formbook | 4863509ff407e4a6389305b5555bc804aa5df9b67290feeb1e36bf68f40696e1

General

Target

Scan SOA.exe
Size

500KB
MD5

e69167de6d19a41819f25de01cd10aef
SHA1

c302c06e1cb00e72013b0671ba0db1a541673289
SHA256

4863509ff407e4a6389305b5555bc804aa5df9b67290feeb1e36bf68f40696e1
SHA512

73ec2711e5c3076fee07a03db0289887946a66d3f6656ece5a12db6ad672424368a6e9b5feb339b97a8cec63bf3869b8062f90335fb58e99a9894ef0afa742e1

Score

10^/10

formbook xloader nmd2 loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nmd2

Decoy

FNWENUOMqqSv0Q==

ls6DEbQ1KBCeSsvUyRg=

mwgrjwpFplaykGoT

Uzzj8yXi13iLMnNGZcnViQliwA==

T7vzj0l0lqquyA==

csHzBjwvF7rmjcmWxjThd61NuuVl4gQ=

YaXyTwg3p1vrf/n9kYJQjrc=

cHAfFEI1JKDF4mTsGjDbeg==

TdDv+o9VSFep3wgTtY0swqQ=

Jw66vdyXdRZG9jJZycLD

icGvsuKZgXNid1M=

6m6H0GvguY+vZZpcioudbQ==

kNUBYMuymhgm2b0q3bEAiQliwA==

M3SiAXRbVe0XAsxDOIp6cg==

+eWLk+HjRRe3LuyavQ==

753R3QYD8XOWtWI0ouGpYw==

dRg+bQZ6TSbC8Sbs2mXXxLM=

kDlUsE+U7Y/RfUQ=

oENlcFZVqqSv0Q==

HCC+nbachxEs1f29GjDbeg==

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/4980-136-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4980-142-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/1276-146-0x0000000000E40000-0x0000000000E6C000-memory.dmp	xloader
behavioral2/memory/1276-149-0x0000000000E40000-0x0000000000E6C000-memory.dmp	xloader

Adds policy 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\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\8P6HZLU8VJ0 = "C:\\Program Files (x86)\\Xyjohmpvx\\m66hz6lmpldh.exe"	cscript.exe

Blocklisted process makes network request 1 IoCs

Processes:

cscript.exe

flow pid process

73 1276 cscript.exe

flow	pid	process
73	1276	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:

Scan SOA.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

Scan SOA.exeScan SOA.execscript.exe

description	pid	process	target process
PID 4416 set thread context of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 4980 set thread context of 2812	4980	Scan SOA.exe	Explorer.EXE
PID 1276 set thread context of 2812	1276	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)\Xyjohmpvx\m66hz6lmpldh.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)\Xyjohmpvx\m66hz6lmpldh.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 46 IoCs

Processes:

Scan SOA.execscript.exe

pid	process
4980	Scan SOA.exe
4980	Scan SOA.exe
4980	Scan SOA.exe
4980	Scan SOA.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe
1276	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2812 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Scan SOA.execscript.exe

pid process

4980 Scan SOA.exe
4980 Scan SOA.exe
4980 Scan SOA.exe
1276 cscript.exe
1276 cscript.exe
1276 cscript.exe
1276 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scan SOA.execscript.exe

description pid process

Token: SeDebugPrivilege 4980 Scan SOA.exe
Token: SeDebugPrivilege 1276 cscript.exe

pid	process
2812	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4980	Scan SOA.exe
Token: SeDebugPrivilege	1276	cscript.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Scan SOA.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 4416 wrote to memory of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 4416 wrote to memory of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 4416 wrote to memory of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 4416 wrote to memory of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 4416 wrote to memory of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 4416 wrote to memory of 4980	4416	Scan SOA.exe	Scan SOA.exe
PID 2812 wrote to memory of 1276	2812	Explorer.EXE	cscript.exe
PID 2812 wrote to memory of 1276	2812	Explorer.EXE	cscript.exe
PID 2812 wrote to memory of 1276	2812	Explorer.EXE	cscript.exe
PID 1276 wrote to memory of 3252	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 3252	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 3252	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 4700	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 4700	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 4700	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 1440	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 1440	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 1440	1276	cscript.exe	cmd.exe
PID 1276 wrote to memory of 3676	1276	cscript.exe	Firefox.exe
PID 1276 wrote to memory of 3676	1276	cscript.exe	Firefox.exe
PID 1276 wrote to memory of 3676	1276	cscript.exe	Firefox.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

cscript.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer cscript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	cscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2812

C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe
"C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4416

C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe
"{path}"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4980

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Adds policy Run key to start application
- Blocklisted process makes network request
- 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
- System policy modification
PID:1276

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe"
3⤵
PID:3252

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:4700

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:1440

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3676

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

3

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

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

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

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memory/1276-144-0x0000000000EE0000-0x0000000000F07000-memory.dmp

Filesize
156KB

Download
memory/1276-149-0x0000000000E40000-0x0000000000E6C000-memory.dmp

Filesize
176KB

Download
memory/1276-147-0x0000000003090000-0x0000000003120000-memory.dmp

Filesize
576KB

Download
memory/1276-146-0x0000000000E40000-0x0000000000E6C000-memory.dmp

Filesize
176KB

Download
memory/1276-141-0x0000000000000000-mapping.dmp

Download
memory/1276-145-0x0000000003260000-0x00000000035AA000-memory.dmp

Filesize
3.3MB

Download
memory/1440-153-0x0000000000000000-mapping.dmp

Download
memory/2812-150-0x00000000084D0000-0x00000000085BD000-memory.dmp

Filesize
948KB

Download
memory/2812-148-0x00000000084D0000-0x00000000085BD000-memory.dmp

Filesize
948KB

Download
memory/2812-140-0x0000000008320000-0x00000000084C1000-memory.dmp

Filesize
1.6MB

Download
memory/3252-143-0x0000000000000000-mapping.dmp

Download
memory/4416-130-0x0000000000FB0000-0x0000000001034000-memory.dmp

Filesize
528KB

Download
memory/4416-134-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

Filesize
40KB

Download
memory/4416-133-0x0000000005B30000-0x0000000005BCC000-memory.dmp

Filesize
624KB

Download
memory/4416-132-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/4416-131-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/4700-151-0x0000000000000000-mapping.dmp

Download
memory/4980-142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4980-139-0x00000000005E0000-0x00000000005F1000-memory.dmp

Filesize
68KB

Download
memory/4980-137-0x00000000010A0000-0x00000000013EA000-memory.dmp

Filesize
3.3MB

Download
memory/4980-136-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4980-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads