formbook | 35db64bb80ae718b8b9950b4403bd9137635d327bef811d0a20d1e51e6880116

General

Target

swift copy.exe
Size

573KB
MD5

51ed5644fa60ea88173be008966c2c1d
SHA1

e73015b1433639e1a2be19d26b6a5a3b8b39dfc2
SHA256

eddcaacc8947b326dd6998c90175846c76375ee953074668354ac72dba27ffdf
SHA512

b64bcfd74a38f372c687935590624d31d759df1e913d082e490c025797f00c50f4fa2dbf961a888196f2d151f175bec6227105a6ac372071a696608a710c7c97

Score

10^/10

formbook b1v persistence rat rezer0 spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

b1v

Decoy

regaloscoletivos.com

bedavasiteler.com

gutbrod-helfer.com

lfp1979.com

qtgermany.net

clevelandwebsitesolutions.com

clssport.com

mercurydrivers.com

fair1financial.com

danieleragatzu.com

airstrats.com

willowporch.com

qeampfdb.com

apexjoy.com

hortifloral.com

timessquarebagelburgers.com

jryasb.info

voicetalent.online

fgzwq.com

btobtoyz.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1112-62-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1112-63-0x000000000041B640-mapping.dmp	formbook
behavioral1/memory/1112-65-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2032-72-0x00000000000D0000-0x00000000000FA000-memory.dmp	formbook

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/784-58-0x0000000002050000-0x0000000002088000-memory.dmp	rezer0

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\TR4TQ2EH = "C:\\Program Files (x86)\\Drfihdx\\gdienjpz.exe"	wlanext.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1988 cmd.exe

pid	process
1988	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

swift copy.exeswift copy.exewlanext.exe

description	pid	process	target process
PID 784 set thread context of 1112	784	swift copy.exe	swift copy.exe
PID 1112 set thread context of 1268	1112	swift copy.exe	Explorer.EXE
PID 2032 set thread context of 1268	2032	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\Drfihdx\gdienjpz.exe wlanext.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Drfihdx\gdienjpz.exe	wlanext.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

swift copy.exeswift copy.exewlanext.exe

pid	process
784	swift copy.exe
784	swift copy.exe
1112	swift copy.exe
1112	swift copy.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe
2032	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

swift copy.exewlanext.exe

pid process

1112 swift copy.exe
1112 swift copy.exe
1112 swift copy.exe
2032 wlanext.exe
2032 wlanext.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

swift copy.exeswift copy.exewlanext.exe

description pid process

Token: SeDebugPrivilege 784 swift copy.exe
Token: SeDebugPrivilege 1112 swift copy.exe
Token: SeDebugPrivilege 2032 wlanext.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1112	swift copy.exe
1112	swift copy.exe
1112	swift copy.exe
2032	wlanext.exe
2032	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	784	swift copy.exe
Token: SeDebugPrivilege	1112	swift copy.exe
Token: SeDebugPrivilege	2032	wlanext.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

swift copy.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 784 wrote to memory of 1112	784	swift copy.exe	swift copy.exe
PID 1268 wrote to memory of 2032	1268	Explorer.EXE	wlanext.exe
PID 1268 wrote to memory of 2032	1268	Explorer.EXE	wlanext.exe
PID 1268 wrote to memory of 2032	1268	Explorer.EXE	wlanext.exe
PID 1268 wrote to memory of 2032	1268	Explorer.EXE	wlanext.exe
PID 2032 wrote to memory of 1988	2032	wlanext.exe	cmd.exe
PID 2032 wrote to memory of 1988	2032	wlanext.exe	cmd.exe
PID 2032 wrote to memory of 1988	2032	wlanext.exe	cmd.exe
PID 2032 wrote to memory of 1988	2032	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\swift copy.exe
"C:\Users\Admin\AppData\Local\Temp\swift copy.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784

C:\Users\Admin\AppData\Local\Temp\swift copy.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1112

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:2032

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\swift copy.exe"
3⤵
- Deletes itself
PID:1988

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\-L601-V1\-L6logim.jpeg
Filesize
63KB

MD5
3b95c02ac49787f9e3c9b32797a35958

SHA1
608ecc8d8318afb5042e1c303564eb40b97791fc

SHA256
44f5b11da83d3d5adf5007c628a6bad4110bd3c653dd1c16abde58c53f1cfb80

SHA512
8660327e42f6eeabc1f1115d531c3659288d0fb278507b3087dfb6a0ae9ff347d02b827f79103f30a140f5a794be44280f3e3c4277845618f747127acf4b0391

Download Submit
C:\Users\Admin\AppData\Roaming\-L601-V1\-L6logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-L601-V1\-L6logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/784-54-0x0000000000100000-0x0000000000198000-memory.dmp

Filesize
608KB

Download
memory/784-55-0x00000000006C0000-0x00000000006FC000-memory.dmp

Filesize
240KB

Download
memory/784-56-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/784-57-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/784-58-0x0000000002050000-0x0000000002088000-memory.dmp

Filesize
224KB

Download
memory/1112-66-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/1112-63-0x000000000041B640-mapping.dmp

Download
memory/1112-67-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/1112-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1112-65-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1112-60-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1112-62-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1268-75-0x0000000006690000-0x00000000067A7000-memory.dmp

Filesize
1.1MB

Download
memory/1268-68-0x0000000006C20000-0x0000000006D5C000-memory.dmp

Filesize
1.2MB

Download
memory/1988-70-0x0000000000000000-mapping.dmp

Download
memory/2032-71-0x0000000000280000-0x0000000000296000-memory.dmp

Filesize
88KB

Download
memory/2032-74-0x0000000001D50000-0x0000000001DE3000-memory.dmp

Filesize
588KB

Download
memory/2032-73-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/2032-72-0x00000000000D0000-0x00000000000FA000-memory.dmp

Filesize
168KB

Download
memory/2032-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads