formbook | 31484ef741b768334de711e353731bd89c67711df613b4e175f1205531a53c00

General

Target

9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe
Size

814KB
MD5

9ec16b6ca90830f0b441ea3e8165ac6f
SHA1

fc6430b311fcc6176fa5b1cb00f5a173c88c7556
SHA256

31484ef741b768334de711e353731bd89c67711df613b4e175f1205531a53c00
SHA512

0f7e2ed8fb9265466e9de80d0683047628b58624eaa9dd261960c410eea8c6a6e04832f739461659401dec0700521967c210eb7c1be5472c8042f838a5b7e8ad
SSDEEP

12288:vb8bzclUwpdXd04XzCdgfu0JvTkgY05XSn+huL4dxUFxaQOA5i+87QxsBop0wv:vgbeNUgfLxAPeCn+hu3aTA5i+87QxsC

Score

10^/10

formbook fw3d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fw3d

Decoy

mekohscurls.com

camelbacktownhomes.com

workrelated.net

coukre.com

militiamixedmartialarts.com

oleandrim.net

dgyszxjx.com

admoney.info

myboytoybox.com

caprockacres.com

kenroywilson.com

koheuav.asia

qualifycet.com

safficient.com

alinabica.com

iptvpremiumserver.com

ixiaroboosterprogram.com

societymixersite.club

soulsearcherscny.com

ktwx198.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

Processes:

resource	yara_rule
behavioral2/memory/956-19-0x0000000000400000-0x000000000042E000-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

Processes:

9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 5012 set thread context of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93

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

Processes:

schtasks.exe9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.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

Processes:

schtasks.exe

pid	Process
4864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

pid	Process
5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe
956	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe
956	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 5012 wrote to memory of 4864	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	91
PID 5012 wrote to memory of 4864	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	91
PID 5012 wrote to memory of 4864	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	91
PID 5012 wrote to memory of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93
PID 5012 wrote to memory of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93
PID 5012 wrote to memory of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93
PID 5012 wrote to memory of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93
PID 5012 wrote to memory of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93
PID 5012 wrote to memory of 956	5012	9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ec16b6ca90830f0b441ea3e8165ac6f_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:5012
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wqbGRpDsVtrmh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp580E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4864
- C:\Users\Admin\AppData\Local\Temp\9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9ec16b6ca90830f0b441ea3e8165ac6f_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:956

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\tmp580E.tmp

Filesize
1KB

MD5
fd24a5206ccb958d62b81803a88cf762

SHA1
679b62f6bb38ae781c4bbf150a7b8078961db3e4

SHA256
088692633878fd258a3592b12bfc45d96f54b78ec00810185c68de6955bf50c0

SHA512
ae0f5079860258a71e24b575e090c577dfd7ff92bb683de1cdb461e8b660e4e5df3889e3f49855645b968cb5d22723ab1fdf6144261bf39d22575bbf3c794180

Download Submit
memory/956-23-0x0000000001AA0000-0x0000000001DEA000-memory.dmp

Filesize
3.3MB

Download
memory/956-22-0x0000000001AA0000-0x0000000001DEA000-memory.dmp

Filesize
3.3MB

Download
memory/956-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5012-8-0x00000000058A0000-0x00000000058F6000-memory.dmp

Filesize
344KB

Download
memory/5012-11-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-6-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-7-0x0000000003020000-0x000000000302A000-memory.dmp

Filesize
40KB

Download
memory/5012-0-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/5012-9-0x0000000006CC0000-0x0000000006CD6000-memory.dmp

Filesize
88KB

Download
memory/5012-10-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/5012-5-0x000000000AA90000-0x000000000AB22000-memory.dmp

Filesize
584KB

Download
memory/5012-12-0x0000000007060000-0x00000000070FE000-memory.dmp

Filesize
632KB

Download
memory/5012-13-0x0000000007690000-0x00000000076C4000-memory.dmp

Filesize
208KB

Download
memory/5012-4-0x000000000B180000-0x000000000B724000-memory.dmp

Filesize
5.6MB

Download
memory/5012-3-0x000000000AB30000-0x000000000ABCC000-memory.dmp

Filesize
624KB

Download
memory/5012-21-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-2-0x00000000054C0000-0x0000000005556000-memory.dmp

Filesize
600KB

Download
memory/5012-1-0x0000000000BE0000-0x0000000000CB2000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads