xloader | 28e5d5a2484c28e2eed4f6052c356d1d16ec3c0f40366f36cd5ec0fe32ab095e

General

Target

SGN-2020-0744_pdf.exe
Size

212KB
MD5

00c2d92eefeea043d8e31dce2f8d71cb
SHA1

a09df3a940d6c6bf62de0649db8ed853d6599152
SHA256

3fce8520e14810b87911f98821b93cf5bb902f3ef38992ab6f5474ccc4895366
SHA512

e452c33b9e0cfb837e8abb0a5cd7b748608ce5efbf1b55265dfde7f8f027a10fa1a2e8f09953fd71bacf2ede54071d14e75839297105ace1b64fb3af4f8c09ef
SSDEEP

3072:5f1BDZ0kVB67Duw9AMc0bVizIOlE52tDvUpwmF20Nq5p9At/gr5qogTc5P7WBFUJ:59X0GuY815xp5Qk6M/UPKBFUIyaDKHpJ

Score

10^/10

xloader oean discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

oean

Decoy

kallitheasolutions.com

k-kard.com

mattvasilevski.com

gralg.com

lpbbxsfwwp.xyz

sahinligrup.com

forestgreens.club

qianduoduo.ink

futbolzone.site

rulesofvegas.com

theternarygroup.com

basenic.club

profitcenterresearch.com

cottonwoodcollection.com

chicagosecuritygates.com

hochfranken-feuilleton.com

carpetilo.com

adapt-2-nature.com

shasyaveda.com

altinovahotel.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1784-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1784-16-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1784-19-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1804-26-0x00000000000D0000-0x00000000000F8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2836	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1272	SGN-2020-0744_pdf.exe
1272	SGN-2020-0744_pdf.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1272 set thread context of 1784	1272	SGN-2020-0744_pdf.exe	30
PID 1784 set thread context of 1196	1784	SGN-2020-0744_pdf.exe	21
PID 1784 set thread context of 1196	1784	SGN-2020-0744_pdf.exe	21
PID 1804 set thread context of 1196	1804	cmmon32.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	SGN-2020-0744_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
1272	SGN-2020-0744_pdf.exe
1272	SGN-2020-0744_pdf.exe
1272	SGN-2020-0744_pdf.exe
1272	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe
1804	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1272	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1784	SGN-2020-0744_pdf.exe
1804	cmmon32.exe
1804	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	SGN-2020-0744_pdf.exe
Token: SeDebugPrivilege	1804	cmmon32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1784	1272	SGN-2020-0744_pdf.exe	30
PID 1272 wrote to memory of 1784	1272	SGN-2020-0744_pdf.exe	30
PID 1272 wrote to memory of 1784	1272	SGN-2020-0744_pdf.exe	30
PID 1272 wrote to memory of 1784	1272	SGN-2020-0744_pdf.exe	30
PID 1272 wrote to memory of 1784	1272	SGN-2020-0744_pdf.exe	30
PID 1196 wrote to memory of 1804	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1804	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1804	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1804	1196	Explorer.EXE	31
PID 1804 wrote to memory of 2836	1804	cmmon32.exe	33
PID 1804 wrote to memory of 2836	1804	cmmon32.exe	33
PID 1804 wrote to memory of 2836	1804	cmmon32.exe	33
PID 1804 wrote to memory of 2836	1804	cmmon32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\SGN-2020-0744_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SGN-2020-0744_pdf.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:1272
- - C:\Users\Admin\AppData\Local\Temp\SGN-2020-0744_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SGN-2020-0744_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1784
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:1804
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\SGN-2020-0744_pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2836

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\12z2gbx.dll

Filesize
12KB

MD5
c4c855492732e30b44331be47804da6b

SHA1
8ae30a113f3d50899e90da5fdab4498cb45a4063

SHA256
4f3b8869008e1a8aa1b25f2740372b52b1466277ea001ddceb88aae57bdfd02c

SHA512
7766b341b173ca44f958900abb1a7b4ea835f844f62b47acd0feaddd3592a0d2e1de6c9efce059fef80a5580c03af26f189c2f2570da33147b409ba225a687d3

Download Submit
\Users\Admin\AppData\Local\Temp\nstA9B8.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/1196-21-0x0000000004CE0000-0x0000000004DEC000-memory.dmp

Filesize
1.0MB

Download
memory/1196-17-0x0000000004CE0000-0x0000000004DEC000-memory.dmp

Filesize
1.0MB

Download
memory/1196-20-0x0000000005090000-0x0000000005169000-memory.dmp

Filesize
868KB

Download
memory/1196-27-0x0000000005090000-0x0000000005169000-memory.dmp

Filesize
868KB

Download
memory/1272-14-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/1272-12-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/1784-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1784-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1784-19-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1804-24-0x0000000000170000-0x000000000017D000-memory.dmp

Filesize
52KB

Download
memory/1804-25-0x0000000000170000-0x000000000017D000-memory.dmp

Filesize
52KB

Download
memory/1804-26-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download

Analysis

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