formbook | dbb2e50bc17ff79ae31d01a04ebc0f516a04ac28b5ffdd556a3dfc0541de5e3c

General

Target

Swift Copy Pdf.exe
Size

324KB
MD5

9a426dc20fda9d009e9420df7b25d4be
SHA1

ee1b322966cc4c1c51a2d2cdf42146b9df551a0d
SHA256

a50d19ddd0b87fdc2529cfb1676f14297125443103286553fbcdf4ffa989f8e7
SHA512

21d19354008766a248a29ddeedfdf46320dd78fb478d480f941d47ea48028ca8843c816013d95ecec84c7fbe14bc1917fde1658b74cc54abaee93edfd065fd24

Score

10^/10

formbook h0d evasion persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

h0d

Decoy

goredfriday.com

ez-sleep.com

xydrgzx.com

paintersjacksonville.com

878212315.com

hotchatcams.com

cavalierwebsolutions.com

spirituellleben.com

emeraldjaya.com

dxyuq.info

rupturefarms.info

cajunnavygear.com

fsqdi.info

thegettinplacewhy.com

z0oav.com

conceptionfitness.com

kraftinvest.info

youngpeoplefutureofnews.com

cvmascotas.net

mundoconnection.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3704-132-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4852-139-0x0000000000FD0000-0x0000000000FFA000-memory.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\R8_LGHTHNX_ = "C:\\Program Files (x86)\\F3f6hzl\\bhl0j_hkpt.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Swift Copy Pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Swift Copy Pdf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Swift Copy Pdf.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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Swift Copy Pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Swift Copy Pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Swift Copy Pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Swift Copy Pdf.exeSwift Copy Pdf.exeexplorer.exe

description	pid	process	target process
PID 4772 set thread context of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 3704 set thread context of 2652	3704	Swift Copy Pdf.exe	Explorer.EXE
PID 4852 set thread context of 2652	4852	explorer.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Program Files (x86)\F3f6hzl\bhl0j_hkpt.exe explorer.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\F3f6hzl\bhl0j_hkpt.exe	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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

Swift Copy Pdf.exeexplorer.exe

pid	process
3704	Swift Copy Pdf.exe
3704	Swift Copy Pdf.exe
3704	Swift Copy Pdf.exe
3704	Swift Copy Pdf.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe
4852	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2652 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Swift Copy Pdf.exeexplorer.exe

pid process

3704 Swift Copy Pdf.exe
3704 Swift Copy Pdf.exe
3704 Swift Copy Pdf.exe
4852 explorer.exe
4852 explorer.exe

pid	process
2652	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Swift Copy Pdf.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3704	Swift Copy Pdf.exe
Token: SeDebugPrivilege	4852	explorer.exe
Token: SeShutdownPrivilege	2652	Explorer.EXE
Token: SeCreatePagefilePrivilege	2652	Explorer.EXE
Token: SeShutdownPrivilege	2652	Explorer.EXE
Token: SeCreatePagefilePrivilege	2652	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Swift Copy Pdf.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 4772 wrote to memory of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 4772 wrote to memory of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 4772 wrote to memory of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 4772 wrote to memory of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 4772 wrote to memory of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 4772 wrote to memory of 3704	4772	Swift Copy Pdf.exe	Swift Copy Pdf.exe
PID 2652 wrote to memory of 4852	2652	Explorer.EXE	explorer.exe
PID 2652 wrote to memory of 4852	2652	Explorer.EXE	explorer.exe
PID 2652 wrote to memory of 4852	2652	Explorer.EXE	explorer.exe
PID 4852 wrote to memory of 3288	4852	explorer.exe	cmd.exe
PID 4852 wrote to memory of 3288	4852	explorer.exe	cmd.exe
PID 4852 wrote to memory of 3288	4852	explorer.exe	cmd.exe
PID 4852 wrote to memory of 1068	4852	explorer.exe	cmd.exe
PID 4852 wrote to memory of 1068	4852	explorer.exe	cmd.exe
PID 4852 wrote to memory of 1068	4852	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652

C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe"
2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3704

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:4852

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe"
3⤵
PID:3288

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:1068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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C:\Users\Admin\AppData\Roaming\K354TO33\K35logim.jpeg

Filesize
81KB

MD5
4a1b6c6b4b2a1d374143815d28669fe7

SHA1
f3fb3aebdd70eab3b9047b19d88e5f1f14599558

SHA256
6323f97307e69b6a303362b90c233ac3ece144d2cb6aa96f71d0cc6098f7155c

SHA512
e4a0fddd3add2720911d8fab699b97a7974cddc70b3d1dc4e71e8a14aae02b092d2fbf3fa72a399061d68feb5be27f429484d433ccd910c73cb338e6e0cbb115

Download Submit
C:\Users\Admin\AppData\Roaming\K354TO33\K35logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\K354TO33\K35logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\K354TO33\K35logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1068-144-0x0000000000000000-mapping.dmp

Download
memory/2652-136-0x0000000008B50000-0x0000000008CD2000-memory.dmp

Filesize
1.5MB

Download
memory/2652-143-0x00000000087B0000-0x0000000008876000-memory.dmp

Filesize
792KB

Download
memory/3288-141-0x0000000000000000-mapping.dmp

Download
memory/3704-135-0x0000000001670000-0x0000000001684000-memory.dmp

Filesize
80KB

Download
memory/3704-134-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/3704-132-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3704-131-0x0000000000000000-mapping.dmp

Download
memory/4772-130-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/4852-140-0x0000000003210000-0x000000000355A000-memory.dmp

Filesize
3.3MB

Download
memory/4852-142-0x0000000002F50000-0x0000000002FE3000-memory.dmp

Filesize
588KB

Download
memory/4852-139-0x0000000000FD0000-0x0000000000FFA000-memory.dmp

Filesize
168KB

Download
memory/4852-138-0x0000000000350000-0x0000000000783000-memory.dmp

Filesize
4.2MB

Download
memory/4852-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads