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
behavioral2/memory/2892-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2892-117-0x000000000041D400-mapping.dmp	xloader
behavioral2/memory/1288-125-0x0000000002F70000-0x0000000002F99000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

triage_dropped_file.exe

pid process

2696 triage_dropped_file.exe

pid	process
2696	triage_dropped_file.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

triage_dropped_file.exetriage_dropped_file.exeipconfig.exe

description	pid	process	target process
PID 2696 set thread context of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 2892 set thread context of 3020	2892	triage_dropped_file.exe	Explorer.EXE
PID 1288 set thread context of 3020	1288	ipconfig.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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1288 ipconfig.exe

pid	process
1288	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

triage_dropped_file.exeipconfig.exe

pid	process
2892	triage_dropped_file.exe
2892	triage_dropped_file.exe
2892	triage_dropped_file.exe
2892	triage_dropped_file.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe
1288	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

triage_dropped_file.exeipconfig.exe

pid process

2892 triage_dropped_file.exe
2892 triage_dropped_file.exe
2892 triage_dropped_file.exe
1288 ipconfig.exe
1288 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

triage_dropped_file.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 2892 triage_dropped_file.exe
Token: SeDebugPrivilege 1288 ipconfig.exe

pid	process
3020	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2892	triage_dropped_file.exe
Token: SeDebugPrivilege	1288	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

triage_dropped_file.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 2696 wrote to memory of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 2696 wrote to memory of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 2696 wrote to memory of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 2696 wrote to memory of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 2696 wrote to memory of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 2696 wrote to memory of 2892	2696	triage_dropped_file.exe	triage_dropped_file.exe
PID 3020 wrote to memory of 1288	3020	Explorer.EXE	ipconfig.exe
PID 3020 wrote to memory of 1288	3020	Explorer.EXE	ipconfig.exe
PID 3020 wrote to memory of 1288	3020	Explorer.EXE	ipconfig.exe
PID 1288 wrote to memory of 1116	1288	ipconfig.exe	cmd.exe
PID 1288 wrote to memory of 1116	1288	ipconfig.exe	cmd.exe
PID 1288 wrote to memory of 1116	1288	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3020

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:2696

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:2892

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
PID:1116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

SHA1
2fdc815752d2483ae536ed60dd2104b0e5cc2abd

SHA256
f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468

SHA512
cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee

Download Submit
memory/1116-123-0x0000000000000000-mapping.dmp

Download
memory/1288-124-0x0000000000A30000-0x0000000000A3B000-memory.dmp

Filesize
44KB

Download
memory/1288-122-0x0000000000000000-mapping.dmp

Download
memory/1288-126-0x0000000003680000-0x00000000039A0000-memory.dmp

Filesize
3.1MB

Download
memory/1288-125-0x0000000002F70000-0x0000000002F99000-memory.dmp

Filesize
164KB

Download
memory/1288-127-0x00000000033D0000-0x0000000003460000-memory.dmp

Filesize
576KB

Download
memory/2892-120-0x00000000005E0000-0x00000000005F1000-memory.dmp

Filesize
68KB

Download
memory/2892-119-0x0000000000AB0000-0x0000000000DD0000-memory.dmp

Filesize
3.1MB

Download
memory/2892-117-0x000000000041D400-mapping.dmp

Download
memory/2892-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3020-121-0x00000000027A0000-0x0000000002891000-memory.dmp

Filesize
964KB

Download
memory/3020-128-0x0000000002CF0000-0x0000000002DDE000-memory.dmp

Filesize
952KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads