formbook | bd746ec7cac902a0b12f829efa801316f11b5ab6df024ff0f75c178134daad99

General

Target

3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe
Size

889KB
MD5

3a4b0695b3752747171249f731a42a0f
SHA1

472db8f1ad0121714b1c0692d050f055ee7117dc
SHA256

bd746ec7cac902a0b12f829efa801316f11b5ab6df024ff0f75c178134daad99
SHA512

a21fbc3d9c7c9c87ccab446ee7ec978826cadbe3faaa9fc6bb2fa07e4d5d9ecf7ea00de897ded2ff2452b951197f94d37d62e5d4d82e101eb1db7efaac4b26da
SSDEEP

12288:F5LfSgsVSj4s4IHK7zqcqpvYri3jZcYGnnwFN5pP0D+9uAw0OyVq/k:vQSksmPq7iK5pP0v0OAq/

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/800-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/800-23-0x0000000000700000-0x0000000000A03000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 800	2728	3a4b0695b3752747171249f731a42a0f_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	3a4b0695b3752747171249f731a42a0f_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
772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
800	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 772	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	31
PID 2728 wrote to memory of 772	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	31
PID 2728 wrote to memory of 772	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	31
PID 2728 wrote to memory of 772	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	31
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33
PID 2728 wrote to memory of 800	2728	3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gBiomise" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:772
- C:\Users\Admin\AppData\Local\Temp\3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3a4b0695b3752747171249f731a42a0f_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:800

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\tmp56D.tmp

Filesize
1KB

MD5
c20ddbce735911529debf3ab381fbf25

SHA1
0e49ca5602ec146332382f37ead97e48f0a5c34c

SHA256
13b24f7bf66fc4bd095028652987b83079210faca28df680cebc0bc900baebda

SHA512
3122d974be3d6f669296fd5a89dee18c4c5829ffa5b2c3e6541a401471e9b008ca0801f4d32e1d68f7d23fb5dfc9156356c7629c4d0d6dd4a175fb8ae737cd43

Download Submit
memory/800-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/800-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/800-23-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/800-22-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/800-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/800-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2728-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-6-0x00000000055D0000-0x0000000005672000-memory.dmp

Filesize
648KB

Download
memory/2728-7-0x0000000005140000-0x0000000005174000-memory.dmp

Filesize
208KB

Download
memory/2728-5-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-1-0x00000000012D0000-0x00000000013B4000-memory.dmp

Filesize
912KB

Download
memory/2728-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2728-21-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-4-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2728-3-0x00000000005D0000-0x00000000005E6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads