formbook | 28c5ed49a415babc182c3c990ec24e5a860fe7b51b0fc768cccae59a08f8a26f

General

Target

eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
Size

989KB
MD5

eb29c382d8a70b5d78802d04ec5623e4
SHA1

0e74128bb6f4c5a75596cfe87a6df9e09f35d1b8
SHA256

28c5ed49a415babc182c3c990ec24e5a860fe7b51b0fc768cccae59a08f8a26f
SHA512

498f2b08468ef18cbb10a070cce05969f84ccfbe800eea1523e5bae37dba5a8d2fde515cc16bb47187311f779b1a84964940f4d8b0cbf8aeb95aa54bec7fede3
SSDEEP

24576:Mtb20pkaCqT5TBWgNQ7aIkX04z6ZQrhk6A:1Vg5tQ7aIktzCQC5

Score

10^/10

formbook war discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.8

Campaign

war

Decoy

baoeasy.net

elblogdelagenteinmobiliario.com

jxnklx.com

styleweit.com

usmivki.net

gxxmybkw.com

thrifty.tools

oslomatch.com

housten.help

zhituwangluo.com

cagili.info

fanniesandbums.com

metalpay.exchange

swissden.com

padreisla2.com

flysat-stream.com

kadabradelivery.com

mumoswolrd.com

nti.ltd

shiretokoserai.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/2304-10-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2304-13-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 2776 set thread context of 1376	2776	mstsc.exe	20

System Location Discovery: System Language Discovery 1 TTPs 3 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	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe
2776	mstsc.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2776	mstsc.exe
2776	mstsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	mstsc.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2304	1120	eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe	29
PID 2776 wrote to memory of 2832	2776	mstsc.exe	31
PID 2776 wrote to memory of 2832	2776	mstsc.exe	31
PID 2776 wrote to memory of 2832	2776	mstsc.exe	31
PID 2776 wrote to memory of 2832	2776	mstsc.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1376
- C:\Users\Admin\AppData\Local\Temp\eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eb29c382d8a70b5d78802d04ec5623e4_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\WerFault.exe
    "C:\Windows\SysWOW64\WerFault.exe"
    3⤵
    PID:2304
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\WerFault.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2832

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.resource

Filesize
167KB

MD5
809dd59315e8ddc7b8620dcbf40e600f

SHA1
bbdd679ef59ada9b40c7c648e8401596e480b962

SHA256
801e944ab6513594fffb38572788b6db73e087f4b83555916aec34b2d9ec8971

SHA512
06aba4ede1856b652cb85f022a0b29f008c09969d9979aa0fbd1349cce584041b280f339030d096e7877e0e15339e3812dd6aa2a7242302896aac66985e8a11b

Download Submit
memory/2304-8-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2304-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2304-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2304-7-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2304-13-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2776-11-0x0000000000A70000-0x0000000000B74000-memory.dmp

Filesize
1.0MB

Download
memory/2776-12-0x0000000002250000-0x0000000002553000-memory.dmp

Filesize
3.0MB

Download
memory/2776-15-0x0000000001F80000-0x0000000002013000-memory.dmp

Filesize
588KB

Download

Analysis

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