formbook | b44ee52856f84ec787ba1c374c756932c713d3a93b8a610b0c4e362b008bb5eb

General

Target

ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe
Size

994KB
MD5

ad50c081824b04713a98c32b22e487f8
SHA1

757ca6a028d1e38efbedf24a8f957043ae22e694
SHA256

b44ee52856f84ec787ba1c374c756932c713d3a93b8a610b0c4e362b008bb5eb
SHA512

14af69699b174feea717cf92ecf97070878969596ed10f56dd871b57a52d09fcfb154a753e0a160dbdc813e96adea63c7139744751d5a645d5c1ed530abe96e0
SSDEEP

12288:87mFpBYj6jRPLjRPqjBjjyjBjBjBjBjLjkeJ28I4Php94J8JVIQkxHiZ3jJDOK8H:GyBJVIQeIIpgOG75

Score

10^/10

formbook dei5 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dei5

Decoy

studiomullerphoto.com

reallionairewear.com

dogsalondoggy-tail.com

excelmache.net

bigdiscounters.com

7986799.com

ignition.guru

xiaoxu.info

jpinpd.com

solpool.info

uchooswrewards.com

everestengineeringworks.com

qianglongzhipin.com

deepimper-325.com

appliedrate.com

radsazemehr.com

vivabematividadesfisicas.com

capacitalo.com

somecore.com

listingclass.net

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/4012-21-0x0000000000400000-0x000000000042E000-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	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3612 set thread context of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108

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	ad50c081824b04713a98c32b22e487f8_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
1112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe
4012	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe
4012	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 1112	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	106
PID 3612 wrote to memory of 1112	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	106
PID 3612 wrote to memory of 1112	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	106
PID 3612 wrote to memory of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108
PID 3612 wrote to memory of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108
PID 3612 wrote to memory of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108
PID 3612 wrote to memory of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108
PID 3612 wrote to memory of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108
PID 3612 wrote to memory of 4012	3612	ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe	108

C:\Users\Admin\AppData\Local\Temp\ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ad50c081824b04713a98c32b22e487f8_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\DIvKOnF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32FD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1112
- C:\Users\Admin\AppData\Local\Temp\ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ad50c081824b04713a98c32b22e487f8_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4012

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp32FD.tmp

Filesize
1KB

MD5
e0cce6b158a0024579401096584f906b

SHA1
cb67994376a8e4c4fc0778fc49dcb0c45525a18d

SHA256
f6cb8e97aa54902144ab5f5e22069eacc882f1fa7fc1996214f2611f5955181a

SHA512
8a53a776832620cf7ffb7b4a6fa2346c8d4c144d4079f2a1edaa9489430717ccb1ea1ff4450107b56c93acde4eda4ab888782893ece25cb7a5b31a28e4d4b5ab

Download Submit
memory/3612-8-0x0000000005A70000-0x0000000005DC4000-memory.dmp

Filesize
3.3MB

Download
memory/3612-7-0x00000000051F0000-0x0000000005246000-memory.dmp

Filesize
344KB

Download
memory/3612-3-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/3612-4-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/3612-12-0x0000000005FD0000-0x0000000005FDA000-memory.dmp

Filesize
40KB

Download
memory/3612-6-0x0000000004F20000-0x0000000004F2A000-memory.dmp

Filesize
40KB

Download
memory/3612-2-0x0000000004E70000-0x0000000004F0C000-memory.dmp

Filesize
624KB

Download
memory/3612-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/3612-5-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/3612-13-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/3612-14-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/3612-15-0x0000000008380000-0x00000000083DC000-memory.dmp

Filesize
368KB

Download
memory/3612-1-0x00000000003D0000-0x00000000004CE000-memory.dmp

Filesize
1016KB

Download
memory/3612-23-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4012-24-0x0000000001AE0000-0x0000000001E2A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads