formbook | 1f7b393e44ad6fcc5273bd57a21db95f4f20ca715cab20157455edd05f87f672

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 11:14

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General

Target

f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe
Size

483KB
MD5

f7e16970e5f6aec9ed1fb634bfee3269
SHA1

f939bfe961ac41b7a35f7763398d18248ffdf965
SHA256

1f7b393e44ad6fcc5273bd57a21db95f4f20ca715cab20157455edd05f87f672
SHA512

270f06a3ae1e17fe7db5e40c98b14d1f0be29f94921c6c357fc26be93d577d4e8564320ef010eceabfe4a9790fa9a2bcc0a5bebaf51e30b0cdd314a096e0779d
SSDEEP

6144:5IFhuSYWFYgrKsUc3y2WnO1xzcWmZXe2rkwnbo60T21BOcCSrYDEgfje5ig1ef9B:0h8Mz+sv3y2N1xzAZprkmuN/SD5iKefz

Score

10^/10

formbook ow persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

piavecaffe.com

jlxkqg.men

lifesavingfoundation.net

karadasama.net

michaeltraolach-macsweeney.com

thunderwatches.com

serviciocasawhirlpool.biz

c-cap.online

itparksolution.com

clarityhearingkw.com

wpgrosiri.date

colemarshalcambell.com

webperffest.com

adjusterforirma.info

buildersqq.com

spiritualwisdominindia.com

111222333.net

traditionalarabicdishes.com

hmlifi.com

receive-our-info-heredaily.info

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/2616-25-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2616-30-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1064-36-0x00000000000F0000-0x000000000011A000-memory.dmp	formbook
behavioral1/memory/1064-43-0x00000000000F0000-0x000000000011A000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2444	syscheck.exe
2616	syscheck.exe

Loads dropped DLL 2 IoCs

pid	Process
2476	cmd.exe
2444	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-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\sysnet = "C:\\Users\\Admin\\AppData\\Local\\syscheck.exe -boot"	syscheck.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2616	2444	syscheck.exe	35
PID 2616 set thread context of 1280	2616	syscheck.exe	21
PID 1064 set thread context of 1280	1064	wininit.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
2616	syscheck.exe
2616	syscheck.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe
1064	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2616	syscheck.exe
2616	syscheck.exe
2616	syscheck.exe
1064	wininit.exe
1064	wininit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe
Token: SeDebugPrivilege	2444	syscheck.exe
Token: SeDebugPrivilege	2616	syscheck.exe
Token: SeDebugPrivilege	1064	wininit.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1884	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	28
PID 2356 wrote to memory of 1884	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	28
PID 2356 wrote to memory of 1884	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	28
PID 2356 wrote to memory of 1884	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	28
PID 2356 wrote to memory of 2476	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	32
PID 2356 wrote to memory of 2476	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	32
PID 2356 wrote to memory of 2476	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	32
PID 2356 wrote to memory of 2476	2356	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	32
PID 2476 wrote to memory of 2444	2476	cmd.exe	34
PID 2476 wrote to memory of 2444	2476	cmd.exe	34
PID 2476 wrote to memory of 2444	2476	cmd.exe	34
PID 2476 wrote to memory of 2444	2476	cmd.exe	34
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 2444 wrote to memory of 2616	2444	syscheck.exe	35
PID 1280 wrote to memory of 1064	1280	Explorer.EXE	36
PID 1280 wrote to memory of 1064	1280	Explorer.EXE	36
PID 1280 wrote to memory of 1064	1280	Explorer.EXE	36
PID 1280 wrote to memory of 1064	1280	Explorer.EXE	36
PID 1064 wrote to memory of 268	1064	wininit.exe	37
PID 1064 wrote to memory of 268	1064	wininit.exe	37
PID 1064 wrote to memory of 268	1064	wininit.exe	37
PID 1064 wrote to memory of 268	1064	wininit.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:1884
- - 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:2476
  - - 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:2444
    - - 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:2616
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:268

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

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

Filesize
483KB

MD5
f7e16970e5f6aec9ed1fb634bfee3269

SHA1
f939bfe961ac41b7a35f7763398d18248ffdf965

SHA256
1f7b393e44ad6fcc5273bd57a21db95f4f20ca715cab20157455edd05f87f672

SHA512
270f06a3ae1e17fe7db5e40c98b14d1f0be29f94921c6c357fc26be93d577d4e8564320ef010eceabfe4a9790fa9a2bcc0a5bebaf51e30b0cdd314a096e0779d

Download Submit
memory/1064-34-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1064-35-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1064-36-0x00000000000F0000-0x000000000011A000-memory.dmp

Filesize
168KB

Download
memory/1064-37-0x0000000001F30000-0x0000000002233000-memory.dmp

Filesize
3.0MB

Download
memory/1064-39-0x0000000001D30000-0x0000000001DC3000-memory.dmp

Filesize
588KB

Download
memory/1064-43-0x00000000000F0000-0x000000000011A000-memory.dmp

Filesize
168KB

Download
memory/1280-40-0x0000000000110000-0x0000000000210000-memory.dmp

Filesize
1024KB

Download
memory/1280-33-0x0000000004260000-0x0000000004337000-memory.dmp

Filesize
860KB

Download
memory/1280-31-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

Filesize
1024KB

Download
memory/1280-41-0x0000000004260000-0x0000000004337000-memory.dmp

Filesize
860KB

Download
memory/2356-6-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2356-0-0x0000000000880000-0x00000000008FE000-memory.dmp

Filesize
504KB

Download
memory/2356-10-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2356-7-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download
memory/2356-3-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download
memory/2356-2-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download
memory/2356-1-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-12-0x0000000000380000-0x00000000003FE000-memory.dmp

Filesize
504KB

Download
memory/2444-18-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/2444-27-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-13-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-14-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/2444-15-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-16-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/2616-32-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2616-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2616-21-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2616-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-25-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2616-28-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/2616-30-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download