formbook | 1a5cd4e960a671ba4c2bc5584cce5a9f172dbfa6e6988eb56cd1c762adcc3dc6

General

Target

payment copy.exe
Size

622KB
MD5

b568ccb4efb2fec5d08b57b21738523a
SHA1

021fdf7117c2623b11a6914bbb7294e467993e57
SHA256

f6fba16427d82d11ca8da3b8b1ba0b47eb9719da38a44c9480ac73466e932edb
SHA512

af5374c7a417d66d548beb6caec78af4a217f1e6677afcc6936bb198100768e6a9a7f671095cf1e90a5c802c3bcaa36eaf699d92d7064390bcc6818d74dc09d1
SSDEEP

12288:l9FfLVUE06PTli+kt43t17lG2ejs0Od/fD1t/QJ1jSC:l9Ff1TwZ6D7l3ejs0OpL/QG

Score

10^/10

formbook r4gk discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

r4gk

Decoy

quantalix.com

animalblog-eggs.com

039skz.xyz

guttas.net

lasantadayparty.com

protegerfinanceservices.com

vixtest.xyz

digitaleconomy.global

0xpax.xyz

mobilehome1688.com

themotionpartners.com

valueney.com

hattuafhv.quest

js0061gj.net

360metaverse.biz

seculardata.com

346727688.xyz

smartmapom.com

moksel.com

exoduswatchco.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/748-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/748-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1012-27-0x0000000001210000-0x000000000123F000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	payment copy.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2588 set thread context of 748	2588	payment copy.exe	100
PID 748 set thread context of 3380	748	payment copy.exe	56
PID 1012 set thread context of 3380	1012	svchost.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	payment copy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
4136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

pid	Process
2588	payment copy.exe
2588	payment copy.exe
2588	payment copy.exe
2588	payment copy.exe
2588	payment copy.exe
2588	payment copy.exe
2588	payment copy.exe
748	payment copy.exe
748	payment copy.exe
748	payment copy.exe
748	payment copy.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
748	payment copy.exe
748	payment copy.exe
748	payment copy.exe
1012	svchost.exe
1012	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	payment copy.exe
Token: SeDebugPrivilege	748	payment copy.exe
Token: SeDebugPrivilege	1012	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4136	2588	payment copy.exe	98
PID 2588 wrote to memory of 4136	2588	payment copy.exe	98
PID 2588 wrote to memory of 4136	2588	payment copy.exe	98
PID 2588 wrote to memory of 748	2588	payment copy.exe	100
PID 2588 wrote to memory of 748	2588	payment copy.exe	100
PID 2588 wrote to memory of 748	2588	payment copy.exe	100
PID 2588 wrote to memory of 748	2588	payment copy.exe	100
PID 2588 wrote to memory of 748	2588	payment copy.exe	100
PID 2588 wrote to memory of 748	2588	payment copy.exe	100
PID 3380 wrote to memory of 1012	3380	Explorer.EXE	101
PID 3380 wrote to memory of 1012	3380	Explorer.EXE	101
PID 3380 wrote to memory of 1012	3380	Explorer.EXE	101
PID 1012 wrote to memory of 1212	1012	svchost.exe	102
PID 1012 wrote to memory of 1212	1012	svchost.exe	102
PID 1012 wrote to memory of 1212	1012	svchost.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\payment copy.exe
  "C:\Users\Admin\AppData\Local\Temp\payment copy.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:2588
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RlidvYYxmlfn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5455.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4136
- - C:\Users\Admin\AppData\Local\Temp\payment copy.exe
    "C:\Users\Admin\AppData\Local\Temp\payment copy.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:748
- 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:1012
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\payment copy.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1212

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

memory/748-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/748-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/748-22-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/748-19-0x0000000000FD0000-0x000000000131A000-memory.dmp

Filesize
3.3MB

Download
memory/1012-26-0x0000000000B00000-0x0000000000B0E000-memory.dmp

Filesize
56KB

Download
memory/1012-24-0x0000000000B00000-0x0000000000B0E000-memory.dmp

Filesize
56KB

Download
memory/1012-27-0x0000000001210000-0x000000000123F000-memory.dmp

Filesize
188KB

Download
memory/2588-9-0x0000000007870000-0x000000000790C000-memory.dmp

Filesize
624KB

Download
memory/2588-6-0x00000000051F0000-0x00000000051FC000-memory.dmp

Filesize
48KB

Download
memory/2588-5-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2588-10-0x0000000007910000-0x000000000796A000-memory.dmp

Filesize
360KB

Download
memory/2588-4-0x0000000004E20000-0x0000000004E2A000-memory.dmp

Filesize
40KB

Download
memory/2588-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/2588-18-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2588-2-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/2588-1-0x0000000000390000-0x0000000000432000-memory.dmp

Filesize
648KB

Download
memory/2588-8-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2588-7-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/2588-0-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/3380-23-0x0000000008CE0000-0x0000000008E62000-memory.dmp

Filesize
1.5MB

Download
memory/3380-28-0x0000000008CE0000-0x0000000008E62000-memory.dmp

Filesize
1.5MB

Download
memory/3380-32-0x0000000003180000-0x000000000325D000-memory.dmp

Filesize
884KB

Download
memory/3380-33-0x0000000003180000-0x000000000325D000-memory.dmp

Filesize
884KB

Download
memory/3380-35-0x0000000003180000-0x000000000325D000-memory.dmp

Filesize
884KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads