formbook | ec4bc9d88a6dd7070ebfd8fad799fccd0dd248780a051b0837fe8eddfd189eb1

General

Target

QUOTATIO.exe
Size

548KB
MD5

f47260278fdefc14190e08fea301753b
SHA1

28ddee1b6b033c57e8ce033db930fd7a403acdf2
SHA256

6f9973f8abd9e5fb811ccb04db4fc7063fb01623edd3f53e9a8a20e352ffa8ba
SHA512

3d6e37816c77c86c9137fe1d5d38155d8882d85bedb6dddf49ed64235fae9485a5b0c0e3ad75dbd62b621d1f67b0c26805202afd51f5c7f867a8ecefafb21579

Score

10^/10

formbook dmn rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dmn

Decoy

sadelwatterson.com

iwanttodesignforlitmus.com

familytelco.com

underphone.com

tongyouqu.com

measureuplive.com

550754.top

habermanforcongress.com

elevateyourexit.live

megapolitique.com

annelegrand.design

geotourconsult.com

dahanhg.com

lailaisong.com

selcenkocak.com

jcvsq.com

jhn2.com

mimo103.com

baytownbounce.com

justanothercritic.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/3200-137-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3200-139-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2092-145-0x0000000000690000-0x00000000006BE000-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

Suspicious use of SetThreadContext 3 IoCs

Processes:

QUOTATIO.exeQUOTATIO.exechkdsk.exe

description	pid	process	target process
PID 4308 set thread context of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 3200 set thread context of 1064	3200	QUOTATIO.exe	Explorer.EXE
PID 2092 set thread context of 1064	2092	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

Processes:

QUOTATIO.exeQUOTATIO.exechkdsk.exe

pid	process
4308	QUOTATIO.exe
3200	QUOTATIO.exe
3200	QUOTATIO.exe
3200	QUOTATIO.exe
3200	QUOTATIO.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1064 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

QUOTATIO.exechkdsk.exe

pid process

3200 QUOTATIO.exe
3200 QUOTATIO.exe
3200 QUOTATIO.exe
2092 chkdsk.exe
2092 chkdsk.exe
2092 chkdsk.exe
2092 chkdsk.exe

pid	process
1064	Explorer.EXE

pid	process
3200	QUOTATIO.exe
3200	QUOTATIO.exe
3200	QUOTATIO.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe
2092	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

QUOTATIO.exeQUOTATIO.exechkdsk.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4308	QUOTATIO.exe
Token: SeDebugPrivilege	3200	QUOTATIO.exe
Token: SeDebugPrivilege	2092	chkdsk.exe
Token: SeShutdownPrivilege	1064	Explorer.EXE
Token: SeCreatePagefilePrivilege	1064	Explorer.EXE
Token: SeShutdownPrivilege	1064	Explorer.EXE
Token: SeCreatePagefilePrivilege	1064	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

QUOTATIO.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 4308 wrote to memory of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 4308 wrote to memory of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 4308 wrote to memory of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 4308 wrote to memory of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 4308 wrote to memory of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 4308 wrote to memory of 3200	4308	QUOTATIO.exe	QUOTATIO.exe
PID 1064 wrote to memory of 2092	1064	Explorer.EXE	chkdsk.exe
PID 1064 wrote to memory of 2092	1064	Explorer.EXE	chkdsk.exe
PID 1064 wrote to memory of 2092	1064	Explorer.EXE	chkdsk.exe
PID 2092 wrote to memory of 4492	2092	chkdsk.exe	cmd.exe
PID 2092 wrote to memory of 4492	2092	chkdsk.exe	cmd.exe
PID 2092 wrote to memory of 4492	2092	chkdsk.exe	cmd.exe
PID 2092 wrote to memory of 5100	2092	chkdsk.exe	Firefox.exe
PID 2092 wrote to memory of 5100	2092	chkdsk.exe	Firefox.exe
PID 2092 wrote to memory of 5100	2092	chkdsk.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308

C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3200

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092

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:4492

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:5100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

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\4KO83O42\4KOlogim.jpeg
Filesize
79KB

MD5
c11da29063337116d9f226ed69aa6a58

SHA1
bfc7b7f00ac6b40afc790c064d8674bd520dc77e

SHA256
8cc34987a2c1173b9b397f64076cc1babe9b28133b8c4d0adbc7c5cb959ec18c

SHA512
043d3092e081c4f0caa376c164fb74dfff44fe8e1c9045370215c73d2f61dac8d32db17f4611c501d3ca496271aaff2f5d4c87919120231f521cbe1d44feb35a

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1064-142-0x00000000071C0000-0x0000000007363000-memory.dmp

Filesize
1.6MB

Download
memory/1064-150-0x00000000081E0000-0x0000000008366000-memory.dmp

Filesize
1.5MB

Download
memory/2092-149-0x0000000000C80000-0x0000000000D13000-memory.dmp

Filesize
588KB

Download
memory/2092-144-0x0000000000090000-0x000000000009A000-memory.dmp

Filesize
40KB

Download
memory/2092-146-0x0000000000FE0000-0x000000000132A000-memory.dmp

Filesize
3.3MB

Download
memory/2092-145-0x0000000000690000-0x00000000006BE000-memory.dmp

Filesize
184KB

Download
memory/2092-143-0x0000000000000000-mapping.dmp

Download
memory/3200-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3200-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3200-141-0x00000000012A0000-0x00000000012B4000-memory.dmp

Filesize
80KB

Download
memory/3200-140-0x0000000001740000-0x0000000001A8A000-memory.dmp

Filesize
3.3MB

Download
memory/3200-136-0x0000000000000000-mapping.dmp

Download
memory/4308-130-0x0000000000B50000-0x0000000000BE0000-memory.dmp

Filesize
576KB

Download
memory/4308-135-0x00000000058C0000-0x0000000005916000-memory.dmp

Filesize
344KB

Download
memory/4308-134-0x0000000005580000-0x000000000558A000-memory.dmp

Filesize
40KB

Download
memory/4308-133-0x0000000005680000-0x0000000005712000-memory.dmp

Filesize
584KB

Download
memory/4308-132-0x0000000005C30000-0x00000000061D4000-memory.dmp

Filesize
5.6MB

Download
memory/4308-131-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download
memory/4492-147-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads