formbook | c608afab6ed74b6138b2aa5a3e536c4ce028ae0680cca9f76cdbe78ae46ec027

General

Target

sifariş n° 5600885643.exe
Size

520KB
MD5

f8af21f5e6bf374da4096d72e177e639
SHA1

6c103339eaf0b787352326a6a801d5ae9d6d0000
SHA256

4ef2bca501b3ffbee1ba497670fac37c1a2a27247aa48a955228eb0fa2810120
SHA512

e90e298204845519f9c272f857669be6f98948a92b28ba6f063b592bb2898cb18dcc228c243d3601f38c07df9b09f49d80b0700eadfdf909f01f3f2e33835fb8
SSDEEP

6144:rHd/9YLC4IDSVtYIttqwFIWkjrLPMAFxJca5MClL6Y6N5pOvRu9+x+zTzV7:h/2qyYIttsBx/2S6YrvRY+Ip

Score

10^/10

formbook zs84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

zs84

Decoy

kubet66x.online

webtergabuak.com

searlont.top

mariammacghey.xyz

iotcs.dev

soulserenity.online

coop-santarita.com

xn--emagreacomprazer-hpb.site

suistake.xyz

oanavasiu.com

cornerstonepartners.us

rexgrocery.store

4walls.store

kinako105.com

ednateixeirabrand.com

6735468723.online

erin-watson.com

merop.online

evidentexchange.com

1wxba.top

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

resource	yara_rule
behavioral1/memory/1040-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1040-8-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2660-14-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 1040	1720	sifariş n° 5600885643.exe	30
PID 1040 set thread context of 1208	1040	CasPol.exe	21
PID 2660 set thread context of 1208	2660	ipconfig.exe	21

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	ipconfig.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

pid	Process
2660	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1040	CasPol.exe
1040	CasPol.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe
2660	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1040	CasPol.exe
1040	CasPol.exe
1040	CasPol.exe
2660	ipconfig.exe
2660	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	CasPol.exe
Token: SeDebugPrivilege	2660	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1720 wrote to memory of 1040	1720	sifariş n° 5600885643.exe	30
PID 1208 wrote to memory of 2660	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2660	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2660	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2660	1208	Explorer.EXE	31
PID 2660 wrote to memory of 2840	2660	ipconfig.exe	32
PID 2660 wrote to memory of 2840	2660	ipconfig.exe	32
PID 2660 wrote to memory of 2840	2660	ipconfig.exe	32
PID 2660 wrote to memory of 2840	2660	ipconfig.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\sifariş n° 5600885643.exe
  "C:\Users\Admin\AppData\Local\Temp\sifariş n° 5600885643.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1040
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.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:2660
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2840

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

Replay Monitor

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Downloads

memory/1040-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1040-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1040-9-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1040-6-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/1208-10-0x0000000003110000-0x0000000003210000-memory.dmp

Filesize
1024KB

Download
memory/1208-11-0x00000000052B0000-0x00000000053BD000-memory.dmp

Filesize
1.1MB

Download
memory/1208-15-0x00000000052B0000-0x00000000053BD000-memory.dmp

Filesize
1.1MB

Download
memory/1720-5-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

Filesize
9.9MB

Download
memory/1720-3-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

Filesize
9.9MB

Download
memory/1720-2-0x0000000000A50000-0x0000000000AB8000-memory.dmp

Filesize
416KB

Download
memory/1720-1-0x0000000000D20000-0x0000000000DA6000-memory.dmp

Filesize
536KB

Download
memory/1720-0-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

Filesize
4KB

Download
memory/2660-12-0x0000000000DF0000-0x0000000000DFA000-memory.dmp

Filesize
40KB

Download
memory/2660-13-0x0000000000DF0000-0x0000000000DFA000-memory.dmp

Filesize
40KB

Download
memory/2660-14-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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