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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2856-16-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2856-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2856-24-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2996	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 2856	3008	quote.exe	33
PID 2856 set thread context of 1236	2856	quote.exe	21
PID 2856 set thread context of 1236	2856	quote.exe	21
PID 2884 set thread context of 1236	2884	svchost.exe	21

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	svchost.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
2908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3008	quote.exe
3008	quote.exe
3008	quote.exe
2856	quote.exe
2856	quote.exe
2856	quote.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe
2884	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2856	quote.exe
2856	quote.exe
2856	quote.exe
2856	quote.exe
2884	svchost.exe
2884	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	quote.exe
Token: SeDebugPrivilege	2856	quote.exe
Token: SeDebugPrivilege	2884	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2908	3008	quote.exe	31
PID 3008 wrote to memory of 2908	3008	quote.exe	31
PID 3008 wrote to memory of 2908	3008	quote.exe	31
PID 3008 wrote to memory of 2908	3008	quote.exe	31
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 3008 wrote to memory of 2856	3008	quote.exe	33
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	34
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	34
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	34
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	34
PID 2884 wrote to memory of 2996	2884	svchost.exe	35
PID 2884 wrote to memory of 2996	2884	svchost.exe	35
PID 2884 wrote to memory of 2996	2884	svchost.exe	35
PID 2884 wrote to memory of 2996	2884	svchost.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\quote.exe
  "C:\Users\Admin\AppData\Local\Temp\quote.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZaIDWzKCuyKIFR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2908
- - 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:2856
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\quote.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2996

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

System Information Discovery

1

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\tmpE6C6.tmp

Filesize
1KB

MD5
cdf7dcbd3a3b15899905096fd8ece4f5

SHA1
287088b4a6d86b6536b4d473e8177474dbeedfd8

SHA256
b6e8e4ad47fec4fc297a4ea33e9e526d4d32931c079e10865f23e818e512ed41

SHA512
688ff70af60a617dfa27d341b1a1d62e8d0536fea629e2ebaf29a2a4619c4a4fde5d07aac2d4a6f5b1b569050b932b2c790891768b885d0c065a36e9ad3ddb02

Download Submit
memory/1236-26-0x0000000005080000-0x0000000005170000-memory.dmp

Filesize
960KB

Download
memory/1236-30-0x0000000007070000-0x00000000071CD000-memory.dmp

Filesize
1.4MB

Download
memory/1236-22-0x0000000005080000-0x0000000005170000-memory.dmp

Filesize
960KB

Download
memory/1236-27-0x0000000007070000-0x00000000071CD000-memory.dmp

Filesize
1.4MB

Download
memory/2856-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2856-25-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2856-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2856-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2856-24-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2856-18-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2856-21-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/2856-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2884-29-0x0000000000200000-0x0000000000208000-memory.dmp

Filesize
32KB

Download
memory/2884-28-0x0000000000200000-0x0000000000208000-memory.dmp

Filesize
32KB

Download
memory/3008-6-0x0000000004A50000-0x0000000004AB2000-memory.dmp

Filesize
392KB

Download
memory/3008-17-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/3008-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/3008-3-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/3008-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-1-0x0000000001270000-0x0000000001374000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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