formbook | 598667091482e960508b94f2f46f6a6895afe071f3e37cd27cb4989865c2ee86

Analysis

max time kernel
149s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 23:11

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General

Target

f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe
Size

477KB
MD5

f4891c4b2d5d817c50477bb8fa11c0a4
SHA1

ce348c1ffa3a29ae6d318d9ab1f3fdede334e24a
SHA256

598667091482e960508b94f2f46f6a6895afe071f3e37cd27cb4989865c2ee86
SHA512

a545659229b733c74c7f402bcca6fe037ca53d11f4f07a2b62938474d2c22a5a9be77348967fb3a06ef6cd28dfd0da420b129a8c80d526e176c7d907c76f075e
SSDEEP

6144:5JzKf/zmCja4qQmQCrcbnFuuUcTFx0T21BOcCSaa1MSSB6T1KpQcHCbhI:5JY1ja4qQ+rcbFudkuN/S/1MSSPQcHKa

Score

10^/10

formbook fr persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

geturstuff.life

kisakollections.com

bkipmtahuna.com

aoxou.com

thebigandfreeupdates.download

utvtribe.com

icontoken.com

naturexperience.com

h2sentertainmentcafe.com

careerproresumepa.com

franchiseindia.directory

psychouniversity.com

traveng.com

mylifestylebyclem.com

greentmraelty.com

imoneg.com

lupusrebelacademy.com

ghqxc.info

lylulidbd.com

dalfreestyle.com

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/2348-22-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2348-27-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2276-33-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook
behavioral1/memory/2276-40-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2484	syscheck.exe
2348	syscheck.exe

Loads dropped DLL 2 IoCs

pid	Process
2372	cmd.exe
2484	syscheck.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\sysmgr = "C:\\Users\\Admin\\AppData\\Local\\syscheck.exe -boot"	syscheck.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2484 set thread context of 2348	2484	syscheck.exe	35
PID 2348 set thread context of 1324	2348	syscheck.exe	21
PID 2276 set thread context of 1324	2276	svchost.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2348	syscheck.exe
2348	syscheck.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe
2276	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2348	syscheck.exe
2348	syscheck.exe
2348	syscheck.exe
2276	svchost.exe
2276	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe
Token: SeDebugPrivilege	2484	syscheck.exe
Token: SeDebugPrivilege	2348	syscheck.exe
Token: SeDebugPrivilege	2276	svchost.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2848	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	28
PID 2772 wrote to memory of 2848	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	28
PID 2772 wrote to memory of 2848	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	28
PID 2772 wrote to memory of 2848	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	28
PID 2772 wrote to memory of 2372	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	32
PID 2772 wrote to memory of 2372	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	32
PID 2772 wrote to memory of 2372	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	32
PID 2772 wrote to memory of 2372	2772	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2484	2372	cmd.exe	34
PID 2372 wrote to memory of 2484	2372	cmd.exe	34
PID 2372 wrote to memory of 2484	2372	cmd.exe	34
PID 2372 wrote to memory of 2484	2372	cmd.exe	34
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 2484 wrote to memory of 2348	2484	syscheck.exe	35
PID 1324 wrote to memory of 2276	1324	Explorer.EXE	36
PID 1324 wrote to memory of 2276	1324	Explorer.EXE	36
PID 1324 wrote to memory of 2276	1324	Explorer.EXE	36
PID 1324 wrote to memory of 2276	1324	Explorer.EXE	36
PID 2276 wrote to memory of 1708	2276	svchost.exe	37
PID 2276 wrote to memory of 1708	2276	svchost.exe	37
PID 2276 wrote to memory of 1708	2276	svchost.exe	37
PID 2276 wrote to memory of 1708	2276	svchost.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Users\Admin\AppData\Local\Temp\f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:2848
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2372
  - - C:\Users\Admin\AppData\Local\syscheck.exe
      "C:\Users\Admin\AppData\Local\syscheck.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2484
    - - C:\Users\Admin\AppData\Local\syscheck.exe
        
        "C:\Users\Admin\AppData\Local\syscheck.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:2348
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\syscheck.exe

Filesize
477KB

MD5
f4891c4b2d5d817c50477bb8fa11c0a4

SHA1
ce348c1ffa3a29ae6d318d9ab1f3fdede334e24a

SHA256
598667091482e960508b94f2f46f6a6895afe071f3e37cd27cb4989865c2ee86

SHA512
a545659229b733c74c7f402bcca6fe037ca53d11f4f07a2b62938474d2c22a5a9be77348967fb3a06ef6cd28dfd0da420b129a8c80d526e176c7d907c76f075e

Download Submit
memory/1324-29-0x00000000037D0000-0x00000000038D0000-memory.dmp

Filesize
1024KB

Download
memory/1324-38-0x0000000006BF0000-0x0000000006D94000-memory.dmp

Filesize
1.6MB

Download
memory/1324-30-0x0000000006BF0000-0x0000000006D94000-memory.dmp

Filesize
1.6MB

Download
memory/2276-40-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/2276-36-0x0000000000520000-0x00000000005B3000-memory.dmp

Filesize
588KB

Download
memory/2276-34-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2276-33-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/2276-32-0x0000000000730000-0x0000000000738000-memory.dmp

Filesize
32KB

Download
memory/2276-31-0x0000000000730000-0x0000000000738000-memory.dmp

Filesize
32KB

Download
memory/2348-28-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2348-27-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2348-25-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download
memory/2348-18-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2348-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2348-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2348-22-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2484-12-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-16-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/2484-15-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-14-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/2484-13-0x0000000000360000-0x00000000003DE000-memory.dmp

Filesize
504KB

Download
memory/2484-24-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-0-0x0000000000C60000-0x0000000000CDE000-memory.dmp

Filesize
504KB

Download
memory/2772-11-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-7-0x0000000000AD0000-0x0000000000B10000-memory.dmp

Filesize
256KB

Download
memory/2772-6-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-3-0x0000000000AD0000-0x0000000000B10000-memory.dmp

Filesize
256KB

Download
memory/2772-2-0x0000000000710000-0x000000000072C000-memory.dmp

Filesize
112KB

Download
memory/2772-1-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download