formbook | 267f66c96b16bd52ee383b06d728abd7f395e244cee4ab6a77caa319ae2c7996

General

Target

f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
Size

2.1MB
MD5

f368cd250e313612a8dfe5604aa44c16
SHA1

4a2cfe4b057b990f56a862e7b766e289bf526a5d
SHA256

267f66c96b16bd52ee383b06d728abd7f395e244cee4ab6a77caa319ae2c7996
SHA512

31434c49027e0049307d48e5cdda0950d865d1b0693441ad944e90d331cae62c9024988f2039fc049563d0185055ff4738774b596749014f7217c29dbf781ec1
SSDEEP

24576:TZzd/zy0ifLh84QPNt1MdYswzl+KC7FUTXqKdDF0eIsr4kUQcWCWtIgQowi:TZXZIA4kUZWHLQow

Score

10^/10

formbook cmsr discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cmsr

Decoy

dahlia-dolls.com

iamawife.com

gardunomx.com

roweelitetrucking.com

asapvk.com

strategieslimited.com

healthyweathorganics.com

wedding-gallery.net

fastoffer.online

biolab33.cloud

los40delocta.com

charliepaton.com

jenpaddock.com

zzmweb.com

poetarts.com

techwork4u.com

tracylynpropp.com

rkbodyfit.site

migaleriapanama.com

cosmostco.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
behavioral1/memory/1568-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33

System Location Discovery: System Language Discovery 1 TTPs 1 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	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
1568	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 1944	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1944	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1944	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1944	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	31
PID 2536 wrote to memory of 668	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	32
PID 2536 wrote to memory of 668	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	32
PID 2536 wrote to memory of 668	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	32
PID 2536 wrote to memory of 668	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	32
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33
PID 2536 wrote to memory of 1568	2536	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe"
  2⤵
  PID:1944
- C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe"
  2⤵
  PID:668
- C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1568-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1568-14-0x0000000000B90000-0x0000000000E93000-memory.dmp

Filesize
3.0MB

Download
memory/1568-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1568-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1568-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2536-3-0x0000000000960000-0x0000000000978000-memory.dmp

Filesize
96KB

Download
memory/2536-6-0x0000000002200000-0x0000000002258000-memory.dmp

Filesize
352KB

Download
memory/2536-5-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-4-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

Filesize
4KB

Download
memory/2536-0-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

Filesize
4KB

Download
memory/2536-2-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-13-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-1-0x0000000000090000-0x00000000002A2000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing