formbook | aae9b362789cdf8a185d9b963cb3b0ba5d7f5599285cecd8625944168232c42c

General

Target

RFQ-MNAMR-001RB-WhastsAAp Images.exe
Size

398KB
MD5

239efcf744fc1e906b704d4eebe4a962
SHA1

c8c0fe13941c237cd72c2eb3adcfc13f9513d32d
SHA256

aae9b362789cdf8a185d9b963cb3b0ba5d7f5599285cecd8625944168232c42c
SHA512

affe8bdcfbdc3e2554f2b8c887a9d417a69b5e031f7433ecf8971cc14a55bbabb70fbacd495a23d355662a679fbca321c38eb46e37949ea51e2e290ad7558af9

Score

10^/10

formbook persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.salomdy.com/xcm/

Decoy

xn--rhq5es99j.com

storage-download-fast.review

campingfamilly.com

rientbottcieux.info

2015z.com

999izo.info

guojiafangshui.com

jpaecwra.com

evergreenmga.net

semprebellissima.store

meizin01.com

bangladesherkhobor.net

rivercoveresidencessg.com

carbonfibercrew.com

1rbld2.biz

nikolatesla.review

erlandsonsbrygga.com

cursosreikiadistancia.com

centraldemotorersltda.com

shelskysbrooklynbagels.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/976-5-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/976-6-0x000000000041B6F0-mapping.dmp	formbook
behavioral2/memory/772-8-0x0000000000000000-mapping.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	systray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\EJQLRTJ0 = "C:\\Program Files (x86)\\Bgrxd-61\\bdltlz7ps.exe"	systray.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ-MNAMR-001RB-WhastsAAp Images.exeRFQ-MNAMR-001RB-WhastsAAp Images.exesystray.exe

description	pid	process	target process
PID 1180 set thread context of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 976 set thread context of 2836	976	RFQ-MNAMR-001RB-WhastsAAp Images.exe	Explorer.EXE
PID 772 set thread context of 2836	772	systray.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

systray.exe

description ioc process

File opened for modification C:\Program Files (x86)\Bgrxd-61\bdltlz7ps.exe systray.exe
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

3476 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Bgrxd-61\bdltlz7ps.exe	systray.exe

pid	process
3476	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

RFQ-MNAMR-001RB-WhastsAAp Images.exesystray.exe

pid	process
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe
772	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RFQ-MNAMR-001RB-WhastsAAp Images.exesystray.exe

pid	process
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
772	systray.exe
772	systray.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

RFQ-MNAMR-001RB-WhastsAAp Images.exeRFQ-MNAMR-001RB-WhastsAAp Images.exesystray.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe
Token: SeDebugPrivilege	976	RFQ-MNAMR-001RB-WhastsAAp Images.exe
Token: SeDebugPrivilege	772	systray.exe
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RFQ-MNAMR-001RB-WhastsAAp Images.exe

pid process

1180 RFQ-MNAMR-001RB-WhastsAAp Images.exe
1180 RFQ-MNAMR-001RB-WhastsAAp Images.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2836 Explorer.EXE

pid	process
1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe
1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe

pid	process
2836	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

RFQ-MNAMR-001RB-WhastsAAp Images.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1180 wrote to memory of 3476	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	schtasks.exe
PID 1180 wrote to memory of 3476	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	schtasks.exe
PID 1180 wrote to memory of 3476	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	schtasks.exe
PID 1180 wrote to memory of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 1180 wrote to memory of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 1180 wrote to memory of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 1180 wrote to memory of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 1180 wrote to memory of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 1180 wrote to memory of 976	1180	RFQ-MNAMR-001RB-WhastsAAp Images.exe	RFQ-MNAMR-001RB-WhastsAAp Images.exe
PID 2836 wrote to memory of 772	2836	Explorer.EXE	systray.exe
PID 2836 wrote to memory of 772	2836	Explorer.EXE	systray.exe
PID 2836 wrote to memory of 772	2836	Explorer.EXE	systray.exe
PID 772 wrote to memory of 3868	772	systray.exe	cmd.exe
PID 772 wrote to memory of 3868	772	systray.exe	cmd.exe
PID 772 wrote to memory of 3868	772	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2836

C:\Users\Admin\AppData\Local\Temp\RFQ-MNAMR-001RB-WhastsAAp Images.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-MNAMR-001RB-WhastsAAp Images.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fgySYm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F86.tmp"
3⤵
- Creates scheduled task(s)
PID:3476

C:\Users\Admin\AppData\Local\Temp\RFQ-MNAMR-001RB-WhastsAAp Images.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:976

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Adds policy 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:772

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\RFQ-MNAMR-001RB-WhastsAAp Images.exe"
3⤵
PID:3868

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

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7F86.tmp
MD5
c9fca7ef75b2da26b9afbd8db51e91ce

SHA1
ef87bb5e629e3694aae383ee7e4492005fcf1797

SHA256
d4594e8efccdbd873d9fa9a9fbcba2b2c583a55e7c476cf24264acd32652e6fb

SHA512
1b0ee511434c6db866e899b5ee2a2522f36f39a15aa4376d0de12e58374f25e510b6e0534c4c8e4fd2c35662b5e717cd34aa7e7746307b66ace89be104336c8a

Download Submit
C:\Users\Admin\AppData\Roaming\LL2105RU\LL2logim.jpeg
MD5
d27371f5c45f5641a9fe24cabddf6d63

SHA1
2759f8a7105e5faba9f0ac59960c88bc80289c07

SHA256
bfbe03b1860ab92c7efe786e04ede39bfcaeb5615161ba413462304e724ac6c6

SHA512
58a9cfecdcb41c47528ac87d5b8bf458342b461c83ebc35bde64e2e1abb8b578394921f7ca087415b9eb4a3d2c159a2e788e241d78a1b866a713b577071805b1

Download Submit
C:\Users\Admin\AppData\Roaming\LL2105RU\LL2logri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\LL2105RU\LL2logrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/772-8-0x0000000000000000-mapping.dmp

Download
memory/772-9-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/772-10-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/772-12-0x00000000061E0000-0x0000000006319000-memory.dmp

Filesize
1.2MB

Download
memory/976-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/976-6-0x000000000041B6F0-mapping.dmp

Download
memory/3476-3-0x0000000000000000-mapping.dmp

Download
memory/3868-11-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads