formbook | 6c0726019c69676d072d2680a142cbe4d194b8b9cd61fa7833b54e0f6dce299a

General

Target

opTrJaglOqdy9oE.exe
Size

553KB
MD5

ed5ff25257d74b36a35c3a171dd754cc
SHA1

238a3737b3458e3ad2dcef135e9086f6be65811b
SHA256

a8534e310ee42756cfc01caf1eeddc8f4bca6e7e7f36de1a90f5c6ccc480e90a
SHA512

5f262537948b58769264dc896a2defd7d5a982e01ed7c7e3be12647e861a0c119e166e50b776be315015d66c5425183eac78094dc38fc41cab319f38fe91a00a

Score

10^/10

formbook aq3x rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

aq3x

Decoy

atinderellastory.com

transylvaniawanderlust.com

b9x1muhzjm4.biz

questmfgtech.net

globalsmartcoin.com

wine-worldtour.com

boerauto.com

lovelybakingco.com

mosikito.com

valorea-immobilier.com

szts168.net

emarkage.com

extraordinarylivingstore.com

ihatehunger.com

animoji.zone

robocovers.com

refengmo.com

beckomedia.com

rifitumab.com

vfatgroup.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1240-64-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1240-65-0x000000000041EDE0-mapping.dmp	formbook
behavioral1/memory/1848-73-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

opTrJaglOqdy9oE.exeopTrJaglOqdy9oE.exeNETSTAT.EXE

description	pid	process	target process
PID 536 set thread context of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 1240 set thread context of 1208	1240	opTrJaglOqdy9oE.exe	Explorer.EXE
PID 1848 set thread context of 1208	1848	NETSTAT.EXE	Explorer.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

1376 schtasks.exe
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1848 NETSTAT.EXE

pid	process
1376	schtasks.exe

pid	process
1848	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

opTrJaglOqdy9oE.exeopTrJaglOqdy9oE.exeNETSTAT.EXE

pid	process
536	opTrJaglOqdy9oE.exe
1240	opTrJaglOqdy9oE.exe
1240	opTrJaglOqdy9oE.exe
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

opTrJaglOqdy9oE.exeNETSTAT.EXE

pid process

1240 opTrJaglOqdy9oE.exe
1240 opTrJaglOqdy9oE.exe
1240 opTrJaglOqdy9oE.exe
1848 NETSTAT.EXE
1848 NETSTAT.EXE
1848 NETSTAT.EXE
1848 NETSTAT.EXE

pid	process
1240	opTrJaglOqdy9oE.exe
1240	opTrJaglOqdy9oE.exe
1240	opTrJaglOqdy9oE.exe
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE
1848	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

opTrJaglOqdy9oE.exeopTrJaglOqdy9oE.exeNETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	536	opTrJaglOqdy9oE.exe
Token: SeDebugPrivilege	1240	opTrJaglOqdy9oE.exe
Token: SeDebugPrivilege	1848	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

opTrJaglOqdy9oE.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 536 wrote to memory of 1376	536	opTrJaglOqdy9oE.exe	schtasks.exe
PID 536 wrote to memory of 1376	536	opTrJaglOqdy9oE.exe	schtasks.exe
PID 536 wrote to memory of 1376	536	opTrJaglOqdy9oE.exe	schtasks.exe
PID 536 wrote to memory of 1376	536	opTrJaglOqdy9oE.exe	schtasks.exe
PID 536 wrote to memory of 1324	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1324	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1324	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1324	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 536 wrote to memory of 1240	536	opTrJaglOqdy9oE.exe	opTrJaglOqdy9oE.exe
PID 1208 wrote to memory of 1848	1208	Explorer.EXE	NETSTAT.EXE
PID 1208 wrote to memory of 1848	1208	Explorer.EXE	NETSTAT.EXE
PID 1208 wrote to memory of 1848	1208	Explorer.EXE	NETSTAT.EXE
PID 1208 wrote to memory of 1848	1208	Explorer.EXE	NETSTAT.EXE
PID 1848 wrote to memory of 1688	1848	NETSTAT.EXE	Firefox.exe
PID 1848 wrote to memory of 1688	1848	NETSTAT.EXE	Firefox.exe
PID 1848 wrote to memory of 1688	1848	NETSTAT.EXE	Firefox.exe
PID 1848 wrote to memory of 1688	1848	NETSTAT.EXE	Firefox.exe
PID 1848 wrote to memory of 1688	1848	NETSTAT.EXE	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\opTrJaglOqdy9oE.exe
"C:\Users\Admin\AppData\Local\Temp\opTrJaglOqdy9oE.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD21F.tmp"
3⤵
- Creates scheduled task(s)
PID:1376

C:\Users\Admin\AppData\Local\Temp\opTrJaglOqdy9oE.exe
"C:\Users\Admin\AppData\Local\Temp\opTrJaglOqdy9oE.exe"
3⤵
PID:1324

C:\Users\Admin\AppData\Local\Temp\opTrJaglOqdy9oE.exe
"C:\Users\Admin\AppData\Local\Temp\opTrJaglOqdy9oE.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1240

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:276

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1980

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1780

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:468

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1368

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1924

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:684

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1264

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1160

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1576

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:956

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1488

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1168

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:632

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1736

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1664

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:960

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1740

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Command-Line Interface

1

T1059

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD21F.tmp
Filesize
1KB

MD5
61aeb01590cef596e1070974949eaf11

SHA1
57338065731c05440d467ce637d8cc58603f2c6f

SHA256
9c126532a208b686cbd6f80c9be429965f0cb31f7f32ce8b6a93d9f1333e9793

SHA512
aaf6a1f1b1e90c57e6ee3aa4f6fc163cd8795ae489803855b638e29c68bcccb815150e3e8333c6c2068f7f65260bc4904489279305df55f4d5e429c38b4c13f7

Download Submit
C:\Users\Admin\AppData\Roaming\419RB7D7\419logim.jpeg
Filesize
68KB

MD5
fb11ec6e77b42109578207d4abb7244b

SHA1
3854b9f087a9aa8ea25fcc13036c27d07e4b2095

SHA256
6b71e9e5178d73bada65e1d5d65820d883a63dbd9d14b2445bccdbf6aa9f530b

SHA512
bab94128ab34928a38e0495a0bac1ba1a91bd2ee5bc17396b47a4c92cc729610e1e9bfd820c19afb12f0d8d26d0d5181b7f79a5031702c234b7d372c16d9c29b

Download Submit
C:\Users\Admin\AppData\Roaming\419RB7D7\419logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\419RB7D7\419logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\419RB7D7\419logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/536-54-0x0000000000040000-0x00000000000D0000-memory.dmp

Filesize
576KB

Download
memory/536-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/536-56-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/536-57-0x00000000048F0000-0x000000000493E000-memory.dmp

Filesize
312KB

Download
memory/536-58-0x0000000000840000-0x0000000000874000-memory.dmp

Filesize
208KB

Download
memory/1208-76-0x0000000002A10000-0x0000000002AA6000-memory.dmp

Filesize
600KB

Download
memory/1208-69-0x0000000004A30000-0x0000000004AE7000-memory.dmp

Filesize
732KB

Download
memory/1240-68-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/1240-67-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download
memory/1240-65-0x000000000041EDE0-mapping.dmp

Download
memory/1240-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1240-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1240-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1376-59-0x0000000000000000-mapping.dmp

Download
memory/1848-70-0x0000000000000000-mapping.dmp

Download
memory/1848-72-0x0000000000E40000-0x0000000000E49000-memory.dmp

Filesize
36KB

Download
memory/1848-73-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1848-74-0x0000000002250000-0x0000000002553000-memory.dmp

Filesize
3.0MB

Download
memory/1848-75-0x0000000000B50000-0x0000000000BE3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads