formbook | ac23d4ba0e11c07488224b01abc734d353da88537ed55c945eec7a91a20216a4

General

Target

SKM_C3350191107102300.exe
Size

560KB
MD5

c5b91765063ed56b54eb8048711109bc
SHA1

4e62b1c4166d9f569a3d3dba845330e22cf4b23c
SHA256

ac23d4ba0e11c07488224b01abc734d353da88537ed55c945eec7a91a20216a4
SHA512

93a3746c89f36a2a3114d2d4e76525c9212f33d95725908ff991b828231e520f20ada1049d42ba8c3c0c2c8df2dfffb2c6837ea0a8382f740a55ca01dad2c0b6

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.4mzn-l1mit.com/x2ee/

Decoy

imarrawk.com

focusonyouwa.com

thedallygrind.com

hexa4shop.com

rebeccaroni.com

rocketmortgageliar.net

roomkoala.com

zewkr.com

gighomesale.com

xenonsunglasses.com

clqck.com

alittlereward.com

neuroeka.digital

gadgetsat.online

steigersteel.com

fsjdc.com

realnie-svingeri.site

directcare.pro

mo-kita.com

faxbbs.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1100-3-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1100-4-0x000000000041D010-mapping.dmp	xloader
behavioral2/memory/820-8-0x0000000000000000-mapping.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

SKM_C3350191107102300.exeSKM_C3350191107102300.execmd.exe

description	pid	process	target process
PID 1192 set thread context of 1100	1192	SKM_C3350191107102300.exe	SKM_C3350191107102300.exe
PID 1100 set thread context of 2836	1100	SKM_C3350191107102300.exe	Explorer.EXE
PID 820 set thread context of 2836	820	cmd.exe	Explorer.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

188 schtasks.exe

pid	process
188	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

SKM_C3350191107102300.execmd.exe

pid	process
1100	SKM_C3350191107102300.exe
1100	SKM_C3350191107102300.exe
1100	SKM_C3350191107102300.exe
1100	SKM_C3350191107102300.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe
820	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

SKM_C3350191107102300.exeSKM_C3350191107102300.execmd.exe

pid process

1192 SKM_C3350191107102300.exe
1100 SKM_C3350191107102300.exe
1100 SKM_C3350191107102300.exe
1100 SKM_C3350191107102300.exe
820 cmd.exe
820 cmd.exe

pid	process
1192	SKM_C3350191107102300.exe
1100	SKM_C3350191107102300.exe
1100	SKM_C3350191107102300.exe
1100	SKM_C3350191107102300.exe
820	cmd.exe
820	cmd.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

SKM_C3350191107102300.exeExplorer.EXEcmd.exe

description	pid	process
Token: SeDebugPrivilege	1100	SKM_C3350191107102300.exe
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeDebugPrivilege	820	cmd.exe
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2836 Explorer.EXE

pid	process
2836	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

SKM_C3350191107102300.execmd.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1192 wrote to memory of 2664	1192	SKM_C3350191107102300.exe	cmd.exe
PID 1192 wrote to memory of 2664	1192	SKM_C3350191107102300.exe	cmd.exe
PID 1192 wrote to memory of 2664	1192	SKM_C3350191107102300.exe	cmd.exe
PID 1192 wrote to memory of 1100	1192	SKM_C3350191107102300.exe	SKM_C3350191107102300.exe
PID 1192 wrote to memory of 1100	1192	SKM_C3350191107102300.exe	SKM_C3350191107102300.exe
PID 1192 wrote to memory of 1100	1192	SKM_C3350191107102300.exe	SKM_C3350191107102300.exe
PID 1192 wrote to memory of 1100	1192	SKM_C3350191107102300.exe	SKM_C3350191107102300.exe
PID 2664 wrote to memory of 188	2664	cmd.exe	schtasks.exe
PID 2664 wrote to memory of 188	2664	cmd.exe	schtasks.exe
PID 2664 wrote to memory of 188	2664	cmd.exe	schtasks.exe
PID 2836 wrote to memory of 820	2836	Explorer.EXE	cmd.exe
PID 2836 wrote to memory of 820	2836	Explorer.EXE	cmd.exe
PID 2836 wrote to memory of 820	2836	Explorer.EXE	cmd.exe
PID 820 wrote to memory of 560	820	cmd.exe	cmd.exe
PID 820 wrote to memory of 560	820	cmd.exe	cmd.exe
PID 820 wrote to memory of 560	820	cmd.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\SKM_C3350191107102300.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\c71863b966c54b048a6e888dca409982.xml"
3⤵
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\c71863b966c54b048a6e888dca409982.xml"
4⤵
- Creates scheduled task(s)
PID:188

C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"
3⤵
PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\c71863b966c54b048a6e888dca409982.xml
MD5
aa2f6636e997aaa0b01fbc78b1dabe52

SHA1
fd462100fc91975dcbea8e361cf1eb8a70f6ad54

SHA256
d710b6eda22285684579d8b547e5be2f48883c4bf8db39993b00df30f9dc8723

SHA512
6540a3bbdbd3ab51679d5b32380e6c288bf6eba2777d067d40bfe65642ccafecd18028b102dfa46ac189d84282da2b6cb202a4f307587c5639f86834788f5104

Download Submit
memory/188-6-0x0000000000000000-mapping.dmp

Download
memory/560-11-0x0000000000000000-mapping.dmp

Download
memory/820-8-0x0000000000000000-mapping.dmp

Download
memory/820-9-0x00000000002E0000-0x0000000000339000-memory.dmp

Filesize
356KB

Download
memory/820-10-0x00000000002E0000-0x0000000000339000-memory.dmp

Filesize
356KB

Download
memory/820-12-0x0000000005210000-0x0000000005319000-memory.dmp

Filesize
1.0MB

Download
memory/1100-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1100-4-0x000000000041D010-mapping.dmp

Download
memory/2664-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads