formbook | 598667091482e960508b94f2f46f6a6895afe071f3e37cd27cb4989865c2ee86

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

fr

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
behavioral2/memory/4832-20-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4832-26-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/3748-32-0x00000000008A0000-0x00000000008CA000-memory.dmp	formbook
behavioral2/memory/3748-38-0x00000000008A0000-0x00000000008CA000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3936	syscheck.exe
4832	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-1-5-21-4084619521-2220719027-1909462854-1000\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 3936 set thread context of 4832	3936	syscheck.exe	103
PID 4832 set thread context of 3328	4832	syscheck.exe	56
PID 3748 set thread context of 3328	3748	WWAHost.exe	56

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
4832	syscheck.exe
4832	syscheck.exe
4832	syscheck.exe
4832	syscheck.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe
3748	WWAHost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4832	syscheck.exe
4832	syscheck.exe
4832	syscheck.exe
3748	WWAHost.exe
3748	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe
Token: SeDebugPrivilege	3936	syscheck.exe
Token: SeDebugPrivilege	4832	syscheck.exe
Token: SeShutdownPrivilege	3328	Explorer.EXE
Token: SeCreatePagefilePrivilege	3328	Explorer.EXE
Token: SeDebugPrivilege	3748	WWAHost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3328	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4688	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	93
PID 2800 wrote to memory of 4688	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	93
PID 2800 wrote to memory of 4688	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	93
PID 2800 wrote to memory of 4520	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	99
PID 2800 wrote to memory of 4520	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	99
PID 2800 wrote to memory of 4520	2800	f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe	99
PID 4520 wrote to memory of 3936	4520	cmd.exe	101
PID 4520 wrote to memory of 3936	4520	cmd.exe	101
PID 4520 wrote to memory of 3936	4520	cmd.exe	101
PID 3936 wrote to memory of 4832	3936	syscheck.exe	103
PID 3936 wrote to memory of 4832	3936	syscheck.exe	103
PID 3936 wrote to memory of 4832	3936	syscheck.exe	103
PID 3936 wrote to memory of 4832	3936	syscheck.exe	103
PID 3936 wrote to memory of 4832	3936	syscheck.exe	103
PID 3936 wrote to memory of 4832	3936	syscheck.exe	103
PID 3328 wrote to memory of 3748	3328	Explorer.EXE	104
PID 3328 wrote to memory of 3748	3328	Explorer.EXE	104
PID 3328 wrote to memory of 3748	3328	Explorer.EXE	104
PID 3748 wrote to memory of 4124	3748	WWAHost.exe	105
PID 3748 wrote to memory of 4124	3748	WWAHost.exe	105
PID 3748 wrote to memory of 4124	3748	WWAHost.exe	105

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Users\Admin\AppData\Local\Temp\f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f4891c4b2d5d817c50477bb8fa11c0a4_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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:4688
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4520
  - - C:\Users\Admin\AppData\Local\syscheck.exe
      "C:\Users\Admin\AppData\Local\syscheck.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3936
    - - 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:4832
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:4124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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/2800-3-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/2800-11-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2800-0-0x0000000000980000-0x00000000009FE000-memory.dmp

Filesize
504KB

Download
memory/2800-4-0x0000000002DC0000-0x0000000002DDC000-memory.dmp

Filesize
112KB

Download
memory/2800-5-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/2800-8-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2800-9-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/2800-2-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/2800-1-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3328-44-0x0000000008D60000-0x0000000008E80000-memory.dmp

Filesize
1.1MB

Download
memory/3328-41-0x0000000008D60000-0x0000000008E80000-memory.dmp

Filesize
1.1MB

Download
memory/3328-40-0x0000000008D60000-0x0000000008E80000-memory.dmp

Filesize
1.1MB

Download
memory/3328-36-0x0000000003230000-0x0000000003394000-memory.dmp

Filesize
1.4MB

Download
memory/3328-28-0x0000000003230000-0x0000000003394000-memory.dmp

Filesize
1.4MB

Download
memory/3748-29-0x0000000000140000-0x000000000021C000-memory.dmp

Filesize
880KB

Download
memory/3748-34-0x0000000001190000-0x0000000001223000-memory.dmp

Filesize
588KB

Download
memory/3748-38-0x00000000008A0000-0x00000000008CA000-memory.dmp

Filesize
168KB

Download
memory/3748-33-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download
memory/3748-32-0x00000000008A0000-0x00000000008CA000-memory.dmp

Filesize
168KB

Download
memory/3748-31-0x0000000000140000-0x000000000021C000-memory.dmp

Filesize
880KB

Download
memory/3936-19-0x0000000006050000-0x00000000060EC000-memory.dmp

Filesize
624KB

Download
memory/3936-23-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3936-18-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3936-17-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3936-16-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3936-15-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4832-27-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

Filesize
80KB

Download
memory/4832-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4832-26-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4832-24-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads