formbook | 3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d

General

Target

3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe
Size

910KB
MD5

3e52d253587020a97aa22cf6abed57c9
SHA1

e0abab76fe991dc6a8288b067474facf0a83ef1b
SHA256

3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d
SHA512

2fe990183f79df2d92c345164efbbb30b3c1e7244b3d3698768389645960a141afdff957875ae69deac030510385751f86d596c2079d03f267f696addaa9cfce
SSDEEP

12288:cvI/SRZe0WFIQ38UWtwn/8vprceJz5Roy59N7axbIeYPG48SLuk8A1HdY5mQPmdx:cQ3SQ3XWtwn/8vB99mDkTyYQPE29K

Score

10^/10

formbook modiloader xloader uj3c loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

uj3c

Decoy

copimetro.com

choonchain.com

luxxwireless.com

fashionweekofcincinnati.com

campingshare.net

suncochina.com

kidsfundoor.com

testingnyc.co

lovesoe.com

vehiclesbeenrecord.com

socialpearmarketing.com

maxproductdji.com

getallarticle.online

forummind.com

arenamarenostrum.com

trisuaka.xyz

designgamagazine.com

chateaulehotel.com

huangse5.com

esginvestment.tech

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/964-134-0x0000000004480000-0x00000000044AC000-memory.dmp	modiloader_stage2

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/964-148-0x0000000010410000-0x000000001043B000-memory.dmp	xloader
behavioral2/memory/3108-157-0x0000000010410000-0x000000001043B000-memory.dmp	xloader
behavioral2/memory/3628-159-0x0000000000520000-0x000000000054B000-memory.dmp	xloader
behavioral2/memory/3628-161-0x0000000000520000-0x000000000054B000-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:

help.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\VRPXA4FPMJY = "C:\\Program Files (x86)\\Tz8ad\\7n6hzljwb00t.exe"	help.exe

Executes dropped EXE 1 IoCs

Processes:

7n6hzljwb00t.exe

pid process

2280 7n6hzljwb00t.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
2280	7n6hzljwb00t.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qakwgkuu = "C:\\Users\\Public\\Libraries\\uukgwkaQ.url"	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

iexpress.exehelp.exe

description	pid	process	target process
PID 3108 set thread context of 3132	3108	iexpress.exe	Explorer.EXE
PID 3628 set thread context of 3132	3628	help.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

help.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe	help.exe
File opened for modification	C:\Program Files (x86)\Tz8ad	Explorer.EXE
File created	C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exeiexpress.exehelp.exe

pid	process
964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe
964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe
3108	iexpress.exe
3108	iexpress.exe
3108	iexpress.exe
3108	iexpress.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3132 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

iexpress.exehelp.exe

pid process

3108 iexpress.exe
3108 iexpress.exe
3108 iexpress.exe
3628 help.exe
3628 help.exe
3628 help.exe
3628 help.exe

pid	process
3132	Explorer.EXE

pid	process
3108	iexpress.exe
3108	iexpress.exe
3108	iexpress.exe
3628	help.exe
3628	help.exe
3628	help.exe
3628	help.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

iexpress.exeExplorer.EXEhelp.exe

description	pid	process
Token: SeDebugPrivilege	3108	iexpress.exe
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeDebugPrivilege	3628	help.exe
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 964 wrote to memory of 3108	964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe	iexpress.exe
PID 964 wrote to memory of 3108	964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe	iexpress.exe
PID 964 wrote to memory of 3108	964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe	iexpress.exe
PID 964 wrote to memory of 3108	964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe	iexpress.exe
PID 964 wrote to memory of 3108	964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe	iexpress.exe
PID 964 wrote to memory of 3108	964	3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe	iexpress.exe
PID 3132 wrote to memory of 3628	3132	Explorer.EXE	help.exe
PID 3132 wrote to memory of 3628	3132	Explorer.EXE	help.exe
PID 3132 wrote to memory of 3628	3132	Explorer.EXE	help.exe
PID 3628 wrote to memory of 3116	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 3116	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 3116	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 1956	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 1956	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 1956	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 4788	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 4788	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 4788	3628	help.exe	cmd.exe
PID 3628 wrote to memory of 4396	3628	help.exe	Firefox.exe
PID 3628 wrote to memory of 4396	3628	help.exe	Firefox.exe
PID 3628 wrote to memory of 4396	3628	help.exe	Firefox.exe
PID 3132 wrote to memory of 2280	3132	Explorer.EXE	7n6hzljwb00t.exe
PID 3132 wrote to memory of 2280	3132	Explorer.EXE	7n6hzljwb00t.exe
PID 3132 wrote to memory of 2280	3132	Explorer.EXE	7n6hzljwb00t.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 WriteProcessMemory
PID:3132

C:\Users\Admin\AppData\Local\Temp\3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe
"C:\Users\Admin\AppData\Local\Temp\3808ccaaa210176453b1d9e91350b6d0f517aeaf87c1d60cc883fd54e7c0737d.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\iexpress.exe
C:\Windows\System32\iexpress.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3108

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.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:3628

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\iexpress.exe"
3⤵
PID:3116

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:1956

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:4788

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4396

C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe
"C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe"
2⤵
- Executes dropped EXE
PID:2280

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe
Filesize
148KB

MD5
d594b2a33efafd0eabf09e3fdc05fcea

SHA1
06845890c783abb305a8c9bbd119df5de0a17e6f

SHA256
dd2c185deae89d41f42fb9903aa274ae70b103ea2285184c4565f39b69df945f

SHA512
20e26f7ceb672a4b64cf05ca5595611b9fa561b6c141bd0e9fdc777836af1e343dffed81b07d8f3636d1e21a1fe42176c0a090dfb711eacd56006f85551e9a43

Download Submit
C:\Program Files (x86)\Tz8ad\7n6hzljwb00t.exe
Filesize
148KB

MD5
d594b2a33efafd0eabf09e3fdc05fcea

SHA1
06845890c783abb305a8c9bbd119df5de0a17e6f

SHA256
dd2c185deae89d41f42fb9903aa274ae70b103ea2285184c4565f39b69df945f

SHA512
20e26f7ceb672a4b64cf05ca5595611b9fa561b6c141bd0e9fdc777836af1e343dffed81b07d8f3636d1e21a1fe42176c0a090dfb711eacd56006f85551e9a43

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

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

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tz8ad\7n6hzljwb00t.exe
Filesize
148KB

MD5
d594b2a33efafd0eabf09e3fdc05fcea

SHA1
06845890c783abb305a8c9bbd119df5de0a17e6f

SHA256
dd2c185deae89d41f42fb9903aa274ae70b103ea2285184c4565f39b69df945f

SHA512
20e26f7ceb672a4b64cf05ca5595611b9fa561b6c141bd0e9fdc777836af1e343dffed81b07d8f3636d1e21a1fe42176c0a090dfb711eacd56006f85551e9a43

Download Submit
memory/964-134-0x0000000004480000-0x00000000044AC000-memory.dmp

Filesize
176KB

Download
memory/964-136-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/964-147-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/964-148-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/964-133-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/3108-152-0x0000000003F20000-0x000000000426A000-memory.dmp

Filesize
3.3MB

Download
memory/3108-157-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/3108-153-0x0000000003E60000-0x0000000003E71000-memory.dmp

Filesize
68KB

Download
memory/3108-149-0x0000000003B30000-0x0000000003B31000-memory.dmp

Filesize
4KB

Download
memory/3132-164-0x0000000008B90000-0x0000000008D04000-memory.dmp

Filesize
1.5MB

Download
memory/3132-166-0x0000000008B90000-0x0000000008D04000-memory.dmp

Filesize
1.5MB

Download
memory/3132-154-0x0000000008A70000-0x0000000008B8F000-memory.dmp

Filesize
1.1MB

Download
memory/3628-161-0x0000000000520000-0x000000000054B000-memory.dmp

Filesize
172KB

Download
memory/3628-163-0x0000000000AB0000-0x0000000000B40000-memory.dmp

Filesize
576KB

Download
memory/3628-160-0x0000000000FF0000-0x000000000133A000-memory.dmp

Filesize
3.3MB

Download
memory/3628-159-0x0000000000520000-0x000000000054B000-memory.dmp

Filesize
172KB

Download
memory/3628-158-0x0000000000480000-0x0000000000487000-memory.dmp

Filesize
28KB

Download
memory/3628-156-0x0000000000480000-0x0000000000487000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads