470f69dc7b80ae3158420bd7b54fdda944a02fa15c4236686d5f81b5f72966d8

Analysis

max time kernel
147s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 18:49

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General

Target

formbook.exe
Size

181KB
MD5

ab063fa349f25116b15276ad1e2251d7
SHA1

ddcdf4314f2c187d04a066380d97959e62c34dbd
SHA256

dc769e89feccc886334377b01f29dfe4b36c3266c2df8c88ca704919d0b1b938
SHA512

98abbe10c466b8798093963a479fd8bffcc8027feb2be361a092a98ea32f4960a1dc0e14bbd606752db3950fdb84b17763c81db6911390c88c91fbbacb56687c
SSDEEP

3072:/qpUoiXhkew9hCgu9gbxNkqqh7vIu+fiL2+TLmym/yyA2jh:Dxtw6gOuxaqqh7+aKsCymqHwh

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2056	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 1212	1740	formbook.exe	21
PID 2736 set thread context of 1212	2736	cmd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1740	formbook.exe
1740	formbook.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe
2736	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1740	formbook.exe
1740	formbook.exe
1740	formbook.exe
2736	cmd.exe
2736	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	formbook.exe
Token: SeDebugPrivilege	2736	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 2736	1212	Explorer.EXE	52
PID 1212 wrote to memory of 2736	1212	Explorer.EXE	52
PID 1212 wrote to memory of 2736	1212	Explorer.EXE	52
PID 1212 wrote to memory of 2736	1212	Explorer.EXE	52
PID 2736 wrote to memory of 2056	2736	cmd.exe	53
PID 2736 wrote to memory of 2056	2736	cmd.exe	53
PID 2736 wrote to memory of 2056	2736	cmd.exe	53
PID 2736 wrote to memory of 2056	2736	cmd.exe	53

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\formbook.exe
  "C:\Users\Admin\AppData\Local\Temp\formbook.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1740
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2456
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1412
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2248
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2152
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1704
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2452
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2468
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2476
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2188
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2724
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2816
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2628
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2128
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2284
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:876
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2412
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2672
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2660
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2748
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2780
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:2736
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\formbook.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1212-3-0x0000000007110000-0x000000000726A000-memory.dmp

Filesize
1.4MB

Download
memory/1212-7-0x0000000007110000-0x000000000726A000-memory.dmp

Filesize
1.4MB

Download
memory/1740-1-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/1740-2-0x0000000000DBE000-0x0000000000DBF000-memory.dmp

Filesize
4KB

Download
memory/1740-0-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/2736-6-0x0000000049EC0000-0x0000000049F0C000-memory.dmp

Filesize
304KB

Download
memory/2736-4-0x0000000049EC0000-0x0000000049F0C000-memory.dmp

Filesize
304KB

Download