formbook | 579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9

General

Target

9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
Size

1.6MB
MD5

9f9ff2c8998e81058d583369b7a496de
SHA1

8fc0b5f4d6100e438fc734eb2082ba237efe0652
SHA256

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9
SHA512

98235d57d8395d89e9da377a48129aaf97640ea4fdddae65c4b5e1ae330d4b6911272ac953284fa8e752e28e3e0075b0dc153393c587c9a04ac24ac5481697bc
SSDEEP

12288:8WHyGfJqDJLZCpzeCptoDFjmjRPTjRPyjBjjijBjBjBjBjLjVA7nNi6HCZoU9+kw:rqqNeK2DgA7nNxCZLYHkgiPgp

Score

10^/10

formbook 2kf discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

2kf

Decoy

edmondscakes.com

doublewldr.online

tickets2usa.com

heyhxry.com

weightloss-gulfport.com

prosselius.com

newviewroofers.com

jacksonarearealestate.com

catparkas.xyz

pagos2020.com

sonwsefjrahi.online

franchisethings.com

nuocvietngaynay.com

sohelvai.com

mikeyroush.com

lamesaroofing.com

betbigo138.com

amazon-service-recovery.com

clockin.net

riostrader.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2972-21-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2972	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1556	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	31
PID 1308 wrote to memory of 1556	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	31
PID 1308 wrote to memory of 1556	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	31
PID 1308 wrote to memory of 1556	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	31
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33
PID 1308 wrote to memory of 2972	1308	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\puJzcbEe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CB5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1556
- C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2972

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
- System Location Discovery: System Language Discovery
PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8CB5.tmp

Filesize
1KB

MD5
7449fcd7a4916c10cd198d15fdbc7d0d

SHA1
13cc13009f77ef627721e1a16f945dde1dcd0082

SHA256
a11f11aea498acf9f1c8659a9766f3342c03084d1ce1eeb9c83afc8fe689115f

SHA512
f81ed63f42ea14bbea5a6ffc8dc9e22d5784b8e13536b4c4c4514994c294238f9057b91e001e2729e5768c2c4d87ec44dc5ec0ecfc0039e0ce886f74d1fc24c2

Download Submit
memory/1308-9-0x00000000072D0000-0x000000000732C000-memory.dmp

Filesize
368KB

Download
memory/1308-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-6-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/1308-7-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1308-8-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1308-1-0x0000000000830000-0x00000000009D8000-memory.dmp

Filesize
1.7MB

Download
memory/1308-22-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2972-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2972-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2972-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2972-23-0x0000000000B70000-0x0000000000E73000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads