formbook | be212619b97ee6954f65301efb5027961cebf3ac7ce8edd71dda5872442cea0c

General

Target

Payment Slip.exe
Size

305KB
MD5

959cc1d1577952988bee9d96237dc04f
SHA1

11942e192b6f5f4bba6947653fb070385f42998a
SHA256

9e5404dae4cf7c22028a3d09e99fa532a1f14e0636aa8112d177933a8b066b6c
SHA512

30e5e5f62239042b905a01c7d51f52f7be5668dbe23d4ec63b3a0c8e50f9ccb2f770fce1efbcd3914e842f0762838f8eb0ed9db1eb1fb670c890caaeece8fb70

Score

10^/10

formbook i032 persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.0

Campaign

i032

Decoy

threecraftybitchhs.com

vmbitcoin.com

theeverydayrootsbook.com

perksatwrok.com

oilspilladjustersettlement.com

actiilifecoaching.com

kbv627xlp9o.biz

masterfitnessusa.com

bit-coin-b2b.com

crossfitpoway.com

van-life.info

start.supply

wonobi.com

volunteerfife.com

steamlish.com

fortituderunclub.com

10sweetmasageparlour.com

2espiritus.com

free-part-manuals.net

gocier.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

CoreCCC Packer 1 IoCs

Detects CoreCCC packer used to load .NET malware.

Processes:

resource	yara_rule
behavioral2/memory/4960-130-0x0000000000440000-0x0000000000492000-memory.dmp	coreccc

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4400-138-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/1408-146-0x00000000005C0000-0x00000000005ED000-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:

Payment Slip.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	Payment Slip.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:

control.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	control.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\QPYLU = "C:\\Program Files (x86)\\N0jodh4x0\\of6hzlsxnv1t1.exe"	control.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment Slip.exePayment Slip.execontrol.exe

description	pid	process	target process
PID 4960 set thread context of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 4400 set thread context of 2772	4400	Payment Slip.exe	Explorer.EXE
PID 1408 set thread context of 2772	1408	control.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

control.exe

description ioc process

File opened for modification C:\Program Files (x86)\N0jodh4x0\of6hzlsxnv1t1.exe control.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

3348 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\N0jodh4x0\of6hzlsxnv1t1.exe	control.exe

pid	process
3348	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

control.exe

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

Suspicious behavior: EnumeratesProcesses 51 IoCs

Processes:

Payment Slip.exePayment Slip.execontrol.exe

pid	process
4960	Payment Slip.exe
4400	Payment Slip.exe
4400	Payment Slip.exe
4400	Payment Slip.exe
4400	Payment Slip.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2772 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Payment Slip.execontrol.exe

pid process

4400 Payment Slip.exe
4400 Payment Slip.exe
4400 Payment Slip.exe
1408 control.exe
1408 control.exe
1408 control.exe
1408 control.exe

pid	process
2772	Explorer.EXE

pid	process
4400	Payment Slip.exe
4400	Payment Slip.exe
4400	Payment Slip.exe
1408	control.exe
1408	control.exe
1408	control.exe
1408	control.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Payment Slip.exePayment Slip.execontrol.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4960	Payment Slip.exe
Token: SeDebugPrivilege	4400	Payment Slip.exe
Token: SeDebugPrivilege	1408	control.exe
Token: SeShutdownPrivilege	2772	Explorer.EXE
Token: SeCreatePagefilePrivilege	2772	Explorer.EXE
Token: SeShutdownPrivilege	2772	Explorer.EXE
Token: SeCreatePagefilePrivilege	2772	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Payment Slip.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 4960 wrote to memory of 3348	4960	Payment Slip.exe	schtasks.exe
PID 4960 wrote to memory of 3348	4960	Payment Slip.exe	schtasks.exe
PID 4960 wrote to memory of 3348	4960	Payment Slip.exe	schtasks.exe
PID 4960 wrote to memory of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 4960 wrote to memory of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 4960 wrote to memory of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 4960 wrote to memory of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 4960 wrote to memory of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 4960 wrote to memory of 4400	4960	Payment Slip.exe	Payment Slip.exe
PID 2772 wrote to memory of 1408	2772	Explorer.EXE	control.exe
PID 2772 wrote to memory of 1408	2772	Explorer.EXE	control.exe
PID 2772 wrote to memory of 1408	2772	Explorer.EXE	control.exe
PID 1408 wrote to memory of 4376	1408	control.exe	cmd.exe
PID 1408 wrote to memory of 4376	1408	control.exe	cmd.exe
PID 1408 wrote to memory of 4376	1408	control.exe	cmd.exe
PID 1408 wrote to memory of 4584	1408	control.exe	cmd.exe
PID 1408 wrote to memory of 4584	1408	control.exe	cmd.exe
PID 1408 wrote to memory of 4584	1408	control.exe	cmd.exe
PID 1408 wrote to memory of 4652	1408	control.exe	Firefox.exe
PID 1408 wrote to memory of 4652	1408	control.exe	Firefox.exe
PID 1408 wrote to memory of 4652	1408	control.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UjCdGbhg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A9A.tmp"
3⤵
- Creates scheduled task(s)
PID:3348

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4400

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.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:1408

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
3⤵
PID:4376

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:4584

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4652

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

Replay Monitor

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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\tmp2A9A.tmp
Filesize
1KB

MD5
10c7e0dc0f1dc527957b94a5e1d194af

SHA1
6e62e1ba296bffb8ed44aae4399ebf2ca5288a73

SHA256
388a19ade35573f2c03c0b8978d48e3572704fbb761f9cfbff42230bf6ed22c1

SHA512
3f3be0c125c60cbd6033a9b7c001978e2deacaea28b65dad2b3c41706cd36cb94c64066e202ce2da480d7c6a8dabd7286ff13a473c9c96c916cb2854d6b4b395

Download Submit
C:\Users\Admin\AppData\Roaming\455A374B\455logim.jpeg
Filesize
82KB

MD5
ea87d243f20687fe8f00be732a859128

SHA1
3355db631ed63dcbd1dc88a11325e6cc647f1bd3

SHA256
119835cb594c98c7680b5bf56eaae461ffd417158975cbed10a8f6f85ff25a6d

SHA512
6cc4bb468d017805a88ac176889b39aec8b80b8a2e83d49fc7ee576833c5da7d7cb23ab1f156e90dbc6fe79fdc3c5a33b4b7dd3a3728e385f04bf099a0ea6416

Download Submit
C:\Users\Admin\AppData\Roaming\455A374B\455logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\455A374B\455logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\455A374B\455logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\455A374B\455logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1408-143-0x0000000000000000-mapping.dmp

Download
memory/1408-147-0x0000000002750000-0x0000000002A9A000-memory.dmp

Filesize
3.3MB

Download
memory/1408-148-0x0000000002590000-0x0000000002623000-memory.dmp

Filesize
588KB

Download
memory/1408-145-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/1408-146-0x00000000005C0000-0x00000000005ED000-memory.dmp

Filesize
180KB

Download
memory/2772-149-0x0000000008310000-0x00000000083C1000-memory.dmp

Filesize
708KB

Download
memory/2772-142-0x00000000030B0000-0x0000000003173000-memory.dmp

Filesize
780KB

Download
memory/3348-135-0x0000000000000000-mapping.dmp

Download
memory/4376-144-0x0000000000000000-mapping.dmp

Download
memory/4400-137-0x0000000000000000-mapping.dmp

Download
memory/4400-141-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download
memory/4400-138-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4400-140-0x00000000014B0000-0x00000000017FA000-memory.dmp

Filesize
3.3MB

Download
memory/4584-150-0x0000000000000000-mapping.dmp

Download
memory/4960-130-0x0000000000440000-0x0000000000492000-memory.dmp

Filesize
328KB

Download
memory/4960-134-0x00000000054B0000-0x000000000554C000-memory.dmp

Filesize
624KB

Download
memory/4960-133-0x00000000029E0000-0x00000000029EA000-memory.dmp

Filesize
40KB

Download
memory/4960-132-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/4960-131-0x00000000055A0000-0x0000000005B44000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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