formbook | 7077dc6b11200f419f78a5768af01a0134dbb398c70e373ddd5e5ba5f583472b

General

Target

Contract Documents.exe
Size

344KB
MD5

376d7e1871d7d432b255403e399e6334
SHA1

a2a852627172066b3fbd344abdb3aa985ec35b47
SHA256

6348a886a9796d2fa05cd1792d8299c1a3a66e016b04a115e34c47d49415714d
SHA512

2bd6de7794a465193331a590145c5422ba6ec607b4ec4b98662302e8d7763d41971ee5e84c92052f056a1b8b0584461d99db7cf81b457df08f6d7ef2d5e8436b

Score

10^/10

formbook nfl persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

nfl

Decoy

giacamp.net

qb51.party

mashalevine.com

russiasexdating.com

jitangyy.com

morockin.com

karoreiss.com

tractionhero.today

bienvenueenprovence.net

stormharbour.info

61999h.com

tryandcert.com

bestwaytosuccess.com

laobaochang.com

otomatiktente.com

rehpb.info

ivpdqb.info

dc-wv-wv-ie-q.com

goingmagic.com

cimachain.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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4600-138-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4600-140-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4152-146-0x0000000000D30000-0x0000000000D5A000-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:

Contract Documents.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Contract Documents.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WWAHost.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	WWAHost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPBXN2C0VZS4 = "C:\\Program Files (x86)\\Jspnpa\\tx4pi7n8plfw.exe"	WWAHost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Contract Documents.exeRegSvcs.exeWWAHost.exe

description	pid	process	target process
PID 3040 set thread context of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 4600 set thread context of 2652	4600	RegSvcs.exe	Explorer.EXE
PID 4152 set thread context of 2652	4152	WWAHost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

WWAHost.exe

description ioc process

File opened for modification C:\Program Files (x86)\Jspnpa\tx4pi7n8plfw.exe WWAHost.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

4564 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Jspnpa\tx4pi7n8plfw.exe	WWAHost.exe

pid	process
4564	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

WWAHost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	WWAHost.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

Processes:

Contract Documents.exeRegSvcs.exeWWAHost.exe

pid	process
3040	Contract Documents.exe
4600	RegSvcs.exe
4600	RegSvcs.exe
4600	RegSvcs.exe
4600	RegSvcs.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe
4152	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2652 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exeWWAHost.exe

pid process

4600 RegSvcs.exe
4600 RegSvcs.exe
4600 RegSvcs.exe
4152 WWAHost.exe
4152 WWAHost.exe

pid	process
2652	Explorer.EXE

pid	process
4600	RegSvcs.exe
4600	RegSvcs.exe
4600	RegSvcs.exe
4152	WWAHost.exe
4152	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Contract Documents.exeRegSvcs.exeWWAHost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3040	Contract Documents.exe
Token: SeDebugPrivilege	4600	RegSvcs.exe
Token: SeDebugPrivilege	4152	WWAHost.exe
Token: SeShutdownPrivilege	2652	Explorer.EXE
Token: SeCreatePagefilePrivilege	2652	Explorer.EXE
Token: SeShutdownPrivilege	2652	Explorer.EXE
Token: SeCreatePagefilePrivilege	2652	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Contract Documents.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 3040 wrote to memory of 4564	3040	Contract Documents.exe	schtasks.exe
PID 3040 wrote to memory of 4564	3040	Contract Documents.exe	schtasks.exe
PID 3040 wrote to memory of 4564	3040	Contract Documents.exe	schtasks.exe
PID 3040 wrote to memory of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 3040 wrote to memory of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 3040 wrote to memory of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 3040 wrote to memory of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 3040 wrote to memory of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 3040 wrote to memory of 4600	3040	Contract Documents.exe	RegSvcs.exe
PID 2652 wrote to memory of 4152	2652	Explorer.EXE	WWAHost.exe
PID 2652 wrote to memory of 4152	2652	Explorer.EXE	WWAHost.exe
PID 2652 wrote to memory of 4152	2652	Explorer.EXE	WWAHost.exe
PID 4152 wrote to memory of 4220	4152	WWAHost.exe	cmd.exe
PID 4152 wrote to memory of 4220	4152	WWAHost.exe	cmd.exe
PID 4152 wrote to memory of 4220	4152	WWAHost.exe	cmd.exe
PID 4152 wrote to memory of 876	4152	WWAHost.exe	cmd.exe
PID 4152 wrote to memory of 876	4152	WWAHost.exe	cmd.exe
PID 4152 wrote to memory of 876	4152	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652

C:\Users\Admin\AppData\Local\Temp\Contract Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Contract Documents.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TSOKGNOdzysi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB23E.tmp"
3⤵
- Creates scheduled task(s)
PID:4564

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4600

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Adds 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:4152

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4220

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB23E.tmp
Filesize
1KB

MD5
704c8c5b5ff3b8e6c3b3d0be4b6fa83d

SHA1
381b9fec84de23e6ed12cd5345d3f93978be304f

SHA256
e57d915479c24ee0294fde12ddf4413183eea8a1488b26c47eabf64f597aedbf

SHA512
5a4e024291c1e9b1330c25d5c05ce590938a36f81ddbf5348ee07c92070ac5804fd25f00d3f714a66529420e202c23075fe6178ddb57d6c0dae44a34e30a2ea9

Download Submit
C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logim.jpeg
Filesize
81KB

MD5
0d514c19e03b8f50bb87280a31e224aa

SHA1
1aba442433b93ff5899d21531cd3c91d9c03d699

SHA256
fe52b405676e109747af9c157804ba706bb88b1060ea2bc20db2767fe3a10ad5

SHA512
0bee2c25f8cf630c2c5d97ab0f6eef642c6b74c2519a0753e248584b2cb86d49a653caab1c45080ffa897ba1f12dcb6a5d5e97775777e5c9155ba5716c542541

Download Submit
C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/876-151-0x0000000000000000-mapping.dmp

Download
memory/2652-143-0x0000000008420000-0x00000000085C6000-memory.dmp

Filesize
1.6MB

Download
memory/2652-150-0x00000000085D0000-0x00000000086EC000-memory.dmp

Filesize
1.1MB

Download
memory/3040-131-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/3040-132-0x0000000005690000-0x0000000005722000-memory.dmp

Filesize
584KB

Download
memory/3040-133-0x0000000005650000-0x000000000565A000-memory.dmp

Filesize
40KB

Download
memory/3040-130-0x0000000000D90000-0x0000000000DEA000-memory.dmp

Filesize
360KB

Download
memory/3040-134-0x0000000007E70000-0x0000000007F0C000-memory.dmp

Filesize
624KB

Download
memory/4152-147-0x0000000001D50000-0x000000000209A000-memory.dmp

Filesize
3.3MB

Download
memory/4152-146-0x0000000000D30000-0x0000000000D5A000-memory.dmp

Filesize
168KB

Download
memory/4152-149-0x0000000001A80000-0x0000000001B13000-memory.dmp

Filesize
588KB

Download
memory/4152-145-0x0000000000A30000-0x0000000000B0C000-memory.dmp

Filesize
880KB

Download
memory/4152-144-0x0000000000000000-mapping.dmp

Download
memory/4220-148-0x0000000000000000-mapping.dmp

Download
memory/4564-135-0x0000000000000000-mapping.dmp

Download
memory/4600-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4600-137-0x0000000000000000-mapping.dmp

Download
memory/4600-142-0x00000000013D0000-0x00000000013E4000-memory.dmp

Filesize
80KB

Download
memory/4600-141-0x0000000001750000-0x0000000001A9A000-memory.dmp

Filesize
3.3MB

Download
memory/4600-140-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads