formbook | e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec

General

Target

e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
Size

1.1MB
MD5

ab5a5fadd9a58b412281fa7c040c54ef
SHA1

d67c6a5fb65869cbb381c0a8276dea5e30ecfed1
SHA256

e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec
SHA512

fd4144fccc27cab79fa9001e9847a65cc778f01c1d2311babc8982cd30c6ba4f2e85d8059f68b9111cfe103d29172dd40d4aadc6e29cb3db60a07e2af5d321f9
SSDEEP

24576:PAHnh+eWsN3skA4RV1Hom2KXMmHara7ystgXDMSJA1p5:yh+ZkldoPK8Yara7y4S5Wl

Score

10^/10

formbook e23y discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e23y

Decoy

stiloeconforto.shop

79nn470gl.autos

ffg.autos

elix-saaac.buzz

tlasbet88win.sbs

inoliga.app

777.fun

avada-ga-3.press

avandakitchen.online

61ep864tr.autos

igitalonlineseva.online

ar-deals-15908.bond

sqqpkv.pro

368i8rnoy.xyz

lxspinsenin.lol

9y204r7eo.sbs

toptalkingaboutit.net

eeplab.xyz

filmyhit.vip

athroom-remodeling-59089.bond

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2812-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2812-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2812-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2384-25-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 2812	2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe	30
PID 2812 set thread context of 1208	2812	svchost.exe	21
PID 2812 set thread context of 1208	2812	svchost.exe	21
PID 2384 set thread context of 1208	2384	cmstp.exe	21

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	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe
2384	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2384	cmstp.exe
2384	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	svchost.exe
Token: SeDebugPrivilege	2384	cmstp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2812	2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe	30
PID 2212 wrote to memory of 2812	2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe	30
PID 2212 wrote to memory of 2812	2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe	30
PID 2212 wrote to memory of 2812	2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe	30
PID 2212 wrote to memory of 2812	2212	e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe	30
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2384	1208	Explorer.EXE	31
PID 2384 wrote to memory of 2776	2384	cmstp.exe	32
PID 2384 wrote to memory of 2776	2384	cmstp.exe	32
PID 2384 wrote to memory of 2776	2384	cmstp.exe	32
PID 2384 wrote to memory of 2776	2384	cmstp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe
  "C:\Users\Admin\AppData\Local\Temp\e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.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:2212
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2812
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2384
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2776

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

Loading Replay Monitor...

Downloads

memory/1208-34-0x0000000006FE0000-0x000000000714A000-memory.dmp

Filesize
1.4MB

Download
memory/1208-33-0x0000000006FE0000-0x000000000714A000-memory.dmp

Filesize
1.4MB

Download
memory/1208-31-0x0000000006FE0000-0x000000000714A000-memory.dmp

Filesize
1.4MB

Download
memory/1208-16-0x00000000066F0000-0x000000000680B000-memory.dmp

Filesize
1.1MB

Download
memory/1208-26-0x0000000006C50000-0x0000000006D55000-memory.dmp

Filesize
1.0MB

Download
memory/1208-20-0x00000000066F0000-0x000000000680B000-memory.dmp

Filesize
1.1MB

Download
memory/1208-21-0x0000000006C50000-0x0000000006D55000-memory.dmp

Filesize
1.0MB

Download
memory/2212-10-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2384-24-0x0000000000A50000-0x0000000000A68000-memory.dmp

Filesize
96KB

Download
memory/2384-25-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2384-22-0x0000000000A50000-0x0000000000A68000-memory.dmp

Filesize
96KB

Download
memory/2812-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-19-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/2812-15-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2812-12-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download
memory/2812-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing