formbook | cdcad4e6bf31338fa80cac158d6225a9253184ae6344a77416e0ae7fa0993619

General

Target

????? ??? ??????????? ?????? ???.exe
Size

1.2MB
MD5

67b1e695bae2dfd1ffe6d1a85141509f
SHA1

0ad01e9af94cb6ce3247d9b5f09b2655f4b486dc
SHA256

c5ccddfa0f7ee807513279b0195460cd48f3b36f2154c93ff3945fe30c647dde
SHA512

a90f986a2cd2dc0e18050a8006c0d19bd76f714c12546fa7b91485b59dee1031b51674049d127f05aee896337c9e758625132f763e534cc30cf549e07972f4b9

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

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
behavioral2/memory/2336-130-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/2336-131-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/1432-138-0x0000000000F00000-0x0000000000F2D000-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:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\NBCXWLT8YJM = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	cscript.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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	cscript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.execscript.exe

description	pid	process	target process
PID 2336 set thread context of 2832	2336	ieinstal.exe	Explorer.EXE
PID 1432 set thread context of 2832	1432	cscript.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

ieinstal.execscript.exe

pid	process
2336	ieinstal.exe
2336	ieinstal.exe
2336	ieinstal.exe
2336	ieinstal.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe
1432	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2832 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.execscript.exe

pid process

2336 ieinstal.exe
2336 ieinstal.exe
2336 ieinstal.exe
1432 cscript.exe
1432 cscript.exe
1432 cscript.exe
1432 cscript.exe

pid	process
2832	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ieinstal.execscript.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2336	ieinstal.exe
Token: SeDebugPrivilege	1432	cscript.exe
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

_____ ___ ___________ ______ ___.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1988 wrote to memory of 2336	1988	_____ ___ ___________ ______ ___.exe	ieinstal.exe
PID 1988 wrote to memory of 2336	1988	_____ ___ ___________ ______ ___.exe	ieinstal.exe
PID 1988 wrote to memory of 2336	1988	_____ ___ ___________ ______ ___.exe	ieinstal.exe
PID 1988 wrote to memory of 2336	1988	_____ ___ ___________ ______ ___.exe	ieinstal.exe
PID 1988 wrote to memory of 2336	1988	_____ ___ ___________ ______ ___.exe	ieinstal.exe
PID 1988 wrote to memory of 2336	1988	_____ ___ ___________ ______ ___.exe	ieinstal.exe
PID 2832 wrote to memory of 1432	2832	Explorer.EXE	cscript.exe
PID 2832 wrote to memory of 1432	2832	Explorer.EXE	cscript.exe
PID 2832 wrote to memory of 1432	2832	Explorer.EXE	cscript.exe
PID 1432 wrote to memory of 256	1432	cscript.exe	cmd.exe
PID 1432 wrote to memory of 256	1432	cscript.exe	cmd.exe
PID 1432 wrote to memory of 256	1432	cscript.exe	cmd.exe
PID 1432 wrote to memory of 4964	1432	cscript.exe	Firefox.exe
PID 1432 wrote to memory of 4964	1432	cscript.exe	Firefox.exe
PID 1432 wrote to memory of 4964	1432	cscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2832

C:\Users\Admin\AppData\Local\Temp\_____ ___ ___________ ______ ___.exe
"C:\Users\Admin\AppData\Local\Temp\_____ ___ ___________ ______ ___.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2336

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432

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:256

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

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\-65A6372\-65logim.jpeg
Filesize
81KB

MD5
d14a8b2152333067d419d61e198bac22

SHA1
5ad2f9a8ef9efad43e9cd7c33bcb2212c60f3478

SHA256
56849428edf7efb5e503bd4ae451d3c84b9ea35db4cacd073c0c5a220cb9cc67

SHA512
6ad7e4c67fe3ab43308187dcfdedaace2de067aefdcf0d3766b66aa2f57e1f5b7a0fd17b64eed41bc426c7b690e2566bd027697210d2da084d119a7fbba20e12

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/256-140-0x0000000000000000-mapping.dmp

Download
memory/1432-139-0x0000000003020000-0x000000000336A000-memory.dmp

Filesize
3.3MB

Download
memory/1432-138-0x0000000000F00000-0x0000000000F2D000-memory.dmp

Filesize
180KB

Download
memory/1432-137-0x0000000000010000-0x0000000000037000-memory.dmp

Filesize
156KB

Download
memory/1432-136-0x0000000000000000-mapping.dmp

Download
memory/1432-142-0x0000000002D90000-0x0000000002E23000-memory.dmp

Filesize
588KB

Download
memory/2336-130-0x0000000000000000-mapping.dmp

Download
memory/2336-134-0x00000000009A0000-0x00000000009B4000-memory.dmp

Filesize
80KB

Download
memory/2336-133-0x0000000002550000-0x000000000289A000-memory.dmp

Filesize
3.3MB

Download
memory/2336-131-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/2832-135-0x00000000084B0000-0x00000000085A6000-memory.dmp

Filesize
984KB

Download
memory/2832-143-0x0000000008790000-0x000000000886D000-memory.dmp

Filesize
884KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads