formbook | a28314c9bf3aefd41c9bdaf8531d4516c0ca6ce4d269cda1dc992fac6e6f0c93

General

Target

JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe
Size

481KB
MD5

ae968eba5a26495706219fa2957255cd
SHA1

60e0a0b07e080896c96980409f419aecc9740f7b
SHA256

a28314c9bf3aefd41c9bdaf8531d4516c0ca6ce4d269cda1dc992fac6e6f0c93
SHA512

3da73a5af955f4731cb7386d755a2d9002c4c1ad1fbee8ff7004382c147fdf9bd8870db1b9eb1f19b16deb229dd45acd3b84bc8f9e95085dc7e99ba1b14a9a12
SSDEEP

6144:ukY2uQSJliuC3IR7izDC6q9v5bZeIjuQz1G77B1haL7JGKXGDvlCCmBzR7/BZ02w:uB2urJliuC4RSGHrUjfO/GTlCCmJ

Score

10^/10

formbook oy1n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oy1n

Decoy

tammiestakeyqynaxbsjxgt.com

whbx-sfgsge1009-xvsdf.xyz

0ass52.icu

alfer-creacions.com

jsscr5.icu

kclearyart.com

studioandric.com

2zem.online

convert-course.com

fonduesetdirect.com

pohonrambutan.com

dousujing.net

dizzydamesdesigns.com

sphetbiubr318-nifty.xyz

bolader.com

casaceramique.com

ugrza.tech

pakzak.com

mjrandsons.com

happyandrelaxedstore.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4508-16-0x0000000000400000-0x000000000042F000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101

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	JaffaCakes118_ae968eba5a26495706219fa2957255cd.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
2984	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4508	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe
4508	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2984	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	99
PID 2256 wrote to memory of 2984	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	99
PID 2256 wrote to memory of 2984	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	99
PID 2256 wrote to memory of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101
PID 2256 wrote to memory of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101
PID 2256 wrote to memory of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101
PID 2256 wrote to memory of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101
PID 2256 wrote to memory of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101
PID 2256 wrote to memory of 4508	2256	JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xSTqlBW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1076.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2984
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ae968eba5a26495706219fa2957255cd.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4508

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

Query Registry

1

T1012

System Information Discovery

2

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

memory/2256-6-0x0000000006F10000-0x0000000006FAC000-memory.dmp

Filesize
624KB

Download
memory/2256-18-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2256-2-0x0000000005DF0000-0x0000000006394000-memory.dmp

Filesize
5.6MB

Download
memory/2256-3-0x0000000005770000-0x0000000005802000-memory.dmp

Filesize
584KB

Download
memory/2256-4-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/2256-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2256-8-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/2256-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/2256-1-0x0000000000E90000-0x0000000000F0E000-memory.dmp

Filesize
504KB

Download
memory/2256-9-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2256-10-0x0000000005DA0000-0x0000000005DF8000-memory.dmp

Filesize
352KB

Download
memory/2256-7-0x0000000005AD0000-0x0000000005ADE000-memory.dmp

Filesize
56KB

Download
memory/4508-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4508-19-0x0000000001640000-0x000000000198A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads