formbook | f23a4109022b07435c73f2f5e29770e87cdda4ef2a77c8b978a2b089399ea903

General

Target

0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe
Size

909KB
MD5

0c2b1eeac25a832ce077154cf58b8ffd
SHA1

b6c42b104518cd63b967edbffe1c25187fa7d9f3
SHA256

f23a4109022b07435c73f2f5e29770e87cdda4ef2a77c8b978a2b089399ea903
SHA512

93622b34856b3aaf16967fac2dd53f388ebf1de5096a8b30a5a19ba76ec7f907b72aa80d9f6eb498f6162cff1f8d5cb8f5f532c0d745af0f6f761ac350d7233a
SSDEEP

12288:taWK2n3qGaNHEyC9/oR9gy5FHK7zj40FvGFrE4trCdBdWSQZ3+ybEwcjpg+OzRV6:tnKePp9AR95yX40F8rC1K1Fc9QVixIO

Score

10^/10

formbook o4ms discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o4ms

Decoy

fishingboatpub.com

trebor72.com

qualitycleanaustralia.com

amphilykenyx.com

jayte90.net

alveegrace.com

le-fleursoleil.com

volumoffer.com

businessbookwriters.com

alpin-art.com

firsttastetogo.com

catofc.com

ref-290.com

sbo2008.com

fortlauderdaleelevators.com

shanghaiyalian.com

majestybags.com

afcerd.com

myceliated.com

ls0a.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2252-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2252-23-0x0000000000A10000-0x0000000000D13000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_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 2 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	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2252	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2744	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	31
PID 2508 wrote to memory of 2744	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	31
PID 2508 wrote to memory of 2744	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	31
PID 2508 wrote to memory of 2744	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	31
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33
PID 2508 wrote to memory of 2252	2508	0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KFwXXDtxJrwJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp62E8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c2b1eeac25a832ce077154cf58b8ffd_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2252

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\tmp62E8.tmp

Filesize
1KB

MD5
39c1a83d6afaff9571a52771cfd7ee28

SHA1
2abc4b704966449532a6eed2b688882ae2724782

SHA256
c1e26eec3552a058015b231193a2c11b9becbb454b0a177f59b578559471b9b2

SHA512
d1cce2fa573c3766871753be90b9eb73abc6acaaa3749acc22dafc8fee9401acdd0c6032db626c4ab08056282930c8366f1cc82e8e20f719f9b83134dc88cc61

Download Submit
memory/2252-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2252-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2252-23-0x0000000000A10000-0x0000000000D13000-memory.dmp

Filesize
3.0MB

Download
memory/2252-22-0x0000000000A10000-0x0000000000D13000-memory.dmp

Filesize
3.0MB

Download
memory/2252-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2252-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-5-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-21-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-7-0x0000000002040000-0x0000000002074000-memory.dmp

Filesize
208KB

Download
memory/2508-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-6-0x0000000007CE0000-0x0000000007D84000-memory.dmp

Filesize
656KB

Download
memory/2508-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2508-1-0x0000000000300000-0x00000000003E8000-memory.dmp

Filesize
928KB

Download
memory/2508-4-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2508-3-0x0000000000690000-0x00000000006A6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads