formbook | 3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee

General

Target

Invoice & Shipment Documents.exe
Size

718KB
MD5

8d239f379c7f633509acee0f379afcff
SHA1

75fb5edc7293ecdd727a5a487d4db616f6360089
SHA256

3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee
SHA512

a4c519c114fc8c16cd426a9c17ec315f62b1f7196018eba5a36921811b00a946ba4002f5cc06d49ceeb63a5c0bfbf6ffc3240e19fcc7ba4867532eaf7a7fc9d0

Score

10^/10

formbook xloader v4qp loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

v4qp

Decoy

je1XQKU1LfJPVLk=

nvf41a7FsTLs6uB/g+CR

U7mryF6DctZn6GEjr9Bm4g==

1SONGrPdh7wGEOXp3g==

2xX859r7qOFq7GYkr9Bm4g==

IYtzVUx0Oo0HmZawLQAARDvBf4dL

NH3iuBPNSzZTvpw/4KaG

rDehfiqIPbdMBS8G1g==

xhb2uJ0eBwo7k3djqxh60xoNt4VoeQ==

AFtKux3JgPGRkx3xUsciR6piSg==

m+3VoJadWcBvOAPpzKUNPoAxyplS

1DWKULdka3mxIKhEqGxQr7gxyplS

DGlFGBqWi5CtrCX9alyTuPzq

muvVM4slyTfxORwAZisVksCM78aSEVo=

D3biNgUbyg9E5pl+

/+1QLPssvl/Xxg==

I4lzTjaAcc1iBS8G1g==

wSwc4MmbShojhlZCrniTuPzq

jN5YO6ZXSfJPVLk=

4TUS4+ANuqHCRTM9sniTuPzq

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1708-62-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1708-63-0x000000000041F6E0-mapping.dmp	xloader
behavioral1/memory/1708-65-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/828-72-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader
behavioral1/memory/828-77-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Invoice & Shipment Documents.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Control Panel\International\Geo\Nation	Invoice & Shipment Documents.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1764 cmd.exe

pid	process
1764	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MBDX6TP8OX = "C:\\Program Files (x86)\\Kkpx0cfw0\\configwbi09n.exe"	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Invoice & Shipment Documents.exeInvoice & Shipment Documents.exesvchost.exe

description	pid	process	target process
PID 1940 set thread context of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1708 set thread context of 1368	1708	Invoice & Shipment Documents.exe	Explorer.EXE
PID 828 set thread context of 1368	828	svchost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Program Files (x86)\Kkpx0cfw0\configwbi09n.exe svchost.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Kkpx0cfw0\configwbi09n.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Invoice & Shipment Documents.exesvchost.exe

pid	process
1708	Invoice & Shipment Documents.exe
1708	Invoice & Shipment Documents.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Invoice & Shipment Documents.exesvchost.exe

pid	process
1708	Invoice & Shipment Documents.exe
1708	Invoice & Shipment Documents.exe
1708	Invoice & Shipment Documents.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe
828	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice & Shipment Documents.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1708 Invoice & Shipment Documents.exe
Token: SeDebugPrivilege 828 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1708	Invoice & Shipment Documents.exe
Token: SeDebugPrivilege	828	svchost.exe

pid	process
1368	Explorer.EXE
1368	Explorer.EXE

pid	process
1368	Explorer.EXE
1368	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Invoice & Shipment Documents.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1940 wrote to memory of 1708	1940	Invoice & Shipment Documents.exe	Invoice & Shipment Documents.exe
PID 1368 wrote to memory of 828	1368	Explorer.EXE	svchost.exe
PID 1368 wrote to memory of 828	1368	Explorer.EXE	svchost.exe
PID 1368 wrote to memory of 828	1368	Explorer.EXE	svchost.exe
PID 1368 wrote to memory of 828	1368	Explorer.EXE	svchost.exe
PID 828 wrote to memory of 1764	828	svchost.exe	cmd.exe
PID 828 wrote to memory of 1764	828	svchost.exe	cmd.exe
PID 828 wrote to memory of 1764	828	svchost.exe	cmd.exe
PID 828 wrote to memory of 1764	828	svchost.exe	cmd.exe
PID 828 wrote to memory of 576	828	svchost.exe	Firefox.exe
PID 828 wrote to memory of 576	828	svchost.exe	Firefox.exe
PID 828 wrote to memory of 576	828	svchost.exe	Firefox.exe
PID 828 wrote to memory of 576	828	svchost.exe	Firefox.exe
PID 828 wrote to memory of 576	828	svchost.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:1368

C:\Users\Admin\AppData\Local\Temp\Invoice & Shipment Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice & Shipment Documents.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1940

C:\Users\Admin\AppData\Local\Temp\Invoice & Shipment Documents.exe
"{path}"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds 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:828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Invoice & Shipment Documents.exe"
3⤵
- Deletes itself
PID:1764

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:576

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

memory/828-77-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/828-74-0x0000000000500000-0x0000000000590000-memory.dmp

Filesize
576KB

Download
memory/828-73-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/828-72-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/828-71-0x0000000000BB0000-0x0000000000BB8000-memory.dmp

Filesize
32KB

Download
memory/828-69-0x0000000000000000-mapping.dmp

Download
memory/1368-68-0x00000000071F0000-0x0000000007301000-memory.dmp

Filesize
1.1MB

Download
memory/1368-78-0x0000000004A20000-0x0000000004B04000-memory.dmp

Filesize
912KB

Download
memory/1368-76-0x00000000071F0000-0x0000000007301000-memory.dmp

Filesize
1.1MB

Download
memory/1368-75-0x0000000004A20000-0x0000000004B04000-memory.dmp

Filesize
912KB

Download
memory/1708-59-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1708-67-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/1708-66-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1708-65-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1708-63-0x000000000041F6E0-mapping.dmp

Download
memory/1708-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1708-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1764-70-0x0000000000000000-mapping.dmp

Download
memory/1940-54-0x0000000000F50000-0x000000000100A000-memory.dmp

Filesize
744KB

Download
memory/1940-58-0x0000000000490000-0x00000000004C6000-memory.dmp

Filesize
216KB

Download
memory/1940-57-0x0000000005330000-0x00000000053BA000-memory.dmp

Filesize
552KB

Download
memory/1940-56-0x00000000002A0000-0x00000000002AA000-memory.dmp

Filesize
40KB

Download
memory/1940-55-0x00000000762A1000-0x00000000762A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads