formbook | 311b93b14784397cf373e4e6a7dfe76df264b4899e734cfc8ef031c004506f86

General

Target

DHLAWB TRACKING DETAILS..exe
Size

300KB
MD5

04b64453c95193d6cebe5b7d00915d75
SHA1

4ab5e5fd31ab5d071ab09d8543ebe9551f63b2b1
SHA256

967a6989b7dedfe073c92760bb62a30fa4348109a839d987fe9a0bce6d1d5f2d
SHA512

ad1ab62df00b201d0893a001cc0d789b1b6a8c32a849d69fdc7620f3e2aedca426ba434386fcc513c0cf13eab66a1a0ebc5c146c33d7e2b1699367853414b3c0

Score

10^/10

formbook eb96 persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

eb96

Decoy

mcoutinhoparedes.seat

assestsmagazine.com

giveaway-4skaters.win

upgradetolifestyle.com

imagingnetworkri.net

51wwjf.com

hypstop.com

xn--aupetitsoindescurs-8jd.com

zhijipifu.com

lfqbzx.com

xn--fiqxlo3jzoe6w0e.com

ayhalo.com

rendcarparts.net

speekeesy.com

chillwalle.com

nama-no.com

spidermonkeytattoos.net

leaderhebei.com

syspatch.net

indigrup.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

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1360-60-0x000000000041B6F0-mapping.dmp	formbook
behavioral1/memory/1360-59-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1360-62-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/952-69-0x00000000000C0000-0x00000000000EA000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

240 cmd.exe

pid	process
240	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	chkdsk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JPALGHXX0L = "C:\\Program Files (x86)\\Mzv1pnz\\winf0j8u8e8.exe"	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

DHLAWB TRACKING DETAILS..exeDHLAWB TRACKING DETAILS..exechkdsk.exe

description	pid	process	target process
PID 976 set thread context of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 1360 set thread context of 1232	1360	DHLAWB TRACKING DETAILS..exe	Explorer.EXE
PID 952 set thread context of 1232	952	chkdsk.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

chkdsk.exe

description ioc process

File opened for modification C:\Program Files (x86)\Mzv1pnz\winf0j8u8e8.exe chkdsk.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
File opened for modification	C:\Program Files (x86)\Mzv1pnz\winf0j8u8e8.exe	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-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

DHLAWB TRACKING DETAILS..exeDHLAWB TRACKING DETAILS..exechkdsk.exe

pid	process
976	DHLAWB TRACKING DETAILS..exe
976	DHLAWB TRACKING DETAILS..exe
1360	DHLAWB TRACKING DETAILS..exe
1360	DHLAWB TRACKING DETAILS..exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe
952	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DHLAWB TRACKING DETAILS..exechkdsk.exe

pid process

1360 DHLAWB TRACKING DETAILS..exe
1360 DHLAWB TRACKING DETAILS..exe
1360 DHLAWB TRACKING DETAILS..exe
952 chkdsk.exe
952 chkdsk.exe

pid	process
1360	DHLAWB TRACKING DETAILS..exe
1360	DHLAWB TRACKING DETAILS..exe
1360	DHLAWB TRACKING DETAILS..exe
952	chkdsk.exe
952	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHLAWB TRACKING DETAILS..exeDHLAWB TRACKING DETAILS..exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	976	DHLAWB TRACKING DETAILS..exe
Token: SeDebugPrivilege	1360	DHLAWB TRACKING DETAILS..exe
Token: SeDebugPrivilege	952	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DHLAWB TRACKING DETAILS..exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 976 wrote to memory of 1360	976	DHLAWB TRACKING DETAILS..exe	DHLAWB TRACKING DETAILS..exe
PID 1232 wrote to memory of 952	1232	Explorer.EXE	chkdsk.exe
PID 1232 wrote to memory of 952	1232	Explorer.EXE	chkdsk.exe
PID 1232 wrote to memory of 952	1232	Explorer.EXE	chkdsk.exe
PID 1232 wrote to memory of 952	1232	Explorer.EXE	chkdsk.exe
PID 952 wrote to memory of 240	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 240	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 240	952	chkdsk.exe	cmd.exe
PID 952 wrote to memory of 240	952	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\DHLAWB TRACKING DETAILS..exe
"C:\Users\Admin\AppData\Local\Temp\DHLAWB TRACKING DETAILS..exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976

C:\Users\Admin\AppData\Local\Temp\DHLAWB TRACKING DETAILS..exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1360

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:952

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DHLAWB TRACKING DETAILS..exe"
3⤵
- Deletes itself
PID:240

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

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\95A926UA\95Alogim.jpeg
Filesize
62KB

MD5
b90251bf9c34ae7ff6fdd07cc985f132

SHA1
16b6aa4bf492224371b66d93cd087742c31e30e5

SHA256
0ae7b1b811c3eeea9c917a1024cca6923fa54a4c73e1739e9d6c7c35d9c9fc6c

SHA512
dc133c320f9330ad6a576271fc84806e9414dc7bfc712e57929b30fbb63763ad3100fb10352ce6d199bd00af22d6d8cd5a18a8eeee0b7ed702d8cc60035fcb44

Download Submit
C:\Users\Admin\AppData\Roaming\95A926UA\95Alogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\95A926UA\95Alogrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/240-67-0x0000000000000000-mapping.dmp

Download
memory/952-71-0x0000000001E80000-0x0000000001F13000-memory.dmp

Filesize
588KB

Download
memory/952-69-0x00000000000C0000-0x00000000000EA000-memory.dmp

Filesize
168KB

Download
memory/952-66-0x0000000000000000-mapping.dmp

Download
memory/952-70-0x0000000002040000-0x0000000002343000-memory.dmp

Filesize
3.0MB

Download
memory/952-68-0x0000000000380000-0x0000000000387000-memory.dmp

Filesize
28KB

Download
memory/976-55-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/976-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1232-65-0x0000000005EF0000-0x0000000005FD6000-memory.dmp

Filesize
920KB

Download
memory/1232-72-0x0000000004340000-0x00000000043FC000-memory.dmp

Filesize
752KB

Download
memory/1360-64-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1360-57-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1360-63-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/1360-56-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1360-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1360-60-0x000000000041B6F0-mapping.dmp

Download
memory/1360-62-0x0000000000400000-0x000000000042A000-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