formbook | 151572bec6e274bad481a8c0736a4888931c086f3fdf890be9811eae7c0c0c36

General

Target

PO#101581.exe
Size

869KB
MD5

95f35b3fb58633c97069fe1bc12f39f5
SHA1

e1ee2cf79953cc0f472c9b3af9fcc389a5bc492d
SHA256

151572bec6e274bad481a8c0736a4888931c086f3fdf890be9811eae7c0c0c36
SHA512

358656d5e219d138a56e25f54b890a98062b5539db4da25685e659276ecfafa68c00ffa83383dac8d35cfe6270eec87da8b306a61a125128869e61ffb934d050

Score

10^/10

formbook xloader ssmm loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

ssmm

Decoy

bhealthybu.com

formasyonlar.com

huddleadvising.com

iroofer.net

pokerisparadise.com

partnrsocial.com

omnixinity.com

sandibet.biz

xxxpool.xyz

mainsuranceagency.com

filipkaarrtofffers.online

txgongsi.com

bonasuplementos.com

sxp89app.space

grandeurjewelryph.com

productsorcerer.com

mrussellhandyman.com

igorstelea.com

cateraevents.com

yashaswistudio.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
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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5100-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/216-144-0x0000000000500000-0x000000000052B000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

nzw0efzdxo8f.exe

pid process

1948 nzw0efzdxo8f.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

pid	process
1948	nzw0efzdxo8f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\OVRHJLSPPD = "C:\\Program Files (x86)\\O_vj8j4\\nzw0efzdxo8f.exe"	NETSTAT.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO#101581.exePO#101581.exeNETSTAT.EXE

description	pid	process	target process
PID 3076 set thread context of 5100	3076	PO#101581.exe	PO#101581.exe
PID 5100 set thread context of 1124	5100	PO#101581.exe	Explorer.EXE
PID 216 set thread context of 1124	216	NETSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXENETSTAT.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe	NETSTAT.EXE
File opened for modification	C:\Program Files (x86)\O_vj8j4	Explorer.EXE
File created	C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

216 NETSTAT.EXE

pid	process
216	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

PO#101581.exeNETSTAT.EXE

pid	process
5100	PO#101581.exe
5100	PO#101581.exe
5100	PO#101581.exe
5100	PO#101581.exe
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE
216	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1124 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

PO#101581.exeNETSTAT.EXE

pid process

5100 PO#101581.exe
5100 PO#101581.exe
5100 PO#101581.exe
216 NETSTAT.EXE
216 NETSTAT.EXE
216 NETSTAT.EXE
216 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#101581.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 5100 PO#101581.exe
Token: SeDebugPrivilege 216 NETSTAT.EXE

pid	process
1124	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	5100	PO#101581.exe
Token: SeDebugPrivilege	216	NETSTAT.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PO#101581.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 3076 wrote to memory of 5100	3076	PO#101581.exe	PO#101581.exe
PID 3076 wrote to memory of 5100	3076	PO#101581.exe	PO#101581.exe
PID 3076 wrote to memory of 5100	3076	PO#101581.exe	PO#101581.exe
PID 3076 wrote to memory of 5100	3076	PO#101581.exe	PO#101581.exe
PID 3076 wrote to memory of 5100	3076	PO#101581.exe	PO#101581.exe
PID 3076 wrote to memory of 5100	3076	PO#101581.exe	PO#101581.exe
PID 1124 wrote to memory of 216	1124	Explorer.EXE	NETSTAT.EXE
PID 1124 wrote to memory of 216	1124	Explorer.EXE	NETSTAT.EXE
PID 1124 wrote to memory of 216	1124	Explorer.EXE	NETSTAT.EXE
PID 216 wrote to memory of 1140	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 1140	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 1140	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 3540	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 3540	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 3540	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 4720	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 4720	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 4720	216	NETSTAT.EXE	cmd.exe
PID 216 wrote to memory of 1684	216	NETSTAT.EXE	Firefox.exe
PID 216 wrote to memory of 1684	216	NETSTAT.EXE	Firefox.exe
PID 216 wrote to memory of 1684	216	NETSTAT.EXE	Firefox.exe
PID 1124 wrote to memory of 1948	1124	Explorer.EXE	nzw0efzdxo8f.exe
PID 1124 wrote to memory of 1948	1124	Explorer.EXE	nzw0efzdxo8f.exe
PID 1124 wrote to memory of 1948	1124	Explorer.EXE	nzw0efzdxo8f.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Local\Temp\PO#101581.exe
"C:\Users\Admin\AppData\Local\Temp\PO#101581.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3076

C:\Users\Admin\AppData\Local\Temp\PO#101581.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5100

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO#101581.exe"
3⤵
PID:1140

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:3540

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:4720

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1684

C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe
"C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe"
2⤵
- Executes dropped EXE
PID:1948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe
Filesize
869KB

MD5
95f35b3fb58633c97069fe1bc12f39f5

SHA1
e1ee2cf79953cc0f472c9b3af9fcc389a5bc492d

SHA256
151572bec6e274bad481a8c0736a4888931c086f3fdf890be9811eae7c0c0c36

SHA512
358656d5e219d138a56e25f54b890a98062b5539db4da25685e659276ecfafa68c00ffa83383dac8d35cfe6270eec87da8b306a61a125128869e61ffb934d050

Download Submit
C:\Program Files (x86)\O_vj8j4\nzw0efzdxo8f.exe
Filesize
869KB

MD5
95f35b3fb58633c97069fe1bc12f39f5

SHA1
e1ee2cf79953cc0f472c9b3af9fcc389a5bc492d

SHA256
151572bec6e274bad481a8c0736a4888931c086f3fdf890be9811eae7c0c0c36

SHA512
358656d5e219d138a56e25f54b890a98062b5539db4da25685e659276ecfafa68c00ffa83383dac8d35cfe6270eec87da8b306a61a125128869e61ffb934d050

Download Submit
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

Download Submit
memory/216-144-0x0000000000500000-0x000000000052B000-memory.dmp

Filesize
172KB

Download
memory/216-141-0x0000000000000000-mapping.dmp

Download
memory/216-146-0x0000000000BA0000-0x0000000000C30000-memory.dmp

Filesize
576KB

Download
memory/216-145-0x0000000000D70000-0x00000000010BA000-memory.dmp

Filesize
3.3MB

Download
memory/216-143-0x0000000000640000-0x000000000064B000-memory.dmp

Filesize
44KB

Download
memory/1124-140-0x0000000007EC0000-0x0000000008009000-memory.dmp

Filesize
1.3MB

Download
memory/1124-147-0x0000000008AC0000-0x0000000008C45000-memory.dmp

Filesize
1.5MB

Download
memory/1140-142-0x0000000000000000-mapping.dmp

Download
memory/1948-152-0x0000000000000000-mapping.dmp

Download
memory/3076-133-0x0000000005A40000-0x0000000005ADC000-memory.dmp

Filesize
624KB

Download
memory/3076-130-0x0000000000E00000-0x0000000000EE0000-memory.dmp

Filesize
896KB

Download
memory/3076-131-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/3076-132-0x0000000005880000-0x0000000005912000-memory.dmp

Filesize
584KB

Download
memory/3076-134-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/3540-148-0x0000000000000000-mapping.dmp

Download
memory/4720-150-0x0000000000000000-mapping.dmp

Download
memory/5100-135-0x0000000000000000-mapping.dmp

Download
memory/5100-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5100-138-0x0000000001150000-0x000000000149A000-memory.dmp

Filesize
3.3MB

Download
memory/5100-139-0x00000000010F0000-0x0000000001101000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads