xloader | f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032

General

Target

triage_dropped_file.exe
Size

253KB
MD5

d0e4c13e6c8ba9fe34d86b554b595d9a
SHA1

83eee2dbe00ae265af9eb13105dc1068b6b034cd
SHA256

f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
SHA512

72f5fcd367c0f0fdc83827bea529f84a85ace28550a5cd8102cb0cde2829d81defe312fb0d95d3c5a8e8728f4efd8cb433bfab0b3e1f265fffdc4e0ad687247d

Score

10^/10

xloader kqna loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

kqna

C2

http://www.surfsolutions.info/kqna/

Decoy

achyutlifesciences.com

anthemmg.com

netkopat.com

generationgirlnaturals.com

novatel-network.com

craftstockco.com

thevishantiverse.art

elkerfly.com

haerotechs.com

candypalette.com

gregdokes.com

e-commerce.company

gratitudeland.com

companyintelcloud.com

publicyazilim.com

xc6811.com

aracsozluk.com

janesgalant.quest

fraserstephendop.com

ryan.rentals

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1208-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1208-58-0x000000000041D400-mapping.dmp	xloader
behavioral1/memory/1652-66-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1112 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

triage_dropped_file.exe

pid process

432 triage_dropped_file.exe

pid	process
1112	cmd.exe

pid	process
432	triage_dropped_file.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

triage_dropped_file.exetriage_dropped_file.exehelp.exe

description	pid	process	target process
PID 432 set thread context of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 1208 set thread context of 1380	1208	triage_dropped_file.exe	Explorer.EXE
PID 1652 set thread context of 1380	1652	help.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 30 IoCs

Processes:

triage_dropped_file.exehelp.exe

pid	process
1208	triage_dropped_file.exe
1208	triage_dropped_file.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe
1652	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

triage_dropped_file.exehelp.exe

pid process

1208 triage_dropped_file.exe
1208 triage_dropped_file.exe
1208 triage_dropped_file.exe
1652 help.exe
1652 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

triage_dropped_file.exehelp.exe

description pid process

Token: SeDebugPrivilege 1208 triage_dropped_file.exe
Token: SeDebugPrivilege 1652 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

pid	process
1380	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1208	triage_dropped_file.exe
Token: SeDebugPrivilege	1652	help.exe

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

triage_dropped_file.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 432 wrote to memory of 1208	432	triage_dropped_file.exe	triage_dropped_file.exe
PID 1380 wrote to memory of 1652	1380	Explorer.EXE	help.exe
PID 1380 wrote to memory of 1652	1380	Explorer.EXE	help.exe
PID 1380 wrote to memory of 1652	1380	Explorer.EXE	help.exe
PID 1380 wrote to memory of 1652	1380	Explorer.EXE	help.exe
PID 1652 wrote to memory of 1112	1652	help.exe	cmd.exe
PID 1652 wrote to memory of 1112	1652	help.exe	cmd.exe
PID 1652 wrote to memory of 1112	1652	help.exe	cmd.exe
PID 1652 wrote to memory of 1112	1652	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1380

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:432

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1208

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
- Deletes itself
PID:1112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsdDB62.tmp\oirygpbyia.dll
MD5
6d2a0ca8aac6594e4f037d3cecdace3b

SHA1
2fdc815752d2483ae536ed60dd2104b0e5cc2abd

SHA256
f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468

SHA512
cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee

Download Submit
memory/432-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1112-64-0x0000000000000000-mapping.dmp

Download
memory/1208-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1208-58-0x000000000041D400-mapping.dmp

Download
memory/1208-60-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1208-61-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download
memory/1380-62-0x0000000004390000-0x00000000044A3000-memory.dmp

Filesize
1.1MB

Download
memory/1380-69-0x0000000008A90000-0x0000000008BFC000-memory.dmp

Filesize
1.4MB

Download
memory/1652-63-0x0000000000000000-mapping.dmp

Download
memory/1652-65-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/1652-66-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1652-67-0x0000000000A30000-0x0000000000D33000-memory.dmp

Filesize
3.0MB

Download
memory/1652-68-0x0000000000360000-0x00000000003F0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads