formbook | 51e821e5dd5bfdbfe93ef02b2d5994ef0502a7f649369220b8734820d9478416

General

Target

t5ueYgHiHnIdeNe.exe
Size

684KB
MD5

a2d4be5c186159147645f2ff6ee1f690
SHA1

1799cfb6c5ca5224d72d7f1696ad36c2624fd057
SHA256

9f67248a754e414ffb2361932c591abe39581b21a20d51ccb46db5e534a9531c
SHA512

29b5307b7d05827b6c6bb8489357d6abbd8e293dd56a6f6a65d2af59111fbb9e0aa2a786ce0690b5eea6c025e3e78523c5cc7a193cf23dfb4f95863a94aa44b0
SSDEEP

12288:mdODvVloha83lbhzRbIniLawF+poiDsv6z6ViEqtwsdf9i72l4:XyhaUlVzRlqpEv6z6ViZm0fkE4

Score

10^/10

formbook he2a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

he2a

Decoy

070001606.xyz

jesuseascriancas.online

as-eltransport.xyz

bankditalia-company.online

linkedin-stijngraat.online

sportsbetd.xyz

spanish-classes-76893.bond

infonation.pro

nxwzbze.forum

rush-pay.biz

fulfillmissions.lat

infolungcancer.xyz

aqario.xyz

omepro.solar

jackmanmueshl.shop

amcart.store

ishanaudichya.xyz

sun4rk.shop

depression-test-74287.bond

chipit.shop

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/2788-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2788-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2952-24-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2976	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 2788 set thread context of 1196	2788	t5ueYgHiHnIdeNe.exe	20
PID 2952 set thread context of 1196	2952	cmstp.exe	20

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	t5ueYgHiHnIdeNe.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 29 IoCs

pid	Process
2788	t5ueYgHiHnIdeNe.exe
2788	t5ueYgHiHnIdeNe.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe
2952	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2788	t5ueYgHiHnIdeNe.exe
2788	t5ueYgHiHnIdeNe.exe
2788	t5ueYgHiHnIdeNe.exe
2952	cmstp.exe
2952	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	t5ueYgHiHnIdeNe.exe
Token: SeDebugPrivilege	2952	cmstp.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1308 wrote to memory of 2788	1308	t5ueYgHiHnIdeNe.exe	29
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 1196 wrote to memory of 2952	1196	Explorer.EXE	30
PID 2952 wrote to memory of 2976	2952	cmstp.exe	31
PID 2952 wrote to memory of 2976	2952	cmstp.exe	31
PID 2952 wrote to memory of 2976	2952	cmstp.exe	31
PID 2952 wrote to memory of 2976	2952	cmstp.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\t5ueYgHiHnIdeNe.exe
  "C:\Users\Admin\AppData\Local\Temp\t5ueYgHiHnIdeNe.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Users\Admin\AppData\Local\Temp\t5ueYgHiHnIdeNe.exe
    "C:\Users\Admin\AppData\Local\Temp\t5ueYgHiHnIdeNe.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2788
- 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:2952
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\t5ueYgHiHnIdeNe.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2976

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/1196-25-0x0000000007E70000-0x0000000007FE1000-memory.dmp

Filesize
1.4MB

Download
memory/1196-20-0x0000000007E70000-0x0000000007FE1000-memory.dmp

Filesize
1.4MB

Download
memory/1196-19-0x0000000003E10000-0x0000000003F10000-memory.dmp

Filesize
1024KB

Download
memory/1308-14-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-1-0x0000000000310000-0x00000000003C0000-memory.dmp

Filesize
704KB

Download
memory/1308-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-3-0x0000000000540000-0x0000000000550000-memory.dmp

Filesize
64KB

Download
memory/1308-4-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1308-5-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-6-0x00000000047B0000-0x0000000004826000-memory.dmp

Filesize
472KB

Download
memory/1308-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/2788-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-15-0x0000000000AB0000-0x0000000000DB3000-memory.dmp

Filesize
3.0MB

Download
memory/2788-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2788-18-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2788-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2788-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2788-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2952-21-0x0000000000DC0000-0x0000000000DD8000-memory.dmp

Filesize
96KB

Download
memory/2952-23-0x0000000000DC0000-0x0000000000DD8000-memory.dmp

Filesize
96KB

Download
memory/2952-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing