formbook | 44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618

General

Target

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
Size

414KB
MD5

f3becd80be8779dfeb8ca5791f7ffb86
SHA1

91f03335ff735cef93edafc6748d354d08eabe87
SHA256

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618
SHA512

f508be9b45170e7669c69ab6ec4849ddb318ee8d9a0d3ffc906197747de67b94d4c32b8aecb383fee6ce49d7e364a07743c8e3a7ed6e91132219633d65661abb

Score

10^/10

formbook kvsz rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

hdlivesonlinetv24.com

illaheehillsseniorliving.com

wihong.com

christopher-cost.com

huayvipee.com

csdroped.xyz

relationsvivantes.com

xmcombohome.com

qingc2.com

sunsetcinemamusic.com

anotherheadache.com

connectlcv.com

unitermi.com

cugetarileunuisarman.com

agakegois.com

burnercouture.com

ambassador-holidays.com

schnarr-design.com

2013lang.com

httattoos.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/1120-141-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2968-148-0x0000000000380000-0x00000000003AE000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exeRegSvcs.execmmon32.exe

description	pid	process	target process
PID 4064 set thread context of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 1120 set thread context of 3208	1120	RegSvcs.exe	Explorer.EXE
PID 2968 set thread context of 3208	2968	cmmon32.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

636 schtasks.exe

pid	process
636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exeRegSvcs.execmmon32.exe

pid	process
4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
1120	RegSvcs.exe
1120	RegSvcs.exe
1120	RegSvcs.exe
1120	RegSvcs.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe
2968	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3208 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.execmmon32.exe

pid process

1120 RegSvcs.exe
1120 RegSvcs.exe
1120 RegSvcs.exe
2968 cmmon32.exe
2968 cmmon32.exe

pid	process
3208	Explorer.EXE

pid	process
1120	RegSvcs.exe
1120	RegSvcs.exe
1120	RegSvcs.exe
2968	cmmon32.exe
2968	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exeRegSvcs.execmmon32.exe

description	pid	process
Token: SeDebugPrivilege	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
Token: SeDebugPrivilege	1120	RegSvcs.exe
Token: SeDebugPrivilege	2968	cmmon32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 4064 wrote to memory of 636	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	schtasks.exe
PID 4064 wrote to memory of 636	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	schtasks.exe
PID 4064 wrote to memory of 636	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	schtasks.exe
PID 4064 wrote to memory of 4824	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 4824	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 4824	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1124	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1124	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1124	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 4064 wrote to memory of 1120	4064	44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe	RegSvcs.exe
PID 3208 wrote to memory of 2968	3208	Explorer.EXE	cmmon32.exe
PID 3208 wrote to memory of 2968	3208	Explorer.EXE	cmmon32.exe
PID 3208 wrote to memory of 2968	3208	Explorer.EXE	cmmon32.exe
PID 2968 wrote to memory of 3836	2968	cmmon32.exe	cmd.exe
PID 2968 wrote to memory of 3836	2968	cmmon32.exe	cmd.exe
PID 2968 wrote to memory of 3836	2968	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3208

C:\Users\Admin\AppData\Local\Temp\44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe
"C:\Users\Admin\AppData\Local\Temp\44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HTufYRAKxBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC56.tmp"
3⤵
- Creates scheduled task(s)
PID:636

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4824

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1120

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:3836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDC56.tmp
Filesize
1KB

MD5
743111505624ef151253e5ca4720ae85

SHA1
431966eef50c42946d75e1af0bce92144a90a5e6

SHA256
68b756267e27774c6bcf00d2817d111d2f2410aa5efce335ab593f1100bfb8ff

SHA512
0c9e6a7198ff33220bb704db6a13bf8fc8a155ef3bf794162ce10f2684417a6ec9c4c57ca74d85a5c09bd375b0d3b437938c106dbf5b258361f6e0200ea4d34f

Download Submit
memory/636-136-0x0000000000000000-mapping.dmp

Download
memory/1120-144-0x00000000015E0000-0x00000000015F4000-memory.dmp

Filesize
80KB

Download
memory/1120-143-0x00000000017B0000-0x0000000001AFA000-memory.dmp

Filesize
3.3MB

Download
memory/1120-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1120-140-0x0000000000000000-mapping.dmp

Download
memory/1124-139-0x0000000000000000-mapping.dmp

Download
memory/2968-146-0x0000000000000000-mapping.dmp

Download
memory/2968-147-0x0000000000470000-0x000000000047C000-memory.dmp

Filesize
48KB

Download
memory/2968-151-0x00000000023B0000-0x0000000002443000-memory.dmp

Filesize
588KB

Download
memory/2968-149-0x0000000002680000-0x00000000029CA000-memory.dmp

Filesize
3.3MB

Download
memory/2968-148-0x0000000000380000-0x00000000003AE000-memory.dmp

Filesize
184KB

Download
memory/3208-145-0x0000000008AA0000-0x0000000008C22000-memory.dmp

Filesize
1.5MB

Download
memory/3208-152-0x0000000008C30000-0x0000000008DA3000-memory.dmp

Filesize
1.4MB

Download
memory/3836-150-0x0000000000000000-mapping.dmp

Download
memory/4064-131-0x0000000006FF0000-0x000000000708C000-memory.dmp

Filesize
624KB

Download
memory/4064-130-0x0000000000150000-0x00000000001BE000-memory.dmp

Filesize
440KB

Download
memory/4064-132-0x0000000007640000-0x0000000007BE4000-memory.dmp

Filesize
5.6MB

Download
memory/4064-133-0x0000000007130000-0x00000000071C2000-memory.dmp

Filesize
584KB

Download
memory/4064-134-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/4064-135-0x0000000007340000-0x0000000007396000-memory.dmp

Filesize
344KB

Download
memory/4824-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads