formbook | d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5

General

Target

a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe
Size

1000KB
MD5

a11723be474379dc80852dfeb99d2b4c
SHA1

918834984c6d13577625ae3b93d6207493f7ee15
SHA256

d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5
SHA512

24d7c9bfe3cdc67c36b5eeabd26e30a7f894a906fb475ff9996b86994e661bb10492d2c0c8da86aa4f51f1e4d1a02ee33400d24f70a27fb4bad9d07a3bb07036
SSDEEP

6144:XJ8hllsOBcUsBIynzr9dqrZUydTslCKhX6X01GvNBpTovheTS7orb36TRJeFE2J:ib9K/nzglTkNbGbpdrn3QQS2s

Score

10^/10

formbook n7ak discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.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
behavioral2/memory/2936-17-0x0000000000400000-0x000000000042D000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.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	a11723be474379dc80852dfeb99d2b4c_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
3740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2936	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe
2936	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 3740	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	99
PID 1232 wrote to memory of 3740	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	99
PID 1232 wrote to memory of 3740	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	99
PID 1232 wrote to memory of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	101
PID 1232 wrote to memory of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	101
PID 1232 wrote to memory of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	101
PID 1232 wrote to memory of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	101
PID 1232 wrote to memory of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	101
PID 1232 wrote to memory of 2936	1232	a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HnnVhc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADCF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3740
- C:\Users\Admin\AppData\Local\Temp\a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a11723be474379dc80852dfeb99d2b4c_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2936

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

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

Filesize
1KB

MD5
c144ffd02d7defb8acdaed6df970ba05

SHA1
d7a341af8bf8b17cb87eb5e97f74360bfa46c015

SHA256
e851179fc925dea22956744a3b11f6ccd14cd1b8d1500a6ec42ae2824f84f9ea

SHA512
eda65c46afe99aac5ca614482e28c52085bb90706a2e43cd0ba1aab3dea4ffeb84ec3353df63496f639d1d2de3ebd463877b25d36ebda23b274e87c4d6a63046

Download Submit
memory/1232-4-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/1232-9-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/1232-3-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/1232-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/1232-5-0x0000000004D60000-0x0000000004D6A000-memory.dmp

Filesize
40KB

Download
memory/1232-6-0x0000000004F50000-0x0000000004FA6000-memory.dmp

Filesize
344KB

Download
memory/1232-2-0x0000000004DB0000-0x0000000004E4C000-memory.dmp

Filesize
624KB

Download
memory/1232-8-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/1232-7-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/1232-10-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/1232-11-0x0000000000CF0000-0x0000000000D52000-memory.dmp

Filesize
392KB

Download
memory/1232-1-0x00000000002C0000-0x00000000003C0000-memory.dmp

Filesize
1024KB

Download
memory/1232-19-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/2936-17-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2936-20-0x00000000019C0000-0x0000000001D0A000-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