formbook | 06a3b752f015dcb8c15bb2e5612f06abc91ce3828de78fac0a2ac1a4b673abfb

General

Target

quote.exe
Size

1015KB
MD5

d239aa442968f1ecd78ec3fead79f1c5
SHA1

28d69f73c75a419ced1bed487f14ea09dab85b7a
SHA256

9701e87ea4beda798663d1e09569103cc9dcf517e2e9ad41d0f9304247cf2f1c
SHA512

c030f718b976b856d2aad62f9de5d7298139bd2dc718c796693007ec59af7d985ec1225a278715a224a2fde20421867f6d318acba4968854083e8085828b1395
SSDEEP

24576:BWzf2ryot2cyzmPLtEux5fXDj7RplYRIVcfc2:BWCMfG1xj1plYq9

Score

10^/10

formbook gbs discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gbs

Decoy

luxuryinstalls.com

thatszesty.com

distributed.team

cilaf.com

aspenonmain.com

clivehamiltonstone.com

alternadoresdelta.com

tortises.com

rivenguard.mobi

ileverageagency.com

etcglobaltrading.com

thetotalbusinesssolution.com

referralfromeap.com

influencermonk.com

shopartthekid.com

thestorycollectorinc.com

kichunclub.com

virginiaparent.com

comptoirsolis.com

wwwthenewyorktimes.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/4164-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4164-22-0x0000000000400000-0x000000000042E000-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	quote.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 4164	2316	quote.exe	99
PID 4164 set thread context of 3380	4164	quote.exe	56
PID 5036 set thread context of 3380	5036	msdt.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	quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2316	quote.exe
2316	quote.exe
2316	quote.exe
2316	quote.exe
4164	quote.exe
4164	quote.exe
4164	quote.exe
4164	quote.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe
5036	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4164	quote.exe
4164	quote.exe
4164	quote.exe
5036	msdt.exe
5036	msdt.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	quote.exe
Token: SeDebugPrivilege	4164	quote.exe
Token: SeDebugPrivilege	5036	msdt.exe
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1680	2316	quote.exe	97
PID 2316 wrote to memory of 1680	2316	quote.exe	97
PID 2316 wrote to memory of 1680	2316	quote.exe	97
PID 2316 wrote to memory of 4164	2316	quote.exe	99
PID 2316 wrote to memory of 4164	2316	quote.exe	99
PID 2316 wrote to memory of 4164	2316	quote.exe	99
PID 2316 wrote to memory of 4164	2316	quote.exe	99
PID 2316 wrote to memory of 4164	2316	quote.exe	99
PID 2316 wrote to memory of 4164	2316	quote.exe	99
PID 3380 wrote to memory of 5036	3380	Explorer.EXE	100
PID 3380 wrote to memory of 5036	3380	Explorer.EXE	100
PID 3380 wrote to memory of 5036	3380	Explorer.EXE	100
PID 5036 wrote to memory of 4116	5036	msdt.exe	101
PID 5036 wrote to memory of 4116	5036	msdt.exe	101
PID 5036 wrote to memory of 4116	5036	msdt.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\quote.exe
  "C:\Users\Admin\AppData\Local\Temp\quote.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:2316
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZaIDWzKCuyKIFR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC5C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1680
- - C:\Users\Admin\AppData\Local\Temp\quote.exe
    "C:\Users\Admin\AppData\Local\Temp\quote.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4164
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:5036
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\quote.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4116

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\tmpFC5C.tmp

Filesize
1KB

MD5
5e6002246f6ce331e2f87370b8d45b32

SHA1
cf764407f0219619e3bac09e143c9f7123d27399

SHA256
2ef3df755eebafb4bff14134c8462cfff53baa17cf678a60f498d88d6b853b01

SHA512
047daf5f4e29539b1f4121a4918b954c4d35164cfed100f9c31596058323156bf8152bdc3b48bb5ecc552de71a1b1542550cc36f380d8800293c027fe5b92a91

Download Submit
memory/2316-6-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/2316-19-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/2316-3-0x0000000005ED0000-0x0000000006474000-memory.dmp

Filesize
5.6MB

Download
memory/2316-5-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/2316-4-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/2316-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/2316-7-0x0000000005B70000-0x0000000005BC6000-memory.dmp

Filesize
344KB

Download
memory/2316-8-0x0000000005C70000-0x0000000005C7A000-memory.dmp

Filesize
40KB

Download
memory/2316-9-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/2316-10-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/2316-11-0x00000000014B0000-0x0000000001512000-memory.dmp

Filesize
392KB

Download
memory/2316-2-0x0000000005880000-0x000000000591C000-memory.dmp

Filesize
624KB

Download
memory/2316-1-0x0000000000A60000-0x0000000000B64000-memory.dmp

Filesize
1.0MB

Download
memory/3380-31-0x00000000083F0000-0x00000000084FF000-memory.dmp

Filesize
1.1MB

Download
memory/3380-24-0x0000000002C90000-0x0000000002D75000-memory.dmp

Filesize
916KB

Download
memory/3380-27-0x0000000002C90000-0x0000000002D75000-memory.dmp

Filesize
916KB

Download
memory/3380-32-0x00000000083F0000-0x00000000084FF000-memory.dmp

Filesize
1.1MB

Download
memory/3380-34-0x00000000083F0000-0x00000000084FF000-memory.dmp

Filesize
1.1MB

Download
memory/4164-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4164-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4164-23-0x00000000016E0000-0x00000000016F4000-memory.dmp

Filesize
80KB

Download
memory/4164-20-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/5036-25-0x0000000000330000-0x0000000000387000-memory.dmp

Filesize
348KB

Download
memory/5036-26-0x0000000000330000-0x0000000000387000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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