formbook | 1276c85709b33cafab4e0079f409ea0c83e41d97e30dcc50a11cce385f10d62e

General

Target

2nd PO389733.exe
Size

351KB
MD5

e4df03f1fc29eb4fc32a0801b26ce6ed
SHA1

1c487bae47d8f81ab5b2f851ace41b3520e0e77e
SHA256

ece024ccd4accbc99e106f03c4b4764765b37615e3caa0b021084ac5f689cc3e
SHA512

f89812a4a5ed11d10c6880e34a2bd34a6f0f96b929fd1bcf3790227505c256abd17ea5f3411529aab9db0c850b3449adcb2399541c52cb3856ebc9800e15f179

Score

10^/10

formbook mmw persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mmw

Decoy

horticulture.biz

sues7011.com

wowingaspf.com

azimutlab.com

lifetiptopics.com

bettersanitary.com

autocuiseur-electrique.com

92kvip.com

scrumguys.com

northwestnova.com

johnzeng.ink

2941brightoncreekct.com

lifewithjulie.com

kurtglobal.net

samuelslang.win

sekolahpaketonline.com

ylfmm.info

rentini.net

fenerliyim.com

indierooftop.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/1268-61-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/1268-62-0x000000000041E2E0-mapping.dmp	formbook
behavioral1/memory/1268-64-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/2036-72-0x00000000000C0000-0x00000000000ED000-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\KV1HBHR0W = "C:\\Program Files (x86)\\Mohlxv\\useryt8h.exe"	ipconfig.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

2nd PO389733.exevbc.exeipconfig.exe

description	pid	process	target process
PID 1528 set thread context of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1268 set thread context of 1208	1268	vbc.exe	Explorer.EXE
PID 2036 set thread context of 1208	2036	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)\Mohlxv\useryt8h.exe ipconfig.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

2036 ipconfig.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Mohlxv\useryt8h.exe	ipconfig.exe

pid	process
2036	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-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

2nd PO389733.exevbc.exeipconfig.exe

pid	process
1528	2nd PO389733.exe
1528	2nd PO389733.exe
1268	vbc.exe
1268	vbc.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

vbc.exeipconfig.exe

pid process

1268 vbc.exe
1268 vbc.exe
1268 vbc.exe
2036 ipconfig.exe
2036 ipconfig.exe
2036 ipconfig.exe
2036 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2nd PO389733.exevbc.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 1528 2nd PO389733.exe
Token: SeDebugPrivilege 1268 vbc.exe
Token: SeDebugPrivilege 2036 ipconfig.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE

pid	process
1268	vbc.exe
1268	vbc.exe
1268	vbc.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe
2036	ipconfig.exe

description	pid	process
Token: SeDebugPrivilege	1528	2nd PO389733.exe
Token: SeDebugPrivilege	1268	vbc.exe
Token: SeDebugPrivilege	2036	ipconfig.exe

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

2nd PO389733.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1528 wrote to memory of 900	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 900	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 900	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 900	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 892	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 892	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 892	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 892	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1528 wrote to memory of 1268	1528	2nd PO389733.exe	vbc.exe
PID 1208 wrote to memory of 2036	1208	Explorer.EXE	ipconfig.exe
PID 1208 wrote to memory of 2036	1208	Explorer.EXE	ipconfig.exe
PID 1208 wrote to memory of 2036	1208	Explorer.EXE	ipconfig.exe
PID 1208 wrote to memory of 2036	1208	Explorer.EXE	ipconfig.exe
PID 2036 wrote to memory of 2004	2036	ipconfig.exe	cmd.exe
PID 2036 wrote to memory of 2004	2036	ipconfig.exe	cmd.exe
PID 2036 wrote to memory of 2004	2036	ipconfig.exe	cmd.exe
PID 2036 wrote to memory of 2004	2036	ipconfig.exe	cmd.exe
PID 2036 wrote to memory of 1500	2036	ipconfig.exe	Firefox.exe
PID 2036 wrote to memory of 1500	2036	ipconfig.exe	Firefox.exe
PID 2036 wrote to memory of 1500	2036	ipconfig.exe	Firefox.exe
PID 2036 wrote to memory of 1500	2036	ipconfig.exe	Firefox.exe
PID 2036 wrote to memory of 1500	2036	ipconfig.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\2nd PO389733.exe
"C:\Users\Admin\AppData\Local\Temp\2nd PO389733.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
3⤵
PID:900

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
3⤵
PID:892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1268

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:2036

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:2004

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1500

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1208-67-0x0000000004C20000-0x0000000004DC7000-memory.dmp

Filesize
1.7MB

Download
memory/1208-75-0x0000000004A00000-0x0000000004B20000-memory.dmp

Filesize
1.1MB

Download
memory/1268-64-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1268-65-0x0000000000B80000-0x0000000000E83000-memory.dmp

Filesize
3.0MB

Download
memory/1268-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1268-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1268-61-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1268-62-0x000000000041E2E0-mapping.dmp

Download
memory/1268-66-0x0000000000380000-0x0000000000394000-memory.dmp

Filesize
80KB

Download
memory/1528-56-0x00000000004E0000-0x00000000004F0000-memory.dmp

Filesize
64KB

Download
memory/1528-54-0x00000000001D0000-0x000000000022E000-memory.dmp

Filesize
376KB

Download
memory/1528-57-0x0000000004D30000-0x0000000004D6A000-memory.dmp

Filesize
232KB

Download
memory/1528-55-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/2004-70-0x0000000000000000-mapping.dmp

Download
memory/2036-68-0x0000000000000000-mapping.dmp

Download
memory/2036-71-0x0000000000C10000-0x0000000000C1A000-memory.dmp

Filesize
40KB

Download
memory/2036-72-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/2036-73-0x0000000002340000-0x0000000002643000-memory.dmp

Filesize
3.0MB

Download
memory/2036-74-0x0000000000510000-0x00000000005A3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads