formbook | bfcaedd79e990385731eb5f9002f6fc719ec6f2e51749765f4f2593ebcab9aef

General

Target

#PO##5678543278...COPY.exe
Size

302KB
MD5

7a3750d52e2491d0360ec5e3cf5f0b1f
SHA1

21a8a81928261c01ce481a14d623663eef5bf2ba
SHA256

430632994b3bcc69911202aa595375009e84accb95b00917bde643fcf031fa4d
SHA512

099dc4fe67a0ef50459a9f137f41eb78bd6b01cdeec9f8f524fd8476346a132ed4bda5b471e87e5a8be90fbb0ff78d2b7c7d9da25340c2d3d1468d1a46ae1387

Score

10^/10

formbook tnk persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tnk

Decoy

lafioletto.com

mgiuj.com

wolllafvixzies.win

wwwsbvip123.com

nadyaasnae.com

noticesinvoice2017.com

intercapati.com

tg8895.com

9245654874.com

lytsxc.info

rffuf3-liquidwebsites.com

verguet.com

peinturefleursetfemmes.com

xttmrama.com

cryptoinvestmentideas.com

kikumasacarparts.win

freeapk1.com

tasteofimagination.com

gxzyoa.com

cq-mingwei.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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2668-133-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/3848-140-0x0000000000E50000-0x0000000000E7D000-memory.dmp	formbook

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:

colorcpl.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HZ7LFTBPLX- = "C:\\Program Files (x86)\\C7nn8or\\enid2szk4lpp0.exe"	colorcpl.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

#PO##5678543278...COPY.exe#PO##5678543278...COPY.execolorcpl.exe

description	pid	process	target process
PID 3708 set thread context of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 2668 set thread context of 3132	2668	#PO##5678543278...COPY.exe	Explorer.EXE
PID 3848 set thread context of 3132	3848	colorcpl.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

colorcpl.exe

description ioc process

File opened for modification C:\Program Files (x86)\C7nn8or\enid2szk4lpp0.exe colorcpl.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\C7nn8or\enid2szk4lpp0.exe	colorcpl.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

#PO##5678543278...COPY.exe#PO##5678543278...COPY.execolorcpl.exe

pid	process
3708	#PO##5678543278...COPY.exe
3708	#PO##5678543278...COPY.exe
2668	#PO##5678543278...COPY.exe
2668	#PO##5678543278...COPY.exe
2668	#PO##5678543278...COPY.exe
2668	#PO##5678543278...COPY.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3132 Explorer.EXE

pid	process
3132	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

#PO##5678543278...COPY.execolorcpl.exe

pid	process
2668	#PO##5678543278...COPY.exe
2668	#PO##5678543278...COPY.exe
2668	#PO##5678543278...COPY.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe
3848	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

#PO##5678543278...COPY.exe#PO##5678543278...COPY.execolorcpl.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3708	#PO##5678543278...COPY.exe
Token: SeDebugPrivilege	2668	#PO##5678543278...COPY.exe
Token: SeDebugPrivilege	3848	colorcpl.exe
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE
Token: SeShutdownPrivilege	3132	Explorer.EXE
Token: SeCreatePagefilePrivilege	3132	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

#PO##5678543278...COPY.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 3708 wrote to memory of 2820	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2820	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2820	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3708 wrote to memory of 2668	3708	#PO##5678543278...COPY.exe	#PO##5678543278...COPY.exe
PID 3132 wrote to memory of 3848	3132	Explorer.EXE	colorcpl.exe
PID 3132 wrote to memory of 3848	3132	Explorer.EXE	colorcpl.exe
PID 3132 wrote to memory of 3848	3132	Explorer.EXE	colorcpl.exe
PID 3848 wrote to memory of 4988	3848	colorcpl.exe	cmd.exe
PID 3848 wrote to memory of 4988	3848	colorcpl.exe	cmd.exe
PID 3848 wrote to memory of 4988	3848	colorcpl.exe	cmd.exe
PID 3848 wrote to memory of 216	3848	colorcpl.exe	cmd.exe
PID 3848 wrote to memory of 216	3848	colorcpl.exe	cmd.exe
PID 3848 wrote to memory of 216	3848	colorcpl.exe	cmd.exe
PID 3848 wrote to memory of 3212	3848	colorcpl.exe	Firefox.exe
PID 3848 wrote to memory of 3212	3848	colorcpl.exe	Firefox.exe
PID 3848 wrote to memory of 3212	3848	colorcpl.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132

C:\Users\Admin\AppData\Local\Temp\#PO##5678543278...COPY.exe
"C:\Users\Admin\AppData\Local\Temp\#PO##5678543278...COPY.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3708

C:\Users\Admin\AppData\Local\Temp\#PO##5678543278...COPY.exe
"{path}"
3⤵
PID:2820

C:\Users\Admin\AppData\Local\Temp\#PO##5678543278...COPY.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2668

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.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:3848

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\#PO##5678543278...COPY.exe"
3⤵
PID:4988

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:216

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

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\Roaming\-1L2OPP-\-1Llogim.jpeg
Filesize
76KB

MD5
18ea9aca2bc6a62390678adeaf50042d

SHA1
8e9801731c25872469b3e1b217cf1e90cf2ce869

SHA256
cb610222aa78c8d0347433017f52f1de7e39f3788e332abafaf1d6d4434a80e7

SHA512
e13bb9900318bc6837d8fe569c4c9ddeee1e874a5868fe09ec9dadc3189d49c0dbbd90c8c580ea11ddcaae1721856c5c76bb8a4d68a14e8297a34fe6dc988c84

Download Submit
C:\Users\Admin\AppData\Roaming\-1L2OPP-\-1Llogrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-1L2OPP-\-1Llogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\-1L2OPP-\-1Llogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-1L2OPP-\-1Llogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/216-145-0x0000000000000000-mapping.dmp

Download
memory/2668-136-0x0000000001920000-0x0000000001934000-memory.dmp

Filesize
80KB

Download
memory/2668-132-0x0000000000000000-mapping.dmp

Download
memory/2668-133-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2668-135-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/2820-131-0x0000000000000000-mapping.dmp

Download
memory/3132-137-0x00000000083F0000-0x000000000851E000-memory.dmp

Filesize
1.2MB

Download
memory/3132-144-0x0000000008520000-0x0000000008675000-memory.dmp

Filesize
1.3MB

Download
memory/3708-130-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3848-138-0x0000000000000000-mapping.dmp

Download
memory/3848-139-0x0000000000990000-0x00000000009A9000-memory.dmp

Filesize
100KB

Download
memory/3848-143-0x0000000002C40000-0x0000000002CD3000-memory.dmp

Filesize
588KB

Download
memory/3848-141-0x0000000002E10000-0x000000000315A000-memory.dmp

Filesize
3.3MB

Download
memory/3848-140-0x0000000000E50000-0x0000000000E7D000-memory.dmp

Filesize
180KB

Download
memory/4988-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads