formbook | 586746a650d17bf479d4acda752b2fd59db221c8beaf4e4ec167db15531c55b4

General

Target

yeni siparis pdf.exe
Size

855KB
MD5

b66417695e3a8844a9ee9fa5828bfd8c
SHA1

701f2da68cfe095527a6c66fd6aee55204eb57d9
SHA256

8f10623db4fc1e8289a02e94db58942a94a25c59a06e559fa910094da3db7e9d
SHA512

98121e7d46376026499e450c519d012e721a14b075e46e711b077a7beb507a77dc3a4e4264cd9e52346c88e56a8607235e942f29be504f72d837e8de7dba242d

Score

10^/10

formbook n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3340-132-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/4628-139-0x0000000000F70000-0x0000000000F9D000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	ipconfig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\GX4HZL3H = "C:\\Program Files (x86)\\Vkx48ftbp\\rpzpyzj0-z_lgvgp.exe"	ipconfig.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

yeni siparis pdf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\Run	yeni siparis pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ProPlayer = "C:\\Users\\Admin\\AppData\\Roaming\\ProPlayer\\Player.exe.exe"	yeni siparis pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

yeni siparis pdf.exeyeni siparis pdf.EXEipconfig.exe

description	pid	process	target process
PID 456 set thread context of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 3340 set thread context of 2488	3340	yeni siparis pdf.EXE	Explorer.EXE
PID 4628 set thread context of 2488	4628	ipconfig.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

ipconfig.exe

description ioc process

File opened for modification C:\Program Files (x86)\Vkx48ftbp\rpzpyzj0-z_lgvgp.exe ipconfig.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Vkx48ftbp\rpzpyzj0-z_lgvgp.exe	ipconfig.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

4628 ipconfig.exe

pid	process
4628	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

yeni siparis pdf.EXEipconfig.exe

pid	process
3340	yeni siparis pdf.EXE
3340	yeni siparis pdf.EXE
3340	yeni siparis pdf.EXE
3340	yeni siparis pdf.EXE
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe
4628	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2488 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

yeni siparis pdf.EXEipconfig.exe

pid process

3340 yeni siparis pdf.EXE
3340 yeni siparis pdf.EXE
3340 yeni siparis pdf.EXE
4628 ipconfig.exe
4628 ipconfig.exe
4628 ipconfig.exe
4628 ipconfig.exe

pid	process
2488	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

yeni siparis pdf.EXEipconfig.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3340	yeni siparis pdf.EXE
Token: SeDebugPrivilege	4628	ipconfig.exe
Token: SeShutdownPrivilege	316	svchost.exe
Token: SeCreatePagefilePrivilege	316	svchost.exe
Token: SeShutdownPrivilege	316	svchost.exe
Token: SeCreatePagefilePrivilege	316	svchost.exe
Token: SeShutdownPrivilege	316	svchost.exe
Token: SeCreatePagefilePrivilege	316	svchost.exe
Token: SeShutdownPrivilege	2488	Explorer.EXE
Token: SeCreatePagefilePrivilege	2488	Explorer.EXE
Token: SeShutdownPrivilege	2488	Explorer.EXE
Token: SeCreatePagefilePrivilege	2488	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

yeni siparis pdf.exe

pid process

456 yeni siparis pdf.exe

pid	process
456	yeni siparis pdf.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

yeni siparis pdf.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 456 wrote to memory of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 456 wrote to memory of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 456 wrote to memory of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 456 wrote to memory of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 456 wrote to memory of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 456 wrote to memory of 3340	456	yeni siparis pdf.exe	yeni siparis pdf.EXE
PID 2488 wrote to memory of 4628	2488	Explorer.EXE	ipconfig.exe
PID 2488 wrote to memory of 4628	2488	Explorer.EXE	ipconfig.exe
PID 2488 wrote to memory of 4628	2488	Explorer.EXE	ipconfig.exe
PID 4628 wrote to memory of 4492	4628	ipconfig.exe	cmd.exe
PID 4628 wrote to memory of 4492	4628	ipconfig.exe	cmd.exe
PID 4628 wrote to memory of 4492	4628	ipconfig.exe	cmd.exe
PID 4628 wrote to memory of 3496	4628	ipconfig.exe	cmd.exe
PID 4628 wrote to memory of 3496	4628	ipconfig.exe	cmd.exe
PID 4628 wrote to memory of 3496	4628	ipconfig.exe	cmd.exe
PID 4628 wrote to memory of 2592	4628	ipconfig.exe	Firefox.exe
PID 4628 wrote to memory of 2592	4628	ipconfig.exe	Firefox.exe
PID 4628 wrote to memory of 2592	4628	ipconfig.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488

C:\Users\Admin\AppData\Local\Temp\yeni siparis pdf.exe
"C:\Users\Admin\AppData\Local\Temp\yeni siparis pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:456

C:\Users\Admin\AppData\Local\Temp\yeni siparis pdf.EXE
"C:\Users\Admin\AppData\Local\Temp\yeni siparis pdf.EXE"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3340

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\yeni siparis pdf.EXE"
3⤵
PID:4492

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:3496

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2592

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

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:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
MD5
dcdc433d9aacd9b0011db225337f5c70

SHA1
b8cbd002da320a37a604022c033c6cdc344402af

SHA256
14b587c07d74d74ab36c19ae80b0cdb3362d139e8a2be74609e706acf3fb0616

SHA512
0adaa77e9844789ad78d50979a59e4042905c0bf9a6db357858eb6f3f9ad75630eb514451ae96fed4d5829cc61d7637c761b240d5bf73593baa863ed70bc82dc

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrg.ini
MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/316-143-0x00000220BE960000-0x00000220BE970000-memory.dmp

Filesize
64KB

Download
memory/316-145-0x00000220C16E0000-0x00000220C16E4000-memory.dmp

Filesize
16KB

Download
memory/316-144-0x00000220BF020000-0x00000220BF030000-memory.dmp

Filesize
64KB

Download
memory/2488-137-0x0000000008630000-0x000000000873D000-memory.dmp

Filesize
1.1MB

Download
memory/2488-142-0x00000000088F0000-0x0000000008A67000-memory.dmp

Filesize
1.5MB

Download
memory/3340-132-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3340-136-0x00000000009F0000-0x0000000000A04000-memory.dmp

Filesize
80KB

Download
memory/3340-134-0x0000000000A20000-0x0000000000D6A000-memory.dmp

Filesize
3.3MB

Download
memory/3340-135-0x000000000041E000-0x000000000041F000-memory.dmp

Filesize
4KB

Download
memory/4628-141-0x0000000001810000-0x00000000018A3000-memory.dmp

Filesize
588KB

Download
memory/4628-139-0x0000000000F70000-0x0000000000F9D000-memory.dmp

Filesize
180KB

Download
memory/4628-140-0x0000000001980000-0x0000000001CCA000-memory.dmp

Filesize
3.3MB

Download
memory/4628-138-0x0000000000540000-0x000000000054B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads