formbook | 55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75

General

Target

soa.exe
Size

525KB
MD5

93d8f2525be4725c994a7709cb2e3485
SHA1

17eb478f73c8fbfcae342a3039343c2b3575ab99
SHA256

55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75
SHA512

76066fea9d90775bfd5d6b03ed078b21e9cb775090ce3c8f4cc879e1c25ab987878b7252d2fa3e6fe0b1826252d7152ab82719219b1a2d8261b1da03d409d48c

Score

10^/10

formbook xloader gfv7 loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

gfv7

Decoy

hd4AZDZ3XeSkZ9w0NRn2+JU=

6iAxmGKdumxFEgwp

jM6QcxNUSeCKaUdvvh3g9mffhosQ

d4CC0LS0DjTJS8FdXqd3soM=

S1LPlXEIJY52Og==

doeO7AimsF0NEvFgnIV5

W2TlzH/byHtUU3B7tw==

Y2RAbyZjex2qj6GQv4Q=

ftoOsCpZdfmALQ==

4kqL8v/6rDj8Ohs/wAjkb0gD5Gfiww==

8mVs/AkvwLnIWp4=

yfqAazgHioT8b9yHSKpLDtgY

EyWD5F+Wu3L0xq/VJXgdlnFvBDdUz5WM

jn9ty+pdRNdtcDhJ5k8nwZofm4EJ

s9XVNv4/aRDBUx4w

+vHFE7Fw1rnIWp4=

wC395Yvi6G/3yoWRGW1USxzshi3Dyw==

jcbufIN91gHAUK1RYUMYIdyqpDlUz5WM

iIyoIvZNXwPNmBlBxGk6+A==

C/hTD8h/KWLiMW4Mt/joXyz23Q==

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1348-137-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/1348-139-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/488-145-0x00000000003C0000-0x00000000003EC000-memory.dmp	xloader
behavioral2/memory/488-148-0x00000000003C0000-0x00000000003EC000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

cscript.exe

flow pid process

62 488 cscript.exe
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

Processes:

soa.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation soa.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
62	488	cscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	soa.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ZRNXY6T8 = "C:\\Program Files (x86)\\Ixrzxwldx\\1bzlnm6qlurf.exe"	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

soa.exesoa.execscript.exe

description	pid	process	target process
PID 1460 set thread context of 1348	1460	soa.exe	soa.exe
PID 1348 set thread context of 1504	1348	soa.exe	Explorer.EXE
PID 488 set thread context of 1504	488	cscript.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cscript.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ixrzxwldx\1bzlnm6qlurf.exe cscript.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ixrzxwldx\1bzlnm6qlurf.exe	cscript.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

soa.exesoa.execscript.exe

pid	process
1460	soa.exe
1460	soa.exe
1348	soa.exe
1348	soa.exe
1348	soa.exe
1348	soa.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1504 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

soa.execscript.exe

pid process

1348 soa.exe
1348 soa.exe
1348 soa.exe
488 cscript.exe
488 cscript.exe
488 cscript.exe
488 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

soa.exesoa.execscript.exe

description pid process

Token: SeDebugPrivilege 1460 soa.exe
Token: SeDebugPrivilege 1348 soa.exe
Token: SeDebugPrivilege 488 cscript.exe

pid	process
1504	Explorer.EXE

pid	process
1348	soa.exe
1348	soa.exe
1348	soa.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe
488	cscript.exe

description	pid	process
Token: SeDebugPrivilege	1460	soa.exe
Token: SeDebugPrivilege	1348	soa.exe
Token: SeDebugPrivilege	488	cscript.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

soa.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1460 wrote to memory of 3836	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 3836	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 3836	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 1348	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 1348	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 1348	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 1348	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 1348	1460	soa.exe	soa.exe
PID 1460 wrote to memory of 1348	1460	soa.exe	soa.exe
PID 1504 wrote to memory of 488	1504	Explorer.EXE	cscript.exe
PID 1504 wrote to memory of 488	1504	Explorer.EXE	cscript.exe
PID 1504 wrote to memory of 488	1504	Explorer.EXE	cscript.exe
PID 488 wrote to memory of 640	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 640	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 640	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 1508	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 1508	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 1508	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 3508	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 3508	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 3508	488	cscript.exe	cmd.exe
PID 488 wrote to memory of 3668	488	cscript.exe	Firefox.exe
PID 488 wrote to memory of 3668	488	cscript.exe	Firefox.exe
PID 488 wrote to memory of 3668	488	cscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Admin\AppData\Local\Temp\soa.exe
"C:\Users\Admin\AppData\Local\Temp\soa.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1460

C:\Users\Admin\AppData\Local\Temp\soa.exe
"{path}"
3⤵
PID:3836

C:\Users\Admin\AppData\Local\Temp\soa.exe
"{path}"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1348

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\soa.exe"
3⤵
PID:640

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1508

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3508

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

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memory/488-149-0x00000000025F0000-0x0000000002680000-memory.dmp

Filesize
576KB

Download
memory/488-143-0x0000000000000000-mapping.dmp

Download
memory/488-145-0x00000000003C0000-0x00000000003EC000-memory.dmp

Filesize
176KB

Download
memory/488-148-0x00000000003C0000-0x00000000003EC000-memory.dmp

Filesize
176KB

Download
memory/488-144-0x0000000000300000-0x0000000000327000-memory.dmp

Filesize
156KB

Download
memory/488-147-0x0000000002730000-0x0000000002A7A000-memory.dmp

Filesize
3.3MB

Download
memory/640-146-0x0000000000000000-mapping.dmp

Download
memory/1348-141-0x00000000019B0000-0x00000000019C1000-memory.dmp

Filesize
68KB

Download
memory/1348-136-0x0000000000000000-mapping.dmp

Download
memory/1348-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1348-139-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1348-140-0x0000000001A30000-0x0000000001D7A000-memory.dmp

Filesize
3.3MB

Download
memory/1460-131-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/1460-133-0x00000000057D0000-0x000000000586C000-memory.dmp

Filesize
624KB

Download
memory/1460-134-0x00000000056C0000-0x00000000056CA000-memory.dmp

Filesize
40KB

Download
memory/1460-130-0x0000000000C80000-0x0000000000D0A000-memory.dmp

Filesize
552KB

Download
memory/1460-132-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/1504-142-0x0000000007C90000-0x0000000007D92000-memory.dmp

Filesize
1.0MB

Download
memory/1504-150-0x0000000002580000-0x0000000002615000-memory.dmp

Filesize
596KB

Download
memory/1504-151-0x0000000002580000-0x0000000002615000-memory.dmp

Filesize
596KB

Download
memory/1508-152-0x0000000000000000-mapping.dmp

Download
memory/3508-154-0x0000000000000000-mapping.dmp

Download
memory/3836-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads