formbook | 2f954a9ae45e4a7a0a1131f5ca55cd20da04b1416276897377e9490c428f691a

General

Target

scm928192.exe
Size

237KB
MD5

ea2aaf3a9a00cab64376035e9291c7cc
SHA1

28683f918a9c4195ff93ca2027642949444770c0
SHA256

7bd662ff22dd43bb8e23046925d83ae5125824776c6b4209cc50417205c91e6c
SHA512

aa50e615fb57b3ce1963b8cbdf1b561c15f72bef210e4f80e4854a98ecd4915c32636b139637c0d36b4b00e1cfbdd57418b5e2891916fb1ccc2d5ba167b4ca1d

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.dopiel.com/s0ps/

Decoy

vexura.com

xnl.xyz

lumpen.party

ourdatajourney.com

globalprofessionalsummit.com

wellnesspasssite.com

lafronteraradio.com

voterchallengeva.com

campanatv.com

militarychiro.com

cowbex.info

mosquitosolutionsalpha.com

healthykala.com

xmsealite.com

xn--ock1cjz.com

advocate-quota.com

karecfo.com

vettedwealthmanagement.com

everlein.com

lashundaclaiborn.com

Signatures

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

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1456-5-0x0000000001480000-0x00000000014BA000-memory.dmp	xloader
behavioral2/memory/1456-6-0x00000000014C0000-0x00000000014E9000-memory.dmp	xloader
behavioral2/memory/2932-12-0x000000000041D000-mapping.dmp	xloader
behavioral2/memory/2932-11-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2200-21-0x0000000004E60000-0x0000000004E88000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

scm928192.exesvchost.exechkdsk.exe

description	pid	process	target process
PID 1456 set thread context of 2932	1456	scm928192.exe	svchost.exe
PID 2932 set thread context of 3024	2932	svchost.exe	Explorer.EXE
PID 2200 set thread context of 3024	2200	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

scm928192.exesvchost.exechkdsk.exe

pid	process
1456	scm928192.exe
1456	scm928192.exe
2932	svchost.exe
2932	svchost.exe
2932	svchost.exe
2932	svchost.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe
2200	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

svchost.exechkdsk.exe

pid process

2932 svchost.exe
2932 svchost.exe
2932 svchost.exe
2200 chkdsk.exe
2200 chkdsk.exe

pid	process
2932	svchost.exe
2932	svchost.exe
2932	svchost.exe
2200	chkdsk.exe
2200	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

scm928192.exesvchost.exeExplorer.EXEchkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1456	scm928192.exe
Token: SeDebugPrivilege	2932	svchost.exe
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeDebugPrivilege	2200	chkdsk.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE

pid	process
3024	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

scm928192.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1456 wrote to memory of 364	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 364	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 364	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 2932	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 2932	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 2932	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 2932	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 2932	1456	scm928192.exe	svchost.exe
PID 1456 wrote to memory of 2932	1456	scm928192.exe	svchost.exe
PID 3024 wrote to memory of 2200	3024	Explorer.EXE	chkdsk.exe
PID 3024 wrote to memory of 2200	3024	Explorer.EXE	chkdsk.exe
PID 3024 wrote to memory of 2200	3024	Explorer.EXE	chkdsk.exe
PID 2200 wrote to memory of 1316	2200	chkdsk.exe	cmd.exe
PID 2200 wrote to memory of 1316	2200	chkdsk.exe	cmd.exe
PID 2200 wrote to memory of 1316	2200	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\scm928192.exe
  "C:\Users\Admin\AppData\Local\Temp\scm928192.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWow64\svchost.exe
    "C:\\Windows\\SysWow64\\svchost.exe"
    3⤵
    PID:364
- - C:\Windows\SysWow64\svchost.exe
    "C:\\Windows\\SysWow64\\svchost.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2932
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWow64\svchost.exe"
    3⤵
    PID:1316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1316-19-0x0000000000000000-mapping.dmp

Download
memory/1456-2-0x00007FFB59970000-0x00007FFB5A35C000-memory.dmp

Filesize
9.9MB

Download
memory/1456-3-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/1456-5-0x0000000001480000-0x00000000014BA000-memory.dmp

Filesize
232KB

Download
memory/1456-6-0x00000000014C0000-0x00000000014E9000-memory.dmp

Filesize
164KB

Download
memory/1456-7-0x000000001C710000-0x000000001C712000-memory.dmp

Filesize
8KB

Download
memory/1456-8-0x00000000014C0000-0x00000000014D2000-memory.dmp

Filesize
72KB

Download
memory/1456-9-0x00000000012A0000-0x00000000012A1000-memory.dmp

Filesize
4KB

Download
memory/2200-18-0x0000000000000000-mapping.dmp

Download
memory/2200-20-0x0000000000890000-0x000000000089A000-memory.dmp

Filesize
40KB

Download
memory/2200-21-0x0000000004E60000-0x0000000004E88000-memory.dmp

Filesize
160KB

Download
memory/2200-22-0x0000000005430000-0x0000000005750000-memory.dmp

Filesize
3.1MB

Download
memory/2200-23-0x0000000005180000-0x000000000520F000-memory.dmp

Filesize
572KB

Download
memory/2932-15-0x0000000003990000-0x0000000003CB0000-memory.dmp

Filesize
3.1MB

Download
memory/2932-16-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/2932-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2932-12-0x000000000041D000-mapping.dmp

Download
memory/3024-17-0x0000000006210000-0x0000000006397000-memory.dmp

Filesize
1.5MB

Download
memory/3024-24-0x00000000063A0000-0x00000000064E7000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads