dmp

Filesize
4.0MB

Download
memory/2192-11-0x0000000000A90000-0x0000000000E90000-memory.dmp

Filesize
4.0MB

Download
memory/2724-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2724-4-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2724-7-0x0000000000160000-0x0000000000174000-memory.dmp

Filesize
80KB

Download
memory/2724-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2848-10-0x00000000007C0000-0x00000000007C9000-memory.dmp

Filesize
36KB

Download
memory/2848-9-0x00000000007C0000-0x00000000007C9000-memory.dmp

Filesize
36KB

Download
memory/2848-12-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads