formbook | 9701e87ea4beda798663d1e09569103cc9dcf517e2e9ad41d0f9304247cf2f1c

General

Target

d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
Size

1015KB
MD5

d239aa442968f1ecd78ec3fead79f1c5
SHA1

28d69f73c75a419ced1bed487f14ea09dab85b7a
SHA256

9701e87ea4beda798663d1e09569103cc9dcf517e2e9ad41d0f9304247cf2f1c
SHA512

c030f718b976b856d2aad62f9de5d7298139bd2dc718c796693007ec59af7d985ec1225a278715a224a2fde20421867f6d318acba4968854083e8085828b1395
SSDEEP

24576:BWzf2ryot2cyzmPLtEux5fXDj7RplYRIVcfc2:BWCMfG1xj1plYq9

Score

10^/10

formbook gbs discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gbs

Decoy

luxuryinstalls.com

thatszesty.com

distributed.team

cilaf.com

aspenonmain.com

clivehamiltonstone.com

alternadoresdelta.com

tortises.com

rivenguard.mobi

ileverageagency.com

etcglobaltrading.com

thetotalbusinesssolution.com

referralfromeap.com

influencermonk.com

shopartthekid.com

thestorycollectorinc.com

kichunclub.com

virginiaparent.com

comptoirsolis.com

wwwthenewyorktimes.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/1084-17-0x0000000000400000-0x000000000042E000-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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3612 set thread context of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98

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	d239aa442968f1ecd78ec3fead79f1c5_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
1756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
1084	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
1084	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 1756	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	96
PID 3612 wrote to memory of 1756	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	96
PID 3612 wrote to memory of 1756	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	96
PID 3612 wrote to memory of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98
PID 3612 wrote to memory of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98
PID 3612 wrote to memory of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98
PID 3612 wrote to memory of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98
PID 3612 wrote to memory of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98
PID 3612 wrote to memory of 1084	3612	d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZaIDWzKCuyKIFR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41C2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1756
- C:\Users\Admin\AppData\Local\Temp\d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d239aa442968f1ecd78ec3fead79f1c5_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1084

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\tmp41C2.tmp

Filesize
1KB

MD5
30a691314276ddec3aaf60317074014c

SHA1
3c448d74d6da0f7f8df9db42dafc7ecbc165773e

SHA256
f6538145112d2a4d5aca892f806d1ff0cf24935923eb1534b5f27b721605099b

SHA512
7acdd393d5c86b059e7dd2b7f8ce49c835d97b4f650a373b67ffcd1760575fdce10217d79e29d9017869187ca1158c556d6fa530033a951a9ffb134ffe41b49f

Download Submit
memory/1084-20-0x0000000001930000-0x0000000001C7A000-memory.dmp

Filesize
3.3MB

Download
memory/1084-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3612-4-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3612-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/3612-5-0x000000000AF10000-0x000000000AFA2000-memory.dmp

Filesize
584KB

Download
memory/3612-6-0x0000000002F00000-0x0000000002F0A000-memory.dmp

Filesize
40KB

Download
memory/3612-7-0x000000000B0F0000-0x000000000B146000-memory.dmp

Filesize
344KB

Download
memory/3612-8-0x000000000B0A0000-0x000000000B0AA000-memory.dmp

Filesize
40KB

Download
memory/3612-9-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/3612-10-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3612-11-0x0000000001600000-0x0000000001662000-memory.dmp

Filesize
392KB

Download
memory/3612-3-0x000000000B4C0000-0x000000000BA64000-memory.dmp

Filesize
5.6MB

Download
memory/3612-2-0x000000000AE70000-0x000000000AF0C000-memory.dmp

Filesize
624KB

Download
memory/3612-19-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3612-1-0x0000000000B20000-0x0000000000C24000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads