formbook | 2a728511ab345b4207ea5959439df12205796548388cc170b427110f9cc247dd

General

Target

SHIPPING DOCUMENT.exe
Size

229KB
MD5

2a7d9a26f63de29bbf21016b055560b1
SHA1

8110d53cc373121512c1fb90c4ce12fedc07803a
SHA256

2a728511ab345b4207ea5959439df12205796548388cc170b427110f9cc247dd
SHA512

4bb88aaa2c8f9d8d3ecbc53910b20c1eb121222f31503792196cac567f640125e75e92c99147732d24db24ae7d81f01a0fca7c1ba3627a1565c9702e89303cc3

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.knighttechinca.com/dxe/

Decoy

sardarfarm.com

959tremont.com

privat-livecam.net

ansel-homebakery.com

joysupermarket.com

peninsulamatchmakers.net

northsytyle.com

radioconexaoubermusic.com

relocatingrealtor.com

desyrnan.com

onlinehoortoestel.online

enpointe.online

rvvikings.com

paulpoirier.com

shitarpa.net

kerneis.net

rokitreach.com

essentiallygaia.com

prestiged.net

fuerzaagavera.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
behavioral1/memory/2028-64-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1468-74-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1740 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

SHIPPING DOCUMENT.exe

pid process

1796 SHIPPING DOCUMENT.exe

pid	process
1740	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SHIPPING DOCUMENT.exeSHIPPING DOCUMENT.exeipconfig.exe

description	pid	process	target process
PID 1796 set thread context of 2028	1796	SHIPPING DOCUMENT.exe	SHIPPING DOCUMENT.exe
PID 2028 set thread context of 1212	2028	SHIPPING DOCUMENT.exe	Explorer.EXE
PID 2028 set thread context of 1212	2028	SHIPPING DOCUMENT.exe	Explorer.EXE
PID 1468 set thread context of 1212	1468	ipconfig.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
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

1468 ipconfig.exe

pid	process
1468	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

SHIPPING DOCUMENT.exeipconfig.exe

pid	process
2028	SHIPPING DOCUMENT.exe
2028	SHIPPING DOCUMENT.exe
2028	SHIPPING DOCUMENT.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe
1468	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE

pid	process
1212	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SHIPPING DOCUMENT.exeSHIPPING DOCUMENT.exeipconfig.exe

pid	process
1796	SHIPPING DOCUMENT.exe
2028	SHIPPING DOCUMENT.exe
2028	SHIPPING DOCUMENT.exe
2028	SHIPPING DOCUMENT.exe
2028	SHIPPING DOCUMENT.exe
1468	ipconfig.exe
1468	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SHIPPING DOCUMENT.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 2028 SHIPPING DOCUMENT.exe
Token: SeDebugPrivilege 1468 ipconfig.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2028	SHIPPING DOCUMENT.exe
Token: SeDebugPrivilege	1468	ipconfig.exe

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

SHIPPING DOCUMENT.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1796 wrote to memory of 2028	1796	SHIPPING DOCUMENT.exe	SHIPPING DOCUMENT.exe
PID 1796 wrote to memory of 2028	1796	SHIPPING DOCUMENT.exe	SHIPPING DOCUMENT.exe
PID 1796 wrote to memory of 2028	1796	SHIPPING DOCUMENT.exe	SHIPPING DOCUMENT.exe
PID 1796 wrote to memory of 2028	1796	SHIPPING DOCUMENT.exe	SHIPPING DOCUMENT.exe
PID 1796 wrote to memory of 2028	1796	SHIPPING DOCUMENT.exe	SHIPPING DOCUMENT.exe
PID 1212 wrote to memory of 1468	1212	Explorer.EXE	ipconfig.exe
PID 1212 wrote to memory of 1468	1212	Explorer.EXE	ipconfig.exe
PID 1212 wrote to memory of 1468	1212	Explorer.EXE	ipconfig.exe
PID 1212 wrote to memory of 1468	1212	Explorer.EXE	ipconfig.exe
PID 1468 wrote to memory of 1740	1468	ipconfig.exe	cmd.exe
PID 1468 wrote to memory of 1740	1468	ipconfig.exe	cmd.exe
PID 1468 wrote to memory of 1740	1468	ipconfig.exe	cmd.exe
PID 1468 wrote to memory of 1740	1468	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1796

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2028

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"
3⤵
- Deletes itself
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsn5247.tmp\yg69z2kr0.dll
MD5
cf41dfdbe7d97c55ed8f185286d3c113

SHA1
4113c1310169af016c663b562bc6a65c60a9618a

SHA256
7f2094ea72a8f87da7b2291f0093567b6ba766442f024b5be3f81ade371e7c22

SHA512
2c034c004deb528d8c417781e5f786cf45ff66651662a524b37dab11a6b7616cfc3009daa1e8749d6c0255fed3f89d63956ff441653293467a68758803f1dd3f

Download Submit
memory/1212-77-0x0000000007FE0000-0x0000000008160000-memory.dmp

Filesize
1.5MB

Download
memory/1212-67-0x0000000004030000-0x000000000411C000-memory.dmp

Filesize
944KB

Download
memory/1212-69-0x0000000006A00000-0x0000000006B0E000-memory.dmp

Filesize
1.1MB

Download
memory/1468-73-0x00000000006B0000-0x00000000006BA000-memory.dmp

Filesize
40KB

Download
memory/1468-76-0x0000000000610000-0x00000000006A3000-memory.dmp

Filesize
588KB

Download
memory/1468-75-0x00000000020D0000-0x00000000023D3000-memory.dmp

Filesize
3.0MB

Download
memory/1468-74-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1468-70-0x0000000000000000-mapping.dmp

Download
memory/1740-72-0x0000000000000000-mapping.dmp

Download
memory/1796-62-0x0000000000370000-0x0000000000372000-memory.dmp

Filesize
8KB

Download
memory/1796-60-0x0000000076A01000-0x0000000076A03000-memory.dmp

Filesize
8KB

Download
memory/2028-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2028-68-0x00000000006C0000-0x00000000006D4000-memory.dmp

Filesize
80KB

Download
memory/2028-66-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/2028-65-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/2028-63-0x000000000041EAF0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads