formbook | 9973a0ac74f8649b431499862359352cc0e8639f4f46ae5ae2371fcdaaf31320

General

Target

092726376263728.DOC.exe
Size

798KB
MD5

fc317530c3a698867861a965caa34bad
SHA1

2700a38ef604d78793da302664afc7d27bbb0b1c
SHA256

9973a0ac74f8649b431499862359352cc0e8639f4f46ae5ae2371fcdaaf31320
SHA512

f01c04b08d76f7eef6426a129dc39ea1ab60d99c52804b999b4b89c53d6d83f0ad17db311186f899f4924a5bdd38577ef8d803ae909ff700ccb68c66511d3db9
SSDEEP

12288:TNLhcjoS4FC7ITh3IBPmOt50Pbkttml53kbXJ2zlLj0:T9hcsFCMTaFCKIsbZ2h

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/2616-134-0x00000000023B0000-0x00000000023E1000-memory.dmp	modiloader_stage2

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2616-140-0x0000000010410000-0x000000001043B000-memory.dmp	xloader
behavioral2/memory/4000-145-0x0000000010410000-0x000000001043B000-memory.dmp	xloader
behavioral2/memory/732-152-0x0000000000770000-0x000000000079B000-memory.dmp	xloader
behavioral2/memory/732-154-0x0000000000770000-0x000000000079B000-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:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\WJTPGP9HSDN = "C:\\Program Files (x86)\\Davapw\\rpx-zbh.exe"	explorer.exe

Executes dropped EXE 1 IoCs

Processes:

rpx-zbh.exe

pid process

3892 rpx-zbh.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
3892	rpx-zbh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

092726376263728.DOC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wkoaggmq = "C:\\Users\\Public\\Libraries\\qmggaokW.url"	092726376263728.DOC.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

SndVol.exeexplorer.exe

description	pid	process	target process
PID 4000 set thread context of 3116	4000	SndVol.exe	Explorer.EXE
PID 732 set thread context of 3116	732	explorer.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXEexplorer.exe

description	ioc	process
File created	C:\Program Files (x86)\Davapw\rpx-zbh.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Davapw\rpx-zbh.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Davapw\rpx-zbh.exe	explorer.exe
File opened for modification	C:\Program Files (x86)\Davapw	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Script User-Agent 3 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

SndVol.exeexplorer.exe

pid	process
4000	SndVol.exe
4000	SndVol.exe
4000	SndVol.exe
4000	SndVol.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe
732	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3116 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SndVol.exeexplorer.exe

pid process

4000 SndVol.exe
4000 SndVol.exe
4000 SndVol.exe
732 explorer.exe
732 explorer.exe
732 explorer.exe
732 explorer.exe

pid	process
3116	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

SndVol.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4000	SndVol.exe
Token: SeDebugPrivilege	732	explorer.exe
Token: SeShutdownPrivilege	3116	Explorer.EXE
Token: SeCreatePagefilePrivilege	3116	Explorer.EXE
Token: SeShutdownPrivilege	3116	Explorer.EXE
Token: SeCreatePagefilePrivilege	3116	Explorer.EXE
Token: SeShutdownPrivilege	3116	Explorer.EXE
Token: SeCreatePagefilePrivilege	3116	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

092726376263728.DOC.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 2616 wrote to memory of 4000	2616	092726376263728.DOC.exe	SndVol.exe
PID 2616 wrote to memory of 4000	2616	092726376263728.DOC.exe	SndVol.exe
PID 2616 wrote to memory of 4000	2616	092726376263728.DOC.exe	SndVol.exe
PID 2616 wrote to memory of 4000	2616	092726376263728.DOC.exe	SndVol.exe
PID 2616 wrote to memory of 4000	2616	092726376263728.DOC.exe	SndVol.exe
PID 2616 wrote to memory of 4000	2616	092726376263728.DOC.exe	SndVol.exe
PID 3116 wrote to memory of 732	3116	Explorer.EXE	explorer.exe
PID 3116 wrote to memory of 732	3116	Explorer.EXE	explorer.exe
PID 3116 wrote to memory of 732	3116	Explorer.EXE	explorer.exe
PID 732 wrote to memory of 3432	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 3432	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 3432	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 1568	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 1568	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 1568	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 3372	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 3372	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 3372	732	explorer.exe	cmd.exe
PID 732 wrote to memory of 4864	732	explorer.exe	Firefox.exe
PID 732 wrote to memory of 4864	732	explorer.exe	Firefox.exe
PID 732 wrote to memory of 4864	732	explorer.exe	Firefox.exe
PID 3116 wrote to memory of 3892	3116	Explorer.EXE	rpx-zbh.exe
PID 3116 wrote to memory of 3892	3116	Explorer.EXE	rpx-zbh.exe
PID 3116 wrote to memory of 3892	3116	Explorer.EXE	rpx-zbh.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:3116

C:\Users\Admin\AppData\Local\Temp\092726376263728.DOC.exe
"C:\Users\Admin\AppData\Local\Temp\092726376263728.DOC.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2616

C:\Windows\SysWOW64\SndVol.exe
"C:\Windows\System32\SndVol.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4000

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.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:732

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\SndVol.exe"
3⤵
PID:3432

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:1568

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:3372

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4864

C:\Program Files (x86)\Davapw\rpx-zbh.exe
"C:\Program Files (x86)\Davapw\rpx-zbh.exe"
2⤵
- Executes dropped EXE
PID:3892

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)\Davapw\rpx-zbh.exe
Filesize
220KB

MD5
5ac83d3d18f9b6e1c5b78bd712661524

SHA1
9ee22c8038e47a4935aeac113d3f2ee6f03a22c4

SHA256
d68ddc4be84705357288ba972939aa9aa5f95537ebc059c3ff3ccaae11638fca

SHA512
2fc37b27836a4f0a4c61a5cd976e7452120585b86a615cce25108737337a9a02b73cc68c92b26fbb89a5cadbf3033ad0b6355cc5b7094f18318e3dbea1b84082

Download Submit
C:\Program Files (x86)\Davapw\rpx-zbh.exe
Filesize
220KB

MD5
5ac83d3d18f9b6e1c5b78bd712661524

SHA1
9ee22c8038e47a4935aeac113d3f2ee6f03a22c4

SHA256
d68ddc4be84705357288ba972939aa9aa5f95537ebc059c3ff3ccaae11638fca

SHA512
2fc37b27836a4f0a4c61a5cd976e7452120585b86a615cce25108737337a9a02b73cc68c92b26fbb89a5cadbf3033ad0b6355cc5b7094f18318e3dbea1b84082

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\Davapw\rpx-zbh.exe
Filesize
220KB

MD5
5ac83d3d18f9b6e1c5b78bd712661524

SHA1
9ee22c8038e47a4935aeac113d3f2ee6f03a22c4

SHA256
d68ddc4be84705357288ba972939aa9aa5f95537ebc059c3ff3ccaae11638fca

SHA512
2fc37b27836a4f0a4c61a5cd976e7452120585b86a615cce25108737337a9a02b73cc68c92b26fbb89a5cadbf3033ad0b6355cc5b7094f18318e3dbea1b84082

Download Submit
memory/732-156-0x00000000027A0000-0x0000000002830000-memory.dmp

Filesize
576KB

Download
memory/732-154-0x0000000000770000-0x000000000079B000-memory.dmp

Filesize
172KB

Download
memory/732-152-0x0000000000770000-0x000000000079B000-memory.dmp

Filesize
172KB

Download
memory/732-153-0x0000000002A00000-0x0000000002D4A000-memory.dmp

Filesize
3.3MB

Download
memory/732-151-0x0000000000230000-0x0000000000663000-memory.dmp

Filesize
4.2MB

Download
memory/732-148-0x0000000000230000-0x0000000000663000-memory.dmp

Filesize
4.2MB

Download
memory/2616-133-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2616-140-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/2616-139-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/2616-136-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2616-134-0x00000000023B0000-0x00000000023E1000-memory.dmp

Filesize
196KB

Download
memory/3116-147-0x0000000008AA0000-0x0000000008C37000-memory.dmp

Filesize
1.6MB

Download
memory/3116-157-0x0000000009650000-0x0000000009755000-memory.dmp

Filesize
1.0MB

Download
memory/3116-158-0x0000000009650000-0x0000000009755000-memory.dmp

Filesize
1.0MB

Download
memory/4000-146-0x00000000022D0000-0x00000000022E1000-memory.dmp

Filesize
68KB

Download
memory/4000-145-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/4000-144-0x0000000002660000-0x00000000029AA000-memory.dmp

Filesize
3.3MB

Download
memory/4000-141-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads