formbook | fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601

General

Target

SOA_OCT 2021.exe
Size

269KB
MD5

75f24a7fd78d30dc1287852829e55fe1
SHA1

b5a09b34b18f14d44c311f84a5e705bdc6684e0c
SHA256

fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601
SHA512

58e19c58f39ca00ff9d5be73271471eff557b7d5041d6f3d99dbb0f6417212e351f45199548e7884c5f54e52c56d8dab4d52c0f500627ca7c4647407f9c91b6d

Score

10^/10

formbook xloader e8ia loader persistence rat spyware stealer 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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3288-119-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3288-120-0x000000000041D4D0-mapping.dmp	xloader
behavioral2/memory/1320-127-0x0000000000140000-0x0000000000169000-memory.dmp	xloader
behavioral2/memory/516-138-0x000000000041D4D0-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:

control.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	control.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\4HMLOX90LB0 = "C:\\Program Files (x86)\\K2d4tstbp\\adfk8d.exe"	control.exe

Executes dropped EXE 2 IoCs

Processes:

adfk8d.exeadfk8d.exe

pid process

724 adfk8d.exe
516 adfk8d.exe
Loads dropped DLL 2 IoCs

Processes:

SOA_OCT 2021.exeadfk8d.exe

pid process

3900 SOA_OCT 2021.exe
724 adfk8d.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
724	adfk8d.exe
516	adfk8d.exe

pid	process
3900	SOA_OCT 2021.exe
724	adfk8d.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SOA_OCT 2021.exeSOA_OCT 2021.execontrol.exeadfk8d.exe

description	pid	process	target process
PID 3900 set thread context of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3288 set thread context of 3064	3288	SOA_OCT 2021.exe	Explorer.EXE
PID 1320 set thread context of 3064	1320	control.exe	Explorer.EXE
PID 724 set thread context of 516	724	adfk8d.exe	adfk8d.exe

Drops file in Program Files directory 4 IoCs

Processes:

control.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	control.exe
File opened for modification	C:\Program Files (x86)\K2d4tstbp	Explorer.EXE
File created	C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\K2d4tstbp\adfk8d.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 6 IoCs

installer

Processes:

resource	yara_rule
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	nsis_installer_1
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	nsis_installer_2
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	nsis_installer_1
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	nsis_installer_2
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	nsis_installer_1
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

control.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1042495040-510797905-2613508344-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	control.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

SOA_OCT 2021.execontrol.exeadfk8d.exe

pid	process
3288	SOA_OCT 2021.exe
3288	SOA_OCT 2021.exe
3288	SOA_OCT 2021.exe
3288	SOA_OCT 2021.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
516	adfk8d.exe
516	adfk8d.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe
1320	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SOA_OCT 2021.execontrol.exe

pid process

3288 SOA_OCT 2021.exe
3288 SOA_OCT 2021.exe
3288 SOA_OCT 2021.exe
1320 control.exe
1320 control.exe
1320 control.exe
1320 control.exe

pid	process
3064	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

SOA_OCT 2021.execontrol.exeExplorer.EXEadfk8d.exe

description	pid	process
Token: SeDebugPrivilege	3288	SOA_OCT 2021.exe
Token: SeDebugPrivilege	1320	control.exe
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeDebugPrivilege	516	adfk8d.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

SOA_OCT 2021.exeExplorer.EXEcontrol.exeadfk8d.exe

description	pid	process	target process
PID 3900 wrote to memory of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3900 wrote to memory of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3900 wrote to memory of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3900 wrote to memory of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3900 wrote to memory of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3900 wrote to memory of 3288	3900	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 3064 wrote to memory of 1320	3064	Explorer.EXE	control.exe
PID 3064 wrote to memory of 1320	3064	Explorer.EXE	control.exe
PID 3064 wrote to memory of 1320	3064	Explorer.EXE	control.exe
PID 1320 wrote to memory of 424	1320	control.exe	cmd.exe
PID 1320 wrote to memory of 424	1320	control.exe	cmd.exe
PID 1320 wrote to memory of 424	1320	control.exe	cmd.exe
PID 3064 wrote to memory of 724	3064	Explorer.EXE	adfk8d.exe
PID 3064 wrote to memory of 724	3064	Explorer.EXE	adfk8d.exe
PID 3064 wrote to memory of 724	3064	Explorer.EXE	adfk8d.exe
PID 724 wrote to memory of 516	724	adfk8d.exe	adfk8d.exe
PID 724 wrote to memory of 516	724	adfk8d.exe	adfk8d.exe
PID 724 wrote to memory of 516	724	adfk8d.exe	adfk8d.exe
PID 724 wrote to memory of 516	724	adfk8d.exe	adfk8d.exe
PID 724 wrote to memory of 516	724	adfk8d.exe	adfk8d.exe
PID 724 wrote to memory of 516	724	adfk8d.exe	adfk8d.exe
PID 1320 wrote to memory of 3440	1320	control.exe	cmd.exe
PID 1320 wrote to memory of 3440	1320	control.exe	cmd.exe
PID 1320 wrote to memory of 3440	1320	control.exe	cmd.exe
PID 1320 wrote to memory of 1328	1320	control.exe	Firefox.exe
PID 1320 wrote to memory of 1328	1320	control.exe	Firefox.exe
PID 1320 wrote to memory of 1328	1320	control.exe	Firefox.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:3064

C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe
"C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3900

C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe
"C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3288

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.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:1320

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe"
3⤵
PID:424

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:3440

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1328

C:\Program Files (x86)\K2d4tstbp\adfk8d.exe
"C:\Program Files (x86)\K2d4tstbp\adfk8d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:724

C:\Program Files (x86)\K2d4tstbp\adfk8d.exe
"C:\Program Files (x86)\K2d4tstbp\adfk8d.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516

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)\K2d4tstbp\adfk8d.exe
MD5
75f24a7fd78d30dc1287852829e55fe1

SHA1
b5a09b34b18f14d44c311f84a5e705bdc6684e0c

SHA256
fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601

SHA512
58e19c58f39ca00ff9d5be73271471eff557b7d5041d6f3d99dbb0f6417212e351f45199548e7884c5f54e52c56d8dab4d52c0f500627ca7c4647407f9c91b6d

Download Submit
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe
MD5
75f24a7fd78d30dc1287852829e55fe1

SHA1
b5a09b34b18f14d44c311f84a5e705bdc6684e0c

SHA256
fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601

SHA512
58e19c58f39ca00ff9d5be73271471eff557b7d5041d6f3d99dbb0f6417212e351f45199548e7884c5f54e52c56d8dab4d52c0f500627ca7c4647407f9c91b6d

Download Submit
C:\Program Files (x86)\K2d4tstbp\adfk8d.exe
MD5
75f24a7fd78d30dc1287852829e55fe1

SHA1
b5a09b34b18f14d44c311f84a5e705bdc6684e0c

SHA256
fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601

SHA512
58e19c58f39ca00ff9d5be73271471eff557b7d5041d6f3d99dbb0f6417212e351f45199548e7884c5f54e52c56d8dab4d52c0f500627ca7c4647407f9c91b6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\78dz2q2uwry0asuvco5
MD5
efb41d35927fe5f6c2f77123fafe298a

SHA1
63e3a8b0672ed4b1a019ab6b779089c4ef284e1d

SHA256
cd7ead2347249b9b7be3fdf00f53dc89a802aac21d7290f94794e6d2b7691152

SHA512
f977a1ea388c62982d9d741b15267e71b68f1b0d3fb43d30effc90004d8672efca8ebf40737836efd1635cdbaa3efef8c194cefc0b635d56a1d4457d6b4e5845

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

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
\Users\Admin\AppData\Local\Temp\nso6327.tmp\zqrogrizrdl.dll
MD5
111cf887cc57c1bfae19720dc6620c00

SHA1
5e2a2a3bb73df5351b019a757f3e4880ce4006be

SHA256
4461591c65cd4e32c75ece28af45fa02370d8b31404d4a8b73303208b7fa6dea

SHA512
0222ec6802c09238278604fe66a5eeac69b0dcff145104cbb11acac99998b6d35e3f5dd02c44c3674d7685574d7cf8c244ff3b4363a7c87c7392010612d5ad75

Download Submit
\Users\Admin\AppData\Local\Temp\nst9906.tmp\zqrogrizrdl.dll
MD5
111cf887cc57c1bfae19720dc6620c00

SHA1
5e2a2a3bb73df5351b019a757f3e4880ce4006be

SHA256
4461591c65cd4e32c75ece28af45fa02370d8b31404d4a8b73303208b7fa6dea

SHA512
0222ec6802c09238278604fe66a5eeac69b0dcff145104cbb11acac99998b6d35e3f5dd02c44c3674d7685574d7cf8c244ff3b4363a7c87c7392010612d5ad75

Download Submit
memory/424-128-0x0000000000000000-mapping.dmp

Download
memory/516-140-0x0000000000A30000-0x0000000000D50000-memory.dmp

Filesize
3.1MB

Download
memory/516-138-0x000000000041D4D0-mapping.dmp

Download
memory/724-132-0x0000000000000000-mapping.dmp

Download
memory/1320-129-0x0000000004310000-0x0000000004630000-memory.dmp

Filesize
3.1MB

Download
memory/1320-130-0x00000000040E0000-0x0000000004170000-memory.dmp

Filesize
576KB

Download
memory/1320-126-0x0000000000820000-0x0000000000840000-memory.dmp

Filesize
128KB

Download
memory/1320-127-0x0000000000140000-0x0000000000169000-memory.dmp

Filesize
164KB

Download
memory/1320-125-0x0000000000000000-mapping.dmp

Download
memory/3064-131-0x0000000002B00000-0x0000000002BDA000-memory.dmp

Filesize
872KB

Download
memory/3064-124-0x0000000005630000-0x00000000057C8000-memory.dmp

Filesize
1.6MB

Download
memory/3288-122-0x0000000000A30000-0x0000000000D50000-memory.dmp

Filesize
3.1MB

Download
memory/3288-123-0x00000000005F0000-0x0000000000601000-memory.dmp

Filesize
68KB

Download
memory/3288-120-0x000000000041D4D0-mapping.dmp

Download
memory/3288-119-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3440-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads