formbook | 721718e23d15a5c7fac9edeb8a58142101e6fc433bbd476afb47dbcf9f3e1578

General

Target

HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
Size

1.6MB
MD5

a03c2d4c4885db5f3e8264e2e0523ee9
SHA1

53d45a80e79d121ec6745cf8816acb7e6598b897
SHA256

9dbaa66ef9f31c83ab943932bc96eaf2d6e9c1995b427c75e6e9a259f2c91697
SHA512

6f2ec109bf1e5b96f35d2b8ff1cc8facad31f329adad3486198f5b80ba38e7a17bf6a10d355f770f4b05b16dc1fedacf43afeaecabdfc8d34b8e998e14135433
SSDEEP

24576:xlUjX00wR9Uqk8qW0gmRR1Gbp0PjcET+v3JR945EIy8o:xKjXMR9UN8lYGbp0P4E6v3Jf4

Score

10^/10

formbook rzn discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rzn

Decoy

lyeth.net

annatdinh.com

amber-pozzi.com

kalunenterprise.com

knightskysbts.com

drnishamaharaj.com

neverendingbreadsticks.com

asuvac.com

snapbidz.com

autovistoriapredial.net

eskisla.com

fiorej.com

probuscee.com

elysme.com

laizdancefit.com

pet-imports.com

imasshipping.com

greenflagcars.com

essentialoilphotos.com

demolition4us.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
behavioral2/memory/4724-21-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4724-26-0x0000000000400000-0x000000000042E000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 4724 set thread context of 3568	4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	56
PID 2500 set thread context of 3568	2500	WWAHost.exe	56

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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WWAHost.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
3960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe
2500	WWAHost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
2500	WWAHost.exe
2500	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
Token: SeDebugPrivilege	4724	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
Token: SeDebugPrivilege	2500	WWAHost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3568	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 3960	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	100
PID 4204 wrote to memory of 3960	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	100
PID 4204 wrote to memory of 3960	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	100
PID 4204 wrote to memory of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 4204 wrote to memory of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 4204 wrote to memory of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 4204 wrote to memory of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 4204 wrote to memory of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 4204 wrote to memory of 4724	4204	HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe	102
PID 3568 wrote to memory of 2500	3568	Explorer.EXE	103
PID 3568 wrote to memory of 2500	3568	Explorer.EXE	103
PID 3568 wrote to memory of 2500	3568	Explorer.EXE	103
PID 2500 wrote to memory of 2212	2500	WWAHost.exe	106
PID 2500 wrote to memory of 2212	2500	WWAHost.exe	106
PID 2500 wrote to memory of 2212	2500	WWAHost.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
  "C:\Users\Admin\AppData\Local\Temp\HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe"
  2⤵
  - 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:4204
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TbBsVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D9E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3960
- - C:\Users\Admin\AppData\Local\Temp\HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe
    "C:\Users\Admin\AppData\Local\Temp\HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4724
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:2500
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\HEC Batangas Integrated LNG and Power Project DocumentationsType a message.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2212

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\tmp2D9E.tmp

Filesize
1KB

MD5
91debba4f4e42ce8ea6aa1588312cc16

SHA1
6b6c5e2d889e3dc6d7012723538ed887307d7b9b

SHA256
1fbb0a491b2dc6527152556c152ff0a976c605f6a79eac27f2829205fb56b051

SHA512
de9621ec038334ddd419248d0f00aef9c698f56ee97acb396e44d23f9097c268167a9541d414ddf6dba736b1807f9a48d29707678674d73a6adae2ded0bd88fe

Download Submit
memory/2500-31-0x00000000003A0000-0x000000000047C000-memory.dmp

Filesize
880KB

Download
memory/2500-29-0x00000000003A0000-0x000000000047C000-memory.dmp

Filesize
880KB

Download
memory/3568-37-0x0000000006E40000-0x0000000006F1C000-memory.dmp

Filesize
880KB

Download
memory/3568-35-0x0000000006E40000-0x0000000006F1C000-memory.dmp

Filesize
880KB

Download
memory/3568-34-0x0000000006E40000-0x0000000006F1C000-memory.dmp

Filesize
880KB

Download
memory/3568-32-0x00000000082D0000-0x000000000843B000-memory.dmp

Filesize
1.4MB

Download
memory/3568-28-0x00000000082D0000-0x000000000843B000-memory.dmp

Filesize
1.4MB

Download
memory/4204-15-0x000000000A8F0000-0x000000000A94C000-memory.dmp

Filesize
368KB

Download
memory/4204-5-0x0000000002940000-0x000000000294A000-memory.dmp

Filesize
40KB

Download
memory/4204-13-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/4204-14-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/4204-8-0x0000000008160000-0x00000000084B4000-memory.dmp

Filesize
3.3MB

Download
memory/4204-1-0x00000000004F0000-0x000000000069A000-memory.dmp

Filesize
1.7MB

Download
memory/4204-23-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-2-0x0000000007560000-0x00000000075FC000-memory.dmp

Filesize
624KB

Download
memory/4204-3-0x0000000007BB0000-0x0000000008154000-memory.dmp

Filesize
5.6MB

Download
memory/4204-4-0x00000000076A0000-0x0000000007732000-memory.dmp

Filesize
584KB

Download
memory/4204-7-0x0000000007890000-0x00000000078E6000-memory.dmp

Filesize
344KB

Download
memory/4204-6-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-12-0x00000000079B0000-0x00000000079BA000-memory.dmp

Filesize
40KB

Download
memory/4724-26-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4724-27-0x00000000017C0000-0x00000000017D4000-memory.dmp

Filesize
80KB

Download
memory/4724-24-0x00000000017E0000-0x0000000001B2A000-memory.dmp

Filesize
3.3MB

Download
memory/4724-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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