formbook | b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086

General

Target

Packing list • Invoice • Country of origin.exe
Size

377KB
MD5

573ad7a8627f24f2e6fc4aa3c53f6328
SHA1

2e292b7e6f41b0fd7dd31424989e5640f6e41e38
SHA256

b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086
SHA512

750436f6da6c8daed66b61433789dc6a76a49bab86f2d5ef43434d9e77ed702ea5cc020981d9382b2ec8f1c0584d6600897efa67763e513a2569417e54222bc3

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/4208-4-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/4208-5-0x000000000041D010-mapping.dmp	xloader
behavioral2/memory/2092-9-0x0000000000000000-mapping.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Packing list • Invoice • Country of origin.exePacking list • Invoice • Country of origin.exemstsc.exe

description	pid	process	target process
PID 4768 set thread context of 4208	4768	Packing list • Invoice • Country of origin.exe	Packing list • Invoice • Country of origin.exe
PID 4208 set thread context of 2576	4208	Packing list • Invoice • Country of origin.exe	Explorer.EXE
PID 2092 set thread context of 2576	2092	mstsc.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

4408 schtasks.exe

pid	process
4408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

Packing list • Invoice • Country of origin.exemstsc.exe

pid	process
4208	Packing list • Invoice • Country of origin.exe
4208	Packing list • Invoice • Country of origin.exe
4208	Packing list • Invoice • Country of origin.exe
4208	Packing list • Invoice • Country of origin.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe
2092	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Packing list • Invoice • Country of origin.exePacking list • Invoice • Country of origin.exemstsc.exe

pid	process
4768	Packing list • Invoice • Country of origin.exe
4208	Packing list • Invoice • Country of origin.exe
4208	Packing list • Invoice • Country of origin.exe
4208	Packing list • Invoice • Country of origin.exe
2092	mstsc.exe
2092	mstsc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

Packing list • Invoice • Country of origin.exeExplorer.EXEmstsc.exe

description	pid	process
Token: SeDebugPrivilege	4208	Packing list • Invoice • Country of origin.exe
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeDebugPrivilege	2092	mstsc.exe
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2576 Explorer.EXE

pid	process
2576	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Packing list • Invoice • Country of origin.execmd.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 4768 wrote to memory of 3460	4768	Packing list • Invoice • Country of origin.exe	cmd.exe
PID 4768 wrote to memory of 3460	4768	Packing list • Invoice • Country of origin.exe	cmd.exe
PID 4768 wrote to memory of 3460	4768	Packing list • Invoice • Country of origin.exe	cmd.exe
PID 4768 wrote to memory of 496	4768	Packing list • Invoice • Country of origin.exe	cmd.exe
PID 4768 wrote to memory of 496	4768	Packing list • Invoice • Country of origin.exe	cmd.exe
PID 4768 wrote to memory of 496	4768	Packing list • Invoice • Country of origin.exe	cmd.exe
PID 4768 wrote to memory of 4208	4768	Packing list • Invoice • Country of origin.exe	Packing list • Invoice • Country of origin.exe
PID 4768 wrote to memory of 4208	4768	Packing list • Invoice • Country of origin.exe	Packing list • Invoice • Country of origin.exe
PID 4768 wrote to memory of 4208	4768	Packing list • Invoice • Country of origin.exe	Packing list • Invoice • Country of origin.exe
PID 4768 wrote to memory of 4208	4768	Packing list • Invoice • Country of origin.exe	Packing list • Invoice • Country of origin.exe
PID 496 wrote to memory of 4408	496	cmd.exe	schtasks.exe
PID 496 wrote to memory of 4408	496	cmd.exe	schtasks.exe
PID 496 wrote to memory of 4408	496	cmd.exe	schtasks.exe
PID 2576 wrote to memory of 2092	2576	Explorer.EXE	mstsc.exe
PID 2576 wrote to memory of 2092	2576	Explorer.EXE	mstsc.exe
PID 2576 wrote to memory of 2092	2576	Explorer.EXE	mstsc.exe
PID 2092 wrote to memory of 1292	2092	mstsc.exe	cmd.exe
PID 2092 wrote to memory of 1292	2092	mstsc.exe	cmd.exe
PID 2092 wrote to memory of 1292	2092	mstsc.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:2576

C:\Users\Admin\AppData\Local\Temp\Packing list • Invoice • Country of origin.exe
"C:\Users\Admin\AppData\Local\Temp\Packing list • Invoice • Country of origin.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
3⤵
PID:3460

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e3bc0ade3cf146ebb0444cf186a5e7a1.xml"
3⤵
- Suspicious use of WriteProcessMemory
PID:496

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e3bc0ade3cf146ebb0444cf186a5e7a1.xml"
4⤵
- Creates scheduled task(s)
PID:4408

C:\Users\Admin\AppData\Local\Temp\Packing list • Invoice • Country of origin.exe
"C:\Users\Admin\AppData\Local\Temp\Packing list • Invoice • Country of origin.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4208

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4160

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4176

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4416

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Packing list • Invoice • Country of origin.exe"
3⤵
PID:1292

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\e3bc0ade3cf146ebb0444cf186a5e7a1.xml
MD5
aa2f6636e997aaa0b01fbc78b1dabe52

SHA1
fd462100fc91975dcbea8e361cf1eb8a70f6ad54

SHA256
d710b6eda22285684579d8b547e5be2f48883c4bf8db39993b00df30f9dc8723

SHA512
6540a3bbdbd3ab51679d5b32380e6c288bf6eba2777d067d40bfe65642ccafecd18028b102dfa46ac189d84282da2b6cb202a4f307587c5639f86834788f5104

Download Submit
memory/496-3-0x0000000000000000-mapping.dmp

Download
memory/1292-12-0x0000000000000000-mapping.dmp

Download
memory/2092-10-0x0000000000E20000-0x000000000111C000-memory.dmp

Filesize
3.0MB

Download
memory/2092-9-0x0000000000000000-mapping.dmp

Download
memory/2092-11-0x0000000000E20000-0x000000000111C000-memory.dmp

Filesize
3.0MB

Download
memory/2092-13-0x0000000006D20000-0x0000000006DBB000-memory.dmp

Filesize
620KB

Download
memory/3460-2-0x0000000000000000-mapping.dmp

Download
memory/4208-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4208-5-0x000000000041D010-mapping.dmp

Download
memory/4408-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads