formbook | 1f7b393e44ad6fcc5273bd57a21db95f4f20ca715cab20157455edd05f87f672

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

ow

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
behavioral2/memory/4340-19-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4340-27-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/5036-30-0x00000000008A0000-0x00000000008CA000-memory.dmp	formbook
behavioral2/memory/5036-35-0x00000000008A0000-0x00000000008CA000-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	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
972	syscheck.exe
4340	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\sysnet = "C:\\Users\\Admin\\AppData\\Local\\syscheck.exe -boot"	syscheck.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 972 set thread context of 4340	972	syscheck.exe	103
PID 4340 set thread context of 3328	4340	syscheck.exe	56
PID 5036 set thread context of 3328	5036	cmstp.exe	56

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4340	syscheck.exe
4340	syscheck.exe
4340	syscheck.exe
4340	syscheck.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe
5036	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4340	syscheck.exe
4340	syscheck.exe
4340	syscheck.exe
5036	cmstp.exe
5036	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe
Token: SeDebugPrivilege	972	syscheck.exe
Token: SeDebugPrivilege	4340	syscheck.exe
Token: SeDebugPrivilege	5036	cmstp.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3328	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 3180	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	93
PID 2188 wrote to memory of 3180	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	93
PID 2188 wrote to memory of 3180	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	93
PID 2188 wrote to memory of 5068	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	99
PID 2188 wrote to memory of 5068	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	99
PID 2188 wrote to memory of 5068	2188	f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe	99
PID 5068 wrote to memory of 972	5068	cmd.exe	101
PID 5068 wrote to memory of 972	5068	cmd.exe	101
PID 5068 wrote to memory of 972	5068	cmd.exe	101
PID 972 wrote to memory of 4340	972	syscheck.exe	103
PID 972 wrote to memory of 4340	972	syscheck.exe	103
PID 972 wrote to memory of 4340	972	syscheck.exe	103
PID 972 wrote to memory of 4340	972	syscheck.exe	103
PID 972 wrote to memory of 4340	972	syscheck.exe	103
PID 972 wrote to memory of 4340	972	syscheck.exe	103
PID 3328 wrote to memory of 5036	3328	Explorer.EXE	104
PID 3328 wrote to memory of 5036	3328	Explorer.EXE	104
PID 3328 wrote to memory of 5036	3328	Explorer.EXE	104
PID 5036 wrote to memory of 3860	5036	cmstp.exe	105
PID 5036 wrote to memory of 3860	5036	cmstp.exe	105
PID 5036 wrote to memory of 3860	5036	cmstp.exe	105

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Users\Admin\AppData\Local\Temp\f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f7e16970e5f6aec9ed1fb634bfee3269_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2188
- - 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:3180
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5068
  - - 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:972
    - - 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:4340
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5036
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:3860

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
483KB

MD5
f7e16970e5f6aec9ed1fb634bfee3269

SHA1
f939bfe961ac41b7a35f7763398d18248ffdf965

SHA256
1f7b393e44ad6fcc5273bd57a21db95f4f20ca715cab20157455edd05f87f672

SHA512
270f06a3ae1e17fe7db5e40c98b14d1f0be29f94921c6c357fc26be93d577d4e8564320ef010eceabfe4a9790fa9a2bcc0a5bebaf51e30b0cdd314a096e0779d

Download Submit
memory/972-22-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/972-18-0x0000000005950000-0x00000000059EC000-memory.dmp

Filesize
624KB

Download
memory/972-17-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/972-16-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/972-15-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2188-4-0x0000000002620000-0x000000000263C000-memory.dmp

Filesize
112KB

Download
memory/2188-9-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2188-11-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2188-8-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2188-5-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2188-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/2188-2-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/2188-0-0x0000000000320000-0x000000000039E000-memory.dmp

Filesize
504KB

Download
memory/2188-1-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3328-37-0x0000000008D60000-0x0000000008E98000-memory.dmp

Filesize
1.2MB

Download
memory/3328-41-0x0000000008D60000-0x0000000008E98000-memory.dmp

Filesize
1.2MB

Download
memory/3328-38-0x0000000008D60000-0x0000000008E98000-memory.dmp

Filesize
1.2MB

Download
memory/3328-26-0x0000000003230000-0x0000000003304000-memory.dmp

Filesize
848KB

Download
memory/4340-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4340-27-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4340-25-0x0000000001130000-0x0000000001144000-memory.dmp

Filesize
80KB

Download
memory/4340-24-0x00000000011D0000-0x000000000151A000-memory.dmp

Filesize
3.3MB

Download
memory/5036-28-0x0000000000DB0000-0x0000000000DC6000-memory.dmp

Filesize
88KB

Download
memory/5036-29-0x0000000000DB0000-0x0000000000DC6000-memory.dmp

Filesize
88KB

Download
memory/5036-30-0x00000000008A0000-0x00000000008CA000-memory.dmp

Filesize
168KB

Download
memory/5036-31-0x00000000029F0000-0x0000000002D3A000-memory.dmp

Filesize
3.3MB

Download
memory/5036-33-0x0000000002690000-0x0000000002723000-memory.dmp

Filesize
588KB

Download
memory/5036-35-0x00000000008A0000-0x00000000008CA000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads