formbook | da3a2f5c493aabfba08548ebf199ec7ab8cb247edc1b006a448c153960ac7600

General

Target

DHL Shipment Notification 5011586210.exe
Size

358KB
MD5

8ea0022fe9bfb7a53c0650a1991d9420
SHA1

65cca2488da8a1d479e2ef9745a27c7c2495f6c4
SHA256

51e2e890ac898a62cb6478414ac1079df55a036da252026d4f5c8f7f09e400b3
SHA512

c9129be7dcce8b5dd560e7c36d2177c7b5a6a88a41760db693b35d6b0e14d7293faead0c30a3386cd7be8238ac080a8aa59eff6d28a5269f492167a531e5f64f
SSDEEP

6144:zxanJ2WI0ahaqmvK4Cqwpu/e+gnoGpob9cAjkTfpYpPapkSd9ug7x8nInfxD6MR:z8nJ2WI0qaqmvK4Cq/hgoMWcAYTf+pPK

Score

10^/10

formbook mq3 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mq3

Decoy

clarksonassistivetech.com

sjzam6.com

designermarken-outlet.online

kampoengkurma.online

shamsmaltdrinks.com

d7r4u1.info

sportsboulder.com

snagabag31.com

am0rsexkreto.com

sj233.com

estaladores.online

icbjesusdenazaret.net

bobi-frs.net

steminvr.com

yoxi.ltd

aaronnational.com

charliezangelzagency.com

rolex218238.com

snacksejuice.com

educationgrants.site

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/1652-8-0x00000000006F0000-0x000000000071D000-memory.dmp	formbook
behavioral1/memory/1652-10-0x00000000006F0000-0x000000000071D000-memory.dmp	formbook

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	DHL Shipment Notification 5011586210.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	DHL Shipment Notification 5011586210.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 1228	1652	DHL Shipment Notification 5011586210.exe	21
PID 2748 set thread context of 1228	2748	wlanext.exe	21

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	DHL Shipment Notification 5011586210.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1652	DHL Shipment Notification 5011586210.exe
1652	DHL Shipment Notification 5011586210.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe
2748	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1652	DHL Shipment Notification 5011586210.exe
1652	DHL Shipment Notification 5011586210.exe
1652	DHL Shipment Notification 5011586210.exe
2748	wlanext.exe
2748	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	DHL Shipment Notification 5011586210.exe
Token: SeDebugPrivilege	2748	wlanext.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2748	1228	Explorer.EXE	30
PID 1228 wrote to memory of 2748	1228	Explorer.EXE	30
PID 1228 wrote to memory of 2748	1228	Explorer.EXE	30
PID 1228 wrote to memory of 2748	1228	Explorer.EXE	30
PID 2748 wrote to memory of 2644	2748	wlanext.exe	31
PID 2748 wrote to memory of 2644	2748	wlanext.exe	31
PID 2748 wrote to memory of 2644	2748	wlanext.exe	31
PID 2748 wrote to memory of 2644	2748	wlanext.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 5011586210.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 5011586210.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1652
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2748
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 5011586210.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

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/1228-9-0x0000000006770000-0x000000000686C000-memory.dmp

Filesize
1008KB

Download
memory/1228-16-0x0000000006770000-0x000000000686C000-memory.dmp

Filesize
1008KB

Download
memory/1228-14-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/1652-8-0x00000000006F0000-0x000000000071D000-memory.dmp

Filesize
180KB

Download
memory/1652-4-0x00000000005B0000-0x00000000005EA000-memory.dmp

Filesize
232KB

Download
memory/1652-5-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/1652-6-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-7-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-0-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/1652-10-0x00000000006F0000-0x000000000071D000-memory.dmp

Filesize
180KB

Download
memory/1652-3-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-13-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-2-0x00000000004F0000-0x000000000053A000-memory.dmp

Filesize
296KB

Download
memory/1652-1-0x0000000000DB0000-0x0000000000E10000-memory.dmp

Filesize
384KB

Download
memory/2748-12-0x00000000008B0000-0x00000000008C6000-memory.dmp

Filesize
88KB

Download
memory/2748-11-0x00000000008B0000-0x00000000008C6000-memory.dmp

Filesize
88KB

Download

Analysis

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