formbook | f9744d616627a9e5640bfb7cc0c88b03e52b53141f1647c57a3b3d77766d510d

General

Target

soa#2021011015.exe
Size

286KB
MD5

77f19e38f4e1eeb655d01114be0e710c
SHA1

a7bbc2ed7b159f441107d43dcceca5be98623556
SHA256

f9744d616627a9e5640bfb7cc0c88b03e52b53141f1647c57a3b3d77766d510d
SHA512

1c0f548fe3cc9e4a7ac16d7365b7f11f475b9e78daff61b548d1a7f45b7c5b633d82fdb770b079dfd51bbb0d5ee85a8891c411d1de925720184385071101db5f

Score

10^/10

formbook xloader e8ia loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

e8ia

C2

http://www.helpfromjames.com/e8ia/

Decoy

le-hameau-enchanteur.com

quantumsystem-au.club

engravedeeply.com

yesrecompensas.lat

cavallitowerofficials.com

800seaspray.com

skifun-jetski.com

thouartafoot.com

nft2dollar.com

petrestore.online

cjcutthecord2.com

tippimccullough.com

gadget198.xyz

djmiriam.com

bitbasepay.com

cukierniawz.com

mcclureic.xyz

inthekitchenshakinandbakin.com

busy-clicks.com

melaniemorris.online

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

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3264-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3264-117-0x000000000041D4D0-mapping.dmp	xloader
behavioral2/memory/3264-122-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/960-127-0x0000000002EF0000-0x0000000002F19000-memory.dmp	xloader
behavioral2/memory/960-129-0x0000000002F20000-0x0000000002FCE000-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:

wlanext.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\AFM8FTBPNLW = "C:\\Program Files (x86)\\Octfht\\mssrmdb.exe"	wlanext.exe

Executes dropped EXE 1 IoCs

Processes:

mssrmdb.exe

pid process

776 mssrmdb.exe
Loads dropped DLL 2 IoCs

Processes:

soa#2021011015.exemssrmdb.exe

pid process

2788 soa#2021011015.exe
776 mssrmdb.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
776	mssrmdb.exe

pid	process
2788	soa#2021011015.exe
776	mssrmdb.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

soa#2021011015.exesoa#2021011015.exewlanext.exe

description	pid	process	target process
PID 2788 set thread context of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 3264 set thread context of 3024	3264	soa#2021011015.exe	Explorer.EXE
PID 3264 set thread context of 3024	3264	soa#2021011015.exe	Explorer.EXE
PID 960 set thread context of 3024	960	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

wlanext.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Octfht\mssrmdb.exe	wlanext.exe
File opened for modification	C:\Program Files (x86)\Octfht	Explorer.EXE
File created	C:\Program Files (x86)\Octfht\mssrmdb.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Octfht\mssrmdb.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

NSIS installer 4 IoCs

installer

Processes:

resource	yara_rule
C:\Program Files (x86)\Octfht\mssrmdb.exe	nsis_installer_1
C:\Program Files (x86)\Octfht\mssrmdb.exe	nsis_installer_2
C:\Program Files (x86)\Octfht\mssrmdb.exe	nsis_installer_1
C:\Program Files (x86)\Octfht\mssrmdb.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-941723256-3451054534-3089625102-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

soa#2021011015.exewlanext.exe

pid	process
3264	soa#2021011015.exe
3264	soa#2021011015.exe
3264	soa#2021011015.exe
3264	soa#2021011015.exe
3264	soa#2021011015.exe
3264	soa#2021011015.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe
960	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

soa#2021011015.exewlanext.exe

pid process

3264 soa#2021011015.exe
3264 soa#2021011015.exe
3264 soa#2021011015.exe
3264 soa#2021011015.exe
960 wlanext.exe
960 wlanext.exe
960 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

soa#2021011015.exewlanext.exe

description pid process

Token: SeDebugPrivilege 3264 soa#2021011015.exe
Token: SeDebugPrivilege 960 wlanext.exe

pid	process
3024	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3264	soa#2021011015.exe
Token: SeDebugPrivilege	960	wlanext.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

soa#2021011015.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 2788 wrote to memory of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 2788 wrote to memory of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 2788 wrote to memory of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 2788 wrote to memory of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 2788 wrote to memory of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 2788 wrote to memory of 3264	2788	soa#2021011015.exe	soa#2021011015.exe
PID 3024 wrote to memory of 960	3024	Explorer.EXE	wlanext.exe
PID 3024 wrote to memory of 960	3024	Explorer.EXE	wlanext.exe
PID 3024 wrote to memory of 960	3024	Explorer.EXE	wlanext.exe
PID 960 wrote to memory of 660	960	wlanext.exe	cmd.exe
PID 960 wrote to memory of 660	960	wlanext.exe	cmd.exe
PID 960 wrote to memory of 660	960	wlanext.exe	cmd.exe
PID 960 wrote to memory of 1732	960	wlanext.exe	cmd.exe
PID 960 wrote to memory of 1732	960	wlanext.exe	cmd.exe
PID 960 wrote to memory of 1732	960	wlanext.exe	cmd.exe
PID 960 wrote to memory of 1012	960	wlanext.exe	Firefox.exe
PID 960 wrote to memory of 1012	960	wlanext.exe	Firefox.exe
PID 3024 wrote to memory of 776	3024	Explorer.EXE	mssrmdb.exe
PID 3024 wrote to memory of 776	3024	Explorer.EXE	mssrmdb.exe
PID 3024 wrote to memory of 776	3024	Explorer.EXE	mssrmdb.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3024

C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe
"C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2788

C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe
"C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3264

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1848

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1896

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1788

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.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:960

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe"
3⤵
PID:660

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:1732

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1012

C:\Program Files (x86)\Octfht\mssrmdb.exe
"C:\Program Files (x86)\Octfht\mssrmdb.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:776

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

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)\Octfht\mssrmdb.exe
MD5
77f19e38f4e1eeb655d01114be0e710c

SHA1
a7bbc2ed7b159f441107d43dcceca5be98623556

SHA256
f9744d616627a9e5640bfb7cc0c88b03e52b53141f1647c57a3b3d77766d510d

SHA512
1c0f548fe3cc9e4a7ac16d7365b7f11f475b9e78daff61b548d1a7f45b7c5b633d82fdb770b079dfd51bbb0d5ee85a8891c411d1de925720184385071101db5f

Download Submit
C:\Program Files (x86)\Octfht\mssrmdb.exe
MD5
77f19e38f4e1eeb655d01114be0e710c

SHA1
a7bbc2ed7b159f441107d43dcceca5be98623556

SHA256
f9744d616627a9e5640bfb7cc0c88b03e52b53141f1647c57a3b3d77766d510d

SHA512
1c0f548fe3cc9e4a7ac16d7365b7f11f475b9e78daff61b548d1a7f45b7c5b633d82fdb770b079dfd51bbb0d5ee85a8891c411d1de925720184385071101db5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\oa3a5r1rlemkc8un
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\nsf22.tmp\hiib.dll
MD5
0aecec56e3ae0fb3d77c3c2c35d2a147

SHA1
f6478611f5048e9f7d6b79c29e4e187ae15b2ada

SHA256
d22526223a8d35f173f0704477783bbe564d69babbef43aa2133b8ca4172dd27

SHA512
5009e773fee22b766edb902b850864b062cdf01b77bdf5ada7f9cf8b889b788b0aefc73be5e6f2af0d2b252a229001b8f3aa64989cdcf917561916dd3fbae0ae

Download Submit
\Users\Admin\AppData\Local\Temp\nstC054.tmp\hiib.dll
MD5
0aecec56e3ae0fb3d77c3c2c35d2a147

SHA1
f6478611f5048e9f7d6b79c29e4e187ae15b2ada

SHA256
d22526223a8d35f173f0704477783bbe564d69babbef43aa2133b8ca4172dd27

SHA512
5009e773fee22b766edb902b850864b062cdf01b77bdf5ada7f9cf8b889b788b0aefc73be5e6f2af0d2b252a229001b8f3aa64989cdcf917561916dd3fbae0ae

Download Submit
memory/660-128-0x0000000000000000-mapping.dmp

Download
memory/776-134-0x0000000000000000-mapping.dmp

Download
memory/960-130-0x0000000003400000-0x0000000003490000-memory.dmp

Filesize
576KB

Download
memory/960-125-0x0000000000000000-mapping.dmp

Download
memory/960-126-0x0000000000030000-0x0000000000047000-memory.dmp

Filesize
92KB

Download
memory/960-127-0x0000000002EF0000-0x0000000002F19000-memory.dmp

Filesize
164KB

Download
memory/960-129-0x0000000002F20000-0x0000000002FCE000-memory.dmp

Filesize
696KB

Download
memory/1732-132-0x0000000000000000-mapping.dmp

Download
memory/3024-131-0x0000000001080000-0x0000000001121000-memory.dmp

Filesize
644KB

Download
memory/3024-124-0x0000000006690000-0x00000000067DB000-memory.dmp

Filesize
1.3MB

Download
memory/3024-121-0x0000000006490000-0x00000000065F8000-memory.dmp

Filesize
1.4MB

Download
memory/3264-123-0x0000000000A20000-0x0000000000A31000-memory.dmp

Filesize
68KB

Download
memory/3264-122-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3264-119-0x0000000000A40000-0x0000000000D60000-memory.dmp

Filesize
3.1MB

Download
memory/3264-120-0x0000000000600000-0x0000000000611000-memory.dmp

Filesize
68KB

Download
memory/3264-117-0x000000000041D4D0-mapping.dmp

Download
memory/3264-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads