formbook | fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b

General

Target

957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe
Size

732KB
MD5

957014bc66c96533ca3cf65a5b355038
SHA1

cedbfdb6bd9d4ee9397d2fe0bfab563b01c9ba2a
SHA256

fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b
SHA512

dd3a42758775b0b8cbd53f89dd23d99ae56a76fa4c13abae3e307c5209ec1edf5a070fddafa9bf6174a0243089bab53fe0c9988ae4b4af2f72f42a2d4e089314
SSDEEP

12288:nX6Orlv+6cJ/QlI2eUBvV+klwuimKb0aw1xcA6i5zDJEkcYv2tasGHW:X6O5Lg/XUB9+jPsxJ6i5zDeyutasoW

Score

10^/10

formbook bf3 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bf3

Decoy

ecatcom.com

what3emoji.com

primbathandbody.com

yt-itclub.com

newbieeer.com

getyoursofa.com

mexicanitems.info

catalogcardgames.net

leagueofwomengolfers.com

gvanmp.com

midnightsunhi.com

cnluma.com

sunsetcherrydesigns.com

cosmoproturkey.com

inifinityapps.net

making50masks.com

battalionice.com

uk-calculation.net

frosteatlove.com

bs-mag.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/2660-16-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2660-19-0x0000000000BB0000-0x0000000000EB3000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32

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	957014bc66c96533ca3cf65a5b355038_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
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2660	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2784	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	30
PID 2816 wrote to memory of 2784	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	30
PID 2816 wrote to memory of 2784	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	30
PID 2816 wrote to memory of 2784	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	30
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2660	2816	957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NPFWxIEmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE179.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\957014bc66c96533ca3cf65a5b355038_JaffaCakes118.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2660

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\tmpE179.tmp

Filesize
1KB

MD5
1709a4637660235739ae5250f21b15bb

SHA1
b14a9d6ab45d94e0135a71594a241f65bb4d93ac

SHA256
fb54b76998988bcf18e29f1a66660e650f5e92a406076aeccfdcc77184a3484a

SHA512
2d6ab9f3629846af101ef89454225a4e0b947563c695e7606944694c602316ed5143be386918ee103acd34e366bf8bb5c95f2cfb63636ddb628529b6be61ca94

Download Submit
memory/2660-19-0x0000000000BB0000-0x0000000000EB3000-memory.dmp

Filesize
3.0MB

Download
memory/2660-18-0x0000000000BB0000-0x0000000000EB3000-memory.dmp

Filesize
3.0MB

Download
memory/2660-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2660-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2660-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2816-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-6-0x0000000005D00000-0x0000000005D96000-memory.dmp

Filesize
600KB

Download
memory/2816-5-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-4-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2816-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2816-17-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-2-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-1-0x0000000000AF0000-0x0000000000BAE000-memory.dmp

Filesize
760KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads