xloader | 6cef6976c4f45e3d2f0fc181f4efdf9850dd260bc89367ea2dbacad087ba34d3

General

Target

shed.exe
Size

295KB
MD5

c8b318ed16d918943d2fa406840738c4
SHA1

a61153eae1a7aee1ee57128f3f7284ed6592af30
SHA256

ad855c55e13ef5274a20805a3836b508c29cae12d0a2de2807aed08ed4090ddd
SHA512

dbe2be95fc13c607e81093ed4da10418a8d3b761a2c38179f3a5045fd2509d3c0e3b0ee589a55f3c8691d99ab2e48bc9575b60d1a26b391fd4b6e6a59e1acc31
SSDEEP

6144:Gx/MLiVFI8E2SO1l/oZzHACNIrl9F6G+WIEarFVr:61o8E2Scl4HMp9FzI9fr

Score

10^/10

xloader r8pp discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

r8pp

Decoy

ishqjewelery.com

gfshanta.xyz

koolbreath.info

ukarchitecturalglazing.com

safwewds.com

padshows.net

shynebrightrentals.com

gemstonewiz.net

anteplizade.com

garbagetrucksrule.com

mybeautifulplanetblog.com

princessi.com

beautyld.com

arrival-globe.com

peach-sandbox.finance

epsb2b.com

tomp3d.net

bostonm.info

inflectionadvice.com

servicesguidedata.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2708-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2708-14-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2684-20-0x00000000000D0000-0x00000000000F8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2844	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2324	shed.exe
2324	shed.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2708	2324	shed.exe	30
PID 2708 set thread context of 1260	2708	shed.exe	21
PID 2684 set thread context of 1260	2684	explorer.exe	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
2324	shed.exe
2324	shed.exe
2324	shed.exe
2324	shed.exe
2708	shed.exe
2708	shed.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2324	shed.exe
2708	shed.exe
2708	shed.exe
2708	shed.exe
2684	explorer.exe
2684	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	shed.exe
Token: SeDebugPrivilege	2684	explorer.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2708	2324	shed.exe	30
PID 2324 wrote to memory of 2708	2324	shed.exe	30
PID 2324 wrote to memory of 2708	2324	shed.exe	30
PID 2324 wrote to memory of 2708	2324	shed.exe	30
PID 2324 wrote to memory of 2708	2324	shed.exe	30
PID 1260 wrote to memory of 2684	1260	Explorer.EXE	31
PID 1260 wrote to memory of 2684	1260	Explorer.EXE	31
PID 1260 wrote to memory of 2684	1260	Explorer.EXE	31
PID 1260 wrote to memory of 2684	1260	Explorer.EXE	31
PID 2684 wrote to memory of 2844	2684	explorer.exe	32
PID 2684 wrote to memory of 2844	2684	explorer.exe	32
PID 2684 wrote to memory of 2844	2684	explorer.exe	32
PID 2684 wrote to memory of 2844	2684	explorer.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\shed.exe
  "C:\Users\Admin\AppData\Local\Temp\shed.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Users\Admin\AppData\Local\Temp\shed.exe
    "C:\Users\Admin\AppData\Local\Temp\shed.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2708
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\shed.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\d4xd.dll

Filesize
10KB

MD5
cc531db3ae7d662a2054f787c038762d

SHA1
5f87a3836db1886d07a0d480cb7b72d89672d36a

SHA256
9ca23ee06a0d89ba6a9b18bce1e3a7d94bf987df10234d2890d5e860d8a2790a

SHA512
e01ddaadf0efb4f4ec556e9882d02a51666a5cef118ec617f42c75bf80abb8566a6393fd6899fc76c9537eb66ef2c081fb5eec13f13bdc2a2ee74bd1b34d5632

Download Submit
\Users\Admin\AppData\Local\Temp\nse2CFB.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/1260-15-0x0000000007650000-0x00000000077C5000-memory.dmp

Filesize
1.5MB

Download
memory/1260-22-0x0000000007650000-0x00000000077C5000-memory.dmp

Filesize
1.5MB

Download
memory/2324-11-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2684-18-0x0000000000380000-0x0000000000601000-memory.dmp

Filesize
2.5MB

Download
memory/2684-19-0x0000000000380000-0x0000000000601000-memory.dmp

Filesize
2.5MB

Download
memory/2684-20-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download
memory/2708-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2708-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

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