formbook | 3b65b859612be75eb528caf7b0cc66bc049fdfb062b6b6aa29ea9c356114a4fe

General

Target

test.exe
Size

174KB
MD5

7d4539bd445cf9821fd2e05dc0b1107e
SHA1

964e56a5e1f32101f04fa3fc62ec17c66b3c174e
SHA256

3b65b859612be75eb528caf7b0cc66bc049fdfb062b6b6aa29ea9c356114a4fe
SHA512

20e7626a4c64a112d5c891583881c9697a92e34d3ebbf2864c5895ba3b31d8f7c57b839fd7e3dc290955e2666fcb9bf599782d346ba14a532bf26c6d141fa6e0

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1688-59-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader
behavioral1/memory/1688-65-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader

Adds policy 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\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DPWTYLT0VPX = "C:\\Program Files (x86)\\Km2wxnzix\\winaffdd43h.exe"	svchost.exe

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:

test.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Control Panel\International\Geo\Nation test.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

940 cmd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Control Panel\International\Geo\Nation	test.exe

pid	process
940	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

test.exesvchost.exe

description	pid	process	target process
PID 792 set thread context of 1296	792	test.exe	Explorer.EXE
PID 1688 set thread context of 1296	1688	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)\Km2wxnzix\winaffdd43h.exe svchost.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Km2wxnzix\winaffdd43h.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-1-5-21-335065374-4263250628-1829373619-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

test.exesvchost.exe

pid	process
792	test.exe
792	test.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe
1688	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

test.exesvchost.exe

pid process

792 test.exe
792 test.exe
792 test.exe
1688 svchost.exe
1688 svchost.exe
1688 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

test.exesvchost.exe

description pid process

Token: SeDebugPrivilege 792 test.exe
Token: SeDebugPrivilege 1688 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1296 Explorer.EXE
1296 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1296 Explorer.EXE
1296 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	792	test.exe
Token: SeDebugPrivilege	1688	svchost.exe

pid	process
1296	Explorer.EXE
1296	Explorer.EXE

pid	process
1296	Explorer.EXE
1296	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Explorer.EXEsvchost.exe

description	pid	process	target process
PID 1296 wrote to memory of 1688	1296	Explorer.EXE	svchost.exe
PID 1296 wrote to memory of 1688	1296	Explorer.EXE	svchost.exe
PID 1296 wrote to memory of 1688	1296	Explorer.EXE	svchost.exe
PID 1296 wrote to memory of 1688	1296	Explorer.EXE	svchost.exe
PID 1688 wrote to memory of 940	1688	svchost.exe	cmd.exe
PID 1688 wrote to memory of 940	1688	svchost.exe	cmd.exe
PID 1688 wrote to memory of 940	1688	svchost.exe	cmd.exe
PID 1688 wrote to memory of 940	1688	svchost.exe	cmd.exe
PID 1688 wrote to memory of 544	1688	svchost.exe	Firefox.exe
PID 1688 wrote to memory of 544	1688	svchost.exe	Firefox.exe
PID 1688 wrote to memory of 544	1688	svchost.exe	Firefox.exe
PID 1688 wrote to memory of 544	1688	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:1296

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:792

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.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:1688

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\test.exe"
3⤵
- Deletes itself
PID:940

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:544

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/792-55-0x0000000000130000-0x0000000000141000-memory.dmp

Filesize
68KB

Download
memory/792-54-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/940-60-0x0000000000000000-mapping.dmp

Download
memory/1296-63-0x0000000006A90000-0x0000000006B97000-memory.dmp

Filesize
1.0MB

Download
memory/1296-56-0x0000000004980000-0x0000000004AA7000-memory.dmp

Filesize
1.2MB

Download
memory/1296-64-0x0000000004980000-0x0000000004AA7000-memory.dmp

Filesize
1.2MB

Download
memory/1296-66-0x0000000006A90000-0x0000000006B97000-memory.dmp

Filesize
1.0MB

Download
memory/1688-58-0x0000000000BE0000-0x0000000000BE8000-memory.dmp

Filesize
32KB

Download
memory/1688-59-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/1688-57-0x0000000000000000-mapping.dmp

Download
memory/1688-61-0x0000000000680000-0x0000000000983000-memory.dmp

Filesize
3.0MB

Download
memory/1688-62-0x00000000004F0000-0x0000000000580000-memory.dmp

Filesize
576KB

Download
memory/1688-65-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/1688-67-0x0000000076961000-0x0000000076963000-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