formbook | 1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5

General

Target

1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
Size

1.1MB
MD5

22ed48383ceac6b19b449ef825061559
SHA1

e85c201ff8fdf27407e10479a10e7050b6ffd47b
SHA256

1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5
SHA512

c6c7ae5ffff742ef7a6243065e16fcdd1626cef3e7a7878ac1974d01039b5a11b93b78f7a87245ee61d99d3c44da36c8897caab98defdd96e90dafb12f51a820
SSDEEP

24576:sAHnh+eWsN3skA4RV1Hom2KXMmHaqeOHBB1Cu0n2F5:Lh+ZkldoPK8YaqeOHL1f0n4

Score

10^/10

formbook ot96 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ot96

Decoy

yclingbear.studio

sxuio.xyz

eon-official-bk-o57v.buzz

teel.management

rusjitu.sbs

ighwald-holdings.info

ummitfinancal.vip

layvalleyconstruction.online

pp-games-efficsecuspon.xyz

ouh.shop

mgltd.services

gshsjwhgsg.fun

eidotijolo.online

yifg.sbs

nline-gaming-ox-mx.xyz

ux-money.info

inergiputraborneo.dev

panish-classes-67016.bond

reightrading.info

23bet.xyz

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/2396-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2396-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2380-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 2396	2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe	30
PID 2396 set thread context of 1192	2396	svchost.exe	21
PID 2380 set thread context of 1192	2380	NAPSTAT.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	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2396	svchost.exe
2396	svchost.exe
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
2396	svchost.exe
2396	svchost.exe
2396	svchost.exe
2380	NAPSTAT.EXE
2380	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	svchost.exe
Token: SeDebugPrivilege	2380	NAPSTAT.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2396	2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe	30
PID 2304 wrote to memory of 2396	2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe	30
PID 2304 wrote to memory of 2396	2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe	30
PID 2304 wrote to memory of 2396	2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe	30
PID 2304 wrote to memory of 2396	2304	1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe	30
PID 1192 wrote to memory of 2380	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2380	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2380	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2380	1192	Explorer.EXE	31
PID 2380 wrote to memory of 2328	2380	NAPSTAT.EXE	32
PID 2380 wrote to memory of 2328	2380	NAPSTAT.EXE	32
PID 2380 wrote to memory of 2328	2380	NAPSTAT.EXE	32
PID 2380 wrote to memory of 2328	2380	NAPSTAT.EXE	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe
  "C:\Users\Admin\AppData\Local\Temp\1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.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:2304
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2396
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:2380
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2328

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

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Downloads

memory/1192-31-0x0000000003D30000-0x0000000003DF0000-memory.dmp

Filesize
768KB

Download
memory/1192-29-0x0000000003D30000-0x0000000003DF0000-memory.dmp

Filesize
768KB

Download
memory/1192-28-0x0000000003D30000-0x0000000003DF0000-memory.dmp

Filesize
768KB

Download
memory/1192-22-0x00000000061B0000-0x00000000062B8000-memory.dmp

Filesize
1.0MB

Download
memory/1192-16-0x0000000003A20000-0x0000000003B20000-memory.dmp

Filesize
1024KB

Download
memory/1192-17-0x00000000061B0000-0x00000000062B8000-memory.dmp

Filesize
1.0MB

Download
memory/2304-10-0x00000000000B0000-0x00000000000B4000-memory.dmp

Filesize
16KB

Download
memory/2380-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2380-20-0x0000000000D00000-0x0000000000D46000-memory.dmp

Filesize
280KB

Download
memory/2380-18-0x0000000000D00000-0x0000000000D46000-memory.dmp

Filesize
280KB

Download
memory/2396-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2396-15-0x00000000003B0000-0x00000000003C5000-memory.dmp

Filesize
84KB

Download
memory/2396-12-0x0000000000710000-0x0000000000A13000-memory.dmp

Filesize
3.0MB

Download
memory/2396-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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