formbook | f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff

General

Target

f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe
Size

2.6MB
MD5

72d7655f057ccc74ae32386a854001b5
SHA1

e4429da9ceede2151052ca494f67358c1247c893
SHA256

f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff
SHA512

36989b3a9f61c499394c6cbca44ff4e8cc9072ec2b4bd5f119abb622caa530c4ee634e44e9dcd5a3c136cb56235a9edf319627bb646939787094417cfe0aec6f
SSDEEP

49152:7xWIu4XYOtRwohuzcMwF5yNkr+eHlBJ/k2IDfA9RC0d3:7UIkOAxcMEyNkrzpDMe

Score

10^/10

formbook modiloader n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

wise-transfer.info

jam-nins.com

thebestsocialcrm.com

majomeow222.com

ancientshadowguilt.space

gentleman-china.com

parquemermoz.store

taxuw.com

sharqiyapaints.com

libraryofkath.com

1949wan.com

synqr.net

bitchessgirls.com

btonu.cfd

coding-bootcamps-16314.com

leadership22-tdh.site

maximsboutique.com

irishsummertruffles.com

sdnaqianchuan.com

uyews.xyz

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4432-11-0x00000000029A0000-0x00000000039A0000-memory.dmp	formbook
behavioral2/memory/4432-15-0x00000000029A0000-0x00000000039A0000-memory.dmp	formbook
behavioral2/memory/1712-21-0x0000000000C80000-0x0000000000CAF000-memory.dmp	formbook
behavioral2/memory/1712-23-0x0000000000C80000-0x0000000000CAF000-memory.dmp	formbook

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1984-3-0x0000000004230000-0x000000000A18F000-memory.dmp	modiloader_stage2

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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mupohvqp = "C:\\Users\\Public\\Mupohvqp.url"	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

SndVol.execmstp.exe

description	pid	process	target process
PID 4432 set thread context of 3268	4432	SndVol.exe	Explorer.EXE
PID 1712 set thread context of 3268	1712	cmstp.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	42	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exeSndVol.execmstp.exe

pid	process
1984	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe
1984	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe
4432	SndVol.exe
4432	SndVol.exe
4432	SndVol.exe
4432	SndVol.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3268 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SndVol.execmstp.exe

pid process

4432 SndVol.exe
4432 SndVol.exe
4432 SndVol.exe
1712 cmstp.exe
1712 cmstp.exe
1712 cmstp.exe
1712 cmstp.exe

pid	process
3268	Explorer.EXE

pid	process
4432	SndVol.exe
4432	SndVol.exe
4432	SndVol.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

SndVol.exeExplorer.EXEcmstp.exe

description	pid	process
Token: SeDebugPrivilege	4432	SndVol.exe
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeDebugPrivilege	1712	cmstp.exe
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

SndVol.exe

pid process

4432 SndVol.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

SndVol.exe

pid process

4432 SndVol.exe
4432 SndVol.exe

pid	process
4432	SndVol.exe

pid	process
4432	SndVol.exe
4432	SndVol.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1984 wrote to memory of 4432	1984	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe	SndVol.exe
PID 1984 wrote to memory of 4432	1984	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe	SndVol.exe
PID 1984 wrote to memory of 4432	1984	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe	SndVol.exe
PID 1984 wrote to memory of 4432	1984	f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe	SndVol.exe
PID 3268 wrote to memory of 1712	3268	Explorer.EXE	cmstp.exe
PID 3268 wrote to memory of 1712	3268	Explorer.EXE	cmstp.exe
PID 3268 wrote to memory of 1712	3268	Explorer.EXE	cmstp.exe
PID 1712 wrote to memory of 3928	1712	cmstp.exe	cmd.exe
PID 1712 wrote to memory of 3928	1712	cmstp.exe	cmd.exe
PID 1712 wrote to memory of 3928	1712	cmstp.exe	cmd.exe
PID 1712 wrote to memory of 2296	1712	cmstp.exe	Firefox.exe
PID 1712 wrote to memory of 2296	1712	cmstp.exe	Firefox.exe
PID 1712 wrote to memory of 2296	1712	cmstp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268

C:\Users\Admin\AppData\Local\Temp\f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe
"C:\Users\Admin\AppData\Local\Temp\f742048a48e4d17061d323b8543db4e61163d13739ab9c18e8d1c85aef2ca7ff.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1984

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
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4432

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712

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:3928

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2296

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
Filesize
83KB

MD5
c1fcb67cae8ebc34756b9d2fe010ddc2

SHA1
84e1e39367e035297a1010f536cb3c147686f917

SHA256
13d096c960f253805fc3c0410db15c9f161ce2b9b911c2b3423ae4b3f923157b

SHA512
2bf6cb322ec578bbeaf314d534ae905ae17784aac4e585bbdb6791ad249f3cf415f17232512c170e6d3dd143edf547b388cb01afd678d3e5eea127250be77325

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1712-20-0x0000000000390000-0x00000000003A6000-memory.dmp

Filesize
88KB

Download
memory/1712-18-0x0000000000390000-0x00000000003A6000-memory.dmp

Filesize
88KB

Download
memory/1712-45-0x00000000029E0000-0x0000000002A73000-memory.dmp

Filesize
588KB

Download
memory/1712-21-0x0000000000C80000-0x0000000000CAF000-memory.dmp

Filesize
188KB

Download
memory/1712-22-0x0000000002CA0000-0x0000000002FEA000-memory.dmp

Filesize
3.3MB

Download
memory/1712-23-0x0000000000C80000-0x0000000000CAF000-memory.dmp

Filesize
188KB

Download
memory/1712-39-0x00000000029E0000-0x0000000002A73000-memory.dmp

Filesize
588KB

Download
memory/1984-6-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/1984-5-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1984-3-0x0000000004230000-0x000000000A18F000-memory.dmp

Filesize
95.4MB

Download
memory/1984-2-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1984-1-0x0000000004230000-0x000000000A18F000-memory.dmp

Filesize
95.4MB

Download
memory/1984-0-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/3268-40-0x0000000008580000-0x0000000008664000-memory.dmp

Filesize
912KB

Download
memory/3268-41-0x0000000008580000-0x0000000008664000-memory.dmp

Filesize
912KB

Download
memory/3268-46-0x0000000008580000-0x0000000008664000-memory.dmp

Filesize
912KB

Download
memory/3268-17-0x0000000008B90000-0x0000000008D0E000-memory.dmp

Filesize
1.5MB

Download
memory/4432-16-0x000000001BC10000-0x000000001BC24000-memory.dmp

Filesize
80KB

Download
memory/4432-15-0x00000000029A0000-0x00000000039A0000-memory.dmp

Filesize
16.0MB

Download
memory/4432-13-0x000000001BCC0000-0x000000001C00A000-memory.dmp

Filesize
3.3MB

Download
memory/4432-11-0x00000000029A0000-0x00000000039A0000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads