xloader | 724856634d2e8796b6f0b6950ebdf98d32679ed73a8a65b995447ecd9098a0dc

General

Target

Invoice&shipments documents.exe
Size

68KB
MD5

851f82e1941a676ce825320ebff94857
SHA1

30b9dbf2b97c20401b42188a335897994bce073e
SHA256

724856634d2e8796b6f0b6950ebdf98d32679ed73a8a65b995447ecd9098a0dc
SHA512

33f78bad1244d8c4859c1ed2f2276d10e821b14485213291cdb8d546415177884e8dfa710cbc48937d62eb8d75716b212c5811e5499a97de9de2a9cca83a408e

Score

10^/10

xloader v4qp loader persistence rat

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

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1708-65-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1708-66-0x000000000041F6E0-mapping.dmp	xloader
behavioral1/memory/1708-68-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1624-75-0x0000000000090000-0x00000000000BC000-memory.dmp	xloader
behavioral1/memory/1624-80-0x0000000000090000-0x00000000000BC000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow pid process

18 1624 msiexec.exe

flow	pid	process
18	1624	msiexec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Invoice&shipments documents.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Idmczmd = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dnrhb\\Idmczmd.exe\""	Invoice&shipments documents.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Invoice&shipments documents.exeInstallUtil.exemsiexec.exe

description	pid	process	target process
PID 1132 set thread context of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1708 set thread context of 1212	1708	InstallUtil.exe	Explorer.EXE
PID 1624 set thread context of 1212	1624	msiexec.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exeInvoice&shipments documents.exeInstallUtil.exemsiexec.exe

pid	process
756	powershell.exe
1132	Invoice&shipments documents.exe
1132	Invoice&shipments documents.exe
1708	InstallUtil.exe
1708	InstallUtil.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe
1624	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

InstallUtil.exemsiexec.exe

pid process

1708 InstallUtil.exe
1708 InstallUtil.exe
1708 InstallUtil.exe
1624 msiexec.exe
1624 msiexec.exe

pid	process
1708	InstallUtil.exe
1708	InstallUtil.exe
1708	InstallUtil.exe
1624	msiexec.exe
1624	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Invoice&shipments documents.exepowershell.exeInstallUtil.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	1132	Invoice&shipments documents.exe
Token: SeDebugPrivilege	756	powershell.exe
Token: SeDebugPrivilege	1708	InstallUtil.exe
Token: SeDebugPrivilege	1624	msiexec.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

Invoice&shipments documents.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1132 wrote to memory of 756	1132	Invoice&shipments documents.exe	powershell.exe
PID 1132 wrote to memory of 756	1132	Invoice&shipments documents.exe	powershell.exe
PID 1132 wrote to memory of 756	1132	Invoice&shipments documents.exe	powershell.exe
PID 1132 wrote to memory of 756	1132	Invoice&shipments documents.exe	powershell.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1132 wrote to memory of 1708	1132	Invoice&shipments documents.exe	InstallUtil.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 1624	1212	Explorer.EXE	msiexec.exe
PID 1624 wrote to memory of 1704	1624	msiexec.exe	cmd.exe
PID 1624 wrote to memory of 1704	1624	msiexec.exe	cmd.exe
PID 1624 wrote to memory of 1704	1624	msiexec.exe	cmd.exe
PID 1624 wrote to memory of 1704	1624	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Local\Temp\Invoice&shipments documents.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice&shipments documents.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAOAA=
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:756

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
PID:1704

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/756-58-0x0000000000000000-mapping.dmp

Download
memory/756-61-0x000000006EED0000-0x000000006F47B000-memory.dmp

Filesize
5.7MB

Download
memory/756-60-0x000000006EED0000-0x000000006F47B000-memory.dmp

Filesize
5.7MB

Download
memory/1132-54-0x0000000000DA0000-0x0000000000DB6000-memory.dmp

Filesize
88KB

Download
memory/1132-57-0x00000000041C0000-0x00000000041EA000-memory.dmp

Filesize
168KB

Download
memory/1132-56-0x0000000005910000-0x0000000005ABE000-memory.dmp

Filesize
1.7MB

Download
memory/1132-55-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/1212-81-0x00000000060C0000-0x0000000006218000-memory.dmp

Filesize
1.3MB

Download
memory/1212-79-0x00000000060C0000-0x0000000006218000-memory.dmp

Filesize
1.3MB

Download
memory/1212-71-0x0000000005F70000-0x00000000060B6000-memory.dmp

Filesize
1.3MB

Download
memory/1624-80-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1624-78-0x0000000000A50000-0x0000000000AE0000-memory.dmp

Filesize
576KB

Download
memory/1624-77-0x0000000002340000-0x0000000002643000-memory.dmp

Filesize
3.0MB

Download
memory/1624-74-0x0000000000F20000-0x0000000000F34000-memory.dmp

Filesize
80KB

Download
memory/1624-75-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1624-72-0x0000000000000000-mapping.dmp

Download
memory/1704-76-0x0000000000000000-mapping.dmp

Download
memory/1708-70-0x0000000000160000-0x0000000000171000-memory.dmp

Filesize
68KB

Download
memory/1708-69-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/1708-68-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1708-66-0x000000000041F6E0-mapping.dmp

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

Filesize
176KB

Download
memory/1708-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

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

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads