formbook | 6d003f8b8a3fae48fbf08e80fadccccd9952de2c3c4b6b5d2c96f47ec26cc6aa

General

Target

SOA.exe
Size

872KB
MD5

a3279da350cf134f736629e5e55c0a41
SHA1

d28cc3a2cc3e16cf38634cab8db41aacebf4709b
SHA256

fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581
SHA512

248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

Score

10^/10

formbook xloader c2ue loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/972-60-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/972-61-0x000000000041D3A0-mapping.dmp	xloader
behavioral1/memory/836-68-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/1768-88-0x000000000041D3A0-mapping.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NAPSTAT.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NAPSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\-ZH8KLGP4FB = "C:\\Program Files (x86)\\Nolct\\updatebdf.exe"	NAPSTAT.EXE

Executes dropped EXE 2 IoCs

Processes:

updatebdf.exeupdatebdf.exe

pid process

1460 updatebdf.exe
1768 updatebdf.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

332 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

updatebdf.exe

pid process

1460 updatebdf.exe

pid	process
1460	updatebdf.exe
1768	updatebdf.exe

pid	process
332	cmd.exe

pid	process
1460	updatebdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SOA.exeSOA.exeNAPSTAT.EXEupdatebdf.exe

description	pid	process	target process
PID 1424 set thread context of 972	1424	SOA.exe	SOA.exe
PID 972 set thread context of 1428	972	SOA.exe	Explorer.EXE
PID 836 set thread context of 1428	836	NAPSTAT.EXE	Explorer.EXE
PID 1460 set thread context of 1768	1460	updatebdf.exe	updatebdf.exe

Drops file in Program Files directory 2 IoCs

Processes:

NAPSTAT.EXEExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Nolct\updatebdf.exe	NAPSTAT.EXE
File created	C:\Program Files (x86)\Nolct\updatebdf.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NAPSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-3456797065-1076791440-4146276586-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 53 IoCs

Processes:

SOA.exeNAPSTAT.EXEupdatebdf.exe

pid	process
972	SOA.exe
972	SOA.exe
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
1768	updatebdf.exe
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE
836	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SOA.exeNAPSTAT.EXE

pid process

972 SOA.exe
972 SOA.exe
972 SOA.exe
836 NAPSTAT.EXE
836 NAPSTAT.EXE
836 NAPSTAT.EXE
836 NAPSTAT.EXE

pid	process
1428	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SOA.exeNAPSTAT.EXEupdatebdf.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	972	SOA.exe
Token: SeDebugPrivilege	836	NAPSTAT.EXE
Token: SeDebugPrivilege	1768	updatebdf.exe
Token: SeShutdownPrivilege	1428	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
1428 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
1428 Explorer.EXE

pid	process
1428	Explorer.EXE
1428	Explorer.EXE

pid	process
1428	Explorer.EXE
1428	Explorer.EXE

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

SOA.exeExplorer.EXENAPSTAT.EXEupdatebdf.exe

description	pid	process	target process
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1424 wrote to memory of 972	1424	SOA.exe	SOA.exe
PID 1428 wrote to memory of 836	1428	Explorer.EXE	NAPSTAT.EXE
PID 1428 wrote to memory of 836	1428	Explorer.EXE	NAPSTAT.EXE
PID 1428 wrote to memory of 836	1428	Explorer.EXE	NAPSTAT.EXE
PID 1428 wrote to memory of 836	1428	Explorer.EXE	NAPSTAT.EXE
PID 836 wrote to memory of 332	836	NAPSTAT.EXE	cmd.exe
PID 836 wrote to memory of 332	836	NAPSTAT.EXE	cmd.exe
PID 836 wrote to memory of 332	836	NAPSTAT.EXE	cmd.exe
PID 836 wrote to memory of 332	836	NAPSTAT.EXE	cmd.exe
PID 836 wrote to memory of 1276	836	NAPSTAT.EXE	Firefox.exe
PID 836 wrote to memory of 1276	836	NAPSTAT.EXE	Firefox.exe
PID 836 wrote to memory of 1276	836	NAPSTAT.EXE	Firefox.exe
PID 836 wrote to memory of 1276	836	NAPSTAT.EXE	Firefox.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 1428 wrote to memory of 1460	1428	Explorer.EXE	updatebdf.exe
PID 836 wrote to memory of 1276	836	NAPSTAT.EXE	Firefox.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe
PID 1460 wrote to memory of 1768	1460	updatebdf.exe	updatebdf.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1428

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:972

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Adds policy 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:836

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
3⤵
- Deletes itself
PID:332

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1276

C:\Program Files (x86)\Nolct\updatebdf.exe
"C:\Program Files (x86)\Nolct\updatebdf.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1460

C:\Program Files (x86)\Nolct\updatebdf.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1768

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Nolct\updatebdf.exe
MD5
a3279da350cf134f736629e5e55c0a41

SHA1
d28cc3a2cc3e16cf38634cab8db41aacebf4709b

SHA256
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581

SHA512
248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

Download Submit
C:\Program Files (x86)\Nolct\updatebdf.exe
MD5
a3279da350cf134f736629e5e55c0a41

SHA1
d28cc3a2cc3e16cf38634cab8db41aacebf4709b

SHA256
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581

SHA512
248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

Download Submit
C:\Program Files (x86)\Nolct\updatebdf.exe
MD5
a3279da350cf134f736629e5e55c0a41

SHA1
d28cc3a2cc3e16cf38634cab8db41aacebf4709b

SHA256
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581

SHA512
248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

Download Submit
\Program Files (x86)\Nolct\updatebdf.exe
MD5
a3279da350cf134f736629e5e55c0a41

SHA1
d28cc3a2cc3e16cf38634cab8db41aacebf4709b

SHA256
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581

SHA512
248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

Download Submit
memory/332-66-0x0000000000000000-mapping.dmp

Download
memory/836-65-0x0000000000000000-mapping.dmp

Download
memory/836-72-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/836-70-0x00000000009F0000-0x0000000000A80000-memory.dmp

Filesize
576KB

Download
memory/836-69-0x0000000001ED0000-0x00000000021D3000-memory.dmp

Filesize
3.0MB

Download
memory/836-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/836-67-0x0000000000A80000-0x0000000000AC6000-memory.dmp

Filesize
280KB

Download
memory/972-62-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/972-63-0x0000000000160000-0x0000000000171000-memory.dmp

Filesize
68KB

Download
memory/972-61-0x000000000041D3A0-mapping.dmp

Download
memory/972-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1276-80-0x000000013F400000-0x000000013F493000-memory.dmp

Filesize
588KB

Download
memory/1276-81-0x0000000000060000-0x000000000010A000-memory.dmp

Filesize
680KB

Download
memory/1276-79-0x0000000000000000-mapping.dmp

Download
memory/1424-59-0x0000000000A00000-0x0000000000A2B000-memory.dmp

Filesize
172KB

Download
memory/1424-55-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

Filesize
4KB

Download
memory/1424-58-0x0000000005D50000-0x0000000005DCC000-memory.dmp

Filesize
496KB

Download
memory/1424-57-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1424-56-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/1424-53-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

Filesize
4KB

Download
memory/1428-64-0x00000000049A0000-0x0000000004A77000-memory.dmp

Filesize
860KB

Download
memory/1428-71-0x0000000008D70000-0x0000000008EED000-memory.dmp

Filesize
1.5MB

Download
memory/1460-76-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/1460-83-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1460-78-0x0000000005090000-0x0000000005091000-memory.dmp

Filesize
4KB

Download
memory/1460-73-0x0000000000000000-mapping.dmp

Download
memory/1768-88-0x000000000041D3A0-mapping.dmp

Download
memory/1768-90-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads