formbook | 3ee7a91560ab8b79b646bb8eeda565d50263e9218aebb65a3dda72121554f007

General

Target

SOR-0188-2022-E - Sea Orpheus.exe
Size

715KB
MD5

1963afa9192dbc64dcf0f05a09ca4a84
SHA1

07e68172cf7485b8921739037b3045742d6e87a5
SHA256

9a3a97e6801259fb5c604f364434f5c96c519dc979be88f69488a87e3b1fbd2d
SHA512

fa5a8e76864e081a7b29b7182ee1bc9a5a78f5904e3592a6c6e6027af32713e2bed4e832354e48b367e52a021c2a74823937883afa210c8cc82e2f67b0f369c7
SSDEEP

12288:tVF75e1ZuqRhf5O5zOJf2t51Yy8rZGGWvC0DsD88WV+kOGq+b6e6/U:tVZ52ZB7xOFEDy8r0Ru8LjBf

Score

10^/10

formbook xloader 6hsc discovery loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

6hsc

Decoy

6cvqXARAGlgdnnbXYQ==

Mi4yZ8FULou6w26U2FDnEbA=

Xmx0bJmRZGL+O0RFfLFNN9AMdwn+

B0WNhyl4T2gWBIqE1VDnEbA=

DI2G9/sG/v6YIh42aQ==

0NTaAl90ZWYiGV/bT4U=

DWCuXrL23Cc3xdIG/0dT

fTbzys/dddqOVQ==

8ClrDFi3i+asgxBOnguhlQ==

YjOkWLSpXeqrXw==

gAIov8vbtv8vr8/tFSXvDULL7thokKA=

xMW2qsXay7xNkonR/zxPo939

xc38fRlgO2opnnbXYQ==

+o31vQlURJKmLUWfHlMq0Gjs

z6GwWxCSKJLJ

2pnQ5evpehAxUt4hd6pq9X71

2CmXDSU2DTmDR+Q=

WV9ScxFQID1V2glQnguhlQ==

L8UDlK65h9wJ7Zeb3VDnEbA=

Agb4LF2bRcDX

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3860-14-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/3860-19-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/2820-24-0x0000000000A90000-0x0000000000ABD000-memory.dmp	xloader

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	SOR-0188-2022-E - Sea Orpheus.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3860 set thread context of 3568	3860	SOR-0188-2022-E - Sea Orpheus.exe	56
PID 2820 set thread context of 3568	2820	msdt.exe	56

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	SOR-0188-2022-E - Sea Orpheus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
3860	SOR-0188-2022-E - Sea Orpheus.exe
3860	SOR-0188-2022-E - Sea Orpheus.exe
3860	SOR-0188-2022-E - Sea Orpheus.exe
3860	SOR-0188-2022-E - Sea Orpheus.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe
2820	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3860	SOR-0188-2022-E - Sea Orpheus.exe
3860	SOR-0188-2022-E - Sea Orpheus.exe
3860	SOR-0188-2022-E - Sea Orpheus.exe
2820	msdt.exe
2820	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3860	SOR-0188-2022-E - Sea Orpheus.exe
Token: SeDebugPrivilege	2820	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3020 wrote to memory of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3020 wrote to memory of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3020 wrote to memory of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3020 wrote to memory of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3020 wrote to memory of 3860	3020	SOR-0188-2022-E - Sea Orpheus.exe	98
PID 3568 wrote to memory of 2820	3568	Explorer.EXE	99
PID 3568 wrote to memory of 2820	3568	Explorer.EXE	99
PID 3568 wrote to memory of 2820	3568	Explorer.EXE	99
PID 2820 wrote to memory of 4596	2820	msdt.exe	101
PID 2820 wrote to memory of 4596	2820	msdt.exe	101
PID 2820 wrote to memory of 4596	2820	msdt.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\SOR-0188-2022-E - Sea Orpheus.exe
  "C:\Users\Admin\AppData\Local\Temp\SOR-0188-2022-E - Sea Orpheus.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Users\Admin\AppData\Local\Temp\SOR-0188-2022-E - Sea Orpheus.exe
    "C:\Users\Admin\AppData\Local\Temp\SOR-0188-2022-E - Sea Orpheus.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3860
- 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:2820
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\SOR-0188-2022-E - Sea Orpheus.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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/2820-22-0x0000000000B40000-0x0000000000B97000-memory.dmp

Filesize
348KB

Download
memory/2820-24-0x0000000000A90000-0x0000000000ABD000-memory.dmp

Filesize
180KB

Download
memory/2820-23-0x0000000000B40000-0x0000000000B97000-memory.dmp

Filesize
348KB

Download
memory/3020-12-0x00000000082C0000-0x0000000008326000-memory.dmp

Filesize
408KB

Download
memory/3020-10-0x0000000008080000-0x000000000810E000-memory.dmp

Filesize
568KB

Download
memory/3020-5-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/3020-6-0x0000000005FF0000-0x0000000006008000-memory.dmp

Filesize
96KB

Download
memory/3020-7-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/3020-8-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3020-9-0x00000000058B0000-0x00000000058BC000-memory.dmp

Filesize
48KB

Download
memory/3020-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3020-11-0x00000000081B0000-0x000000000824C000-memory.dmp

Filesize
624KB

Download
memory/3020-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/3020-13-0x0000000008120000-0x0000000008152000-memory.dmp

Filesize
200KB

Download
memory/3020-1-0x0000000000930000-0x00000000009E8000-memory.dmp

Filesize
736KB

Download
memory/3020-16-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3020-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/3020-3-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/3568-21-0x0000000002920000-0x0000000002A81000-memory.dmp

Filesize
1.4MB

Download
memory/3568-25-0x0000000002920000-0x0000000002A81000-memory.dmp

Filesize
1.4MB

Download
memory/3568-29-0x0000000007210000-0x00000000072CF000-memory.dmp

Filesize
764KB

Download
memory/3568-30-0x0000000007210000-0x00000000072CF000-memory.dmp

Filesize
764KB

Download
memory/3860-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3860-20-0x0000000001090000-0x00000000010A1000-memory.dmp

Filesize
68KB

Download
memory/3860-17-0x0000000001180000-0x00000000014CA000-memory.dmp

Filesize
3.3MB

Download
memory/3860-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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