formbook | 709b457160612a42a7714a517690760f05b09fb55f61570632500aa14328deec

General

Target

PO101420.exe
Size

837KB
MD5

ff9de567dd3c2aa2ebcb5e0450964875
SHA1

aeb352d5031fa9cd1f5a3e1a69c4c4740634956c
SHA256

709b457160612a42a7714a517690760f05b09fb55f61570632500aa14328deec
SHA512

b850406f9db839d5678997713034106c94c36d500f774ae222a086dcb9e693f450ba686f6ab13f6e9a07bf91e9aa92626a49e73a761d80c502c89f2ab3be279e

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.hundsprobleme.com/fcxy/

Decoy

3dimex.com

heartgem.net

jhfctzdsna.club

lurapures.com

musclegirlfix.com

zebragenetics.com

evyneellis.com

jiaxiaozx.com

kayanmag.com

ufomars.com

liverepaire.com

hitspluz.com

regulargirlhair.com

lafleurdulis.com

secretsseniorengineersknow.com

zoerichards.photos

alphaappraisal.net

southernrussia.com

jbskatingmuseum.com

lawxorder.art

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/304-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/304-8-0x000000000041ECE0-mapping.dmp	formbook
behavioral1/memory/968-9-0x0000000000000000-mapping.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO101420.exeMSBuild.exeipconfig.exe

description	pid	process	target process
PID 1080 set thread context of 304	1080	PO101420.exe	MSBuild.exe
PID 304 set thread context of 1256	304	MSBuild.exe	Explorer.EXE
PID 304 set thread context of 1256	304	MSBuild.exe	Explorer.EXE
PID 968 set thread context of 1256	968	ipconfig.exe	Explorer.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

968 ipconfig.exe

pid	process
968	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

MSBuild.exeipconfig.exe

pid	process
304	MSBuild.exe
304	MSBuild.exe
304	MSBuild.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe
968	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

MSBuild.exeipconfig.exe

pid process

304 MSBuild.exe
304 MSBuild.exe
304 MSBuild.exe
304 MSBuild.exe
968 ipconfig.exe
968 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 304 MSBuild.exe
Token: SeDebugPrivilege 968 ipconfig.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	304	MSBuild.exe
Token: SeDebugPrivilege	968	ipconfig.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO101420.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1080 wrote to memory of 304	1080	PO101420.exe	MSBuild.exe
PID 1256 wrote to memory of 968	1256	Explorer.EXE	ipconfig.exe
PID 1256 wrote to memory of 968	1256	Explorer.EXE	ipconfig.exe
PID 1256 wrote to memory of 968	1256	Explorer.EXE	ipconfig.exe
PID 1256 wrote to memory of 968	1256	Explorer.EXE	ipconfig.exe
PID 968 wrote to memory of 268	968	ipconfig.exe	cmd.exe
PID 968 wrote to memory of 268	968	ipconfig.exe	cmd.exe
PID 968 wrote to memory of 268	968	ipconfig.exe	cmd.exe
PID 968 wrote to memory of 268	968	ipconfig.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:1256

C:\Users\Admin\AppData\Local\Temp\PO101420.exe
"C:\Users\Admin\AppData\Local\Temp\PO101420.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:304

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:968

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:268

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/268-11-0x0000000000000000-mapping.dmp

Download
memory/304-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/304-8-0x000000000041ECE0-mapping.dmp

Download
memory/968-9-0x0000000000000000-mapping.dmp

Download
memory/968-10-0x0000000000930000-0x000000000093A000-memory.dmp

Filesize
40KB

Download
memory/968-12-0x00000000030F0000-0x0000000003254000-memory.dmp

Filesize
1.4MB

Download
memory/1080-2-0x0000000074CF0000-0x00000000753DE000-memory.dmp

Filesize
6.9MB

Download
memory/1080-3-0x0000000000D70000-0x0000000000D71000-memory.dmp

Filesize
4KB

Download
memory/1080-5-0x0000000000480000-0x000000000048E000-memory.dmp

Filesize
56KB

Download
memory/1080-6-0x00000000058C0000-0x000000000594D000-memory.dmp

Filesize
564KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads