xloader | 031527224e74b82bf16e639c666134674ecc8a6e648fed2f68255617bd6a3b18

Analysis

max time kernel
153s
max time network
162s
platform
windows10_x64
resource
win10v20210408
submitted
30-07-2021 15:25

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General

Target

Inv_7623980.exe
Size

829KB
MD5

b20d9ced5d063ec28425551a520ac59d
SHA1

f6bfd3346ed28ef6ed5e45d89f6b1f89d8296b0f
SHA256

3ad516ed1d59d2a83e03dd014de474999c1d20885639cd2f77c1108c636636df
SHA512

2bbfa0ab4ef7132e5740e54d1fcacb35fdbea4a89b5208f42b4660377f5e18f7a09cad7c589d3a1c3b02d06228ba8b3cb02d6f32b0fcf18b71f23c0e367c48d4

Score

10^/10

xloader loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

http://www.inverservi.com/m6b5/

Decoy

ixtarbelize.com

pheamal.com

daiyncc.com

staydoubted.com

laagerlitigation.club

sukrantastansakarya.com

esupport.ltd

vetscontracting.net

themuslimlife.coach

salmanairs.com

somatictherapyservices.com

lastminuteminister.com

comunicarbuenosaires.com

kazuya.tech

insightlyservicedev.com

redevelopment38subhashnagar.com

thefutureinvestor.com

simplysu.com

lagu45.com

livingstonpistolpermit.com

Signatures

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

Xloader Payload 3 IoCs

rat

resource	yara_rule
behavioral25/memory/2308-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral25/memory/2308-125-0x000000000041D0F0-mapping.dmp	xloader
behavioral25/memory/3572-132-0x0000000002900000-0x0000000002929000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 800 set thread context of 2308	800	Inv_7623980.exe	78
PID 2308 set thread context of 3044	2308	RegSvcs.exe	23
PID 3572 set thread context of 3044	3572	cmmon32.exe	23

Suspicious behavior: EnumeratesProcesses 43 IoCs

pid	Process
800	Inv_7623980.exe
2308	RegSvcs.exe
2308	RegSvcs.exe
2308	RegSvcs.exe
2308	RegSvcs.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe
3572	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3044	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2308	RegSvcs.exe
2308	RegSvcs.exe
2308	RegSvcs.exe
3572	cmmon32.exe
3572	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	800	Inv_7623980.exe
Token: SeDebugPrivilege	2308	RegSvcs.exe
Token: SeDebugPrivilege	3572	cmmon32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2308	800	Inv_7623980.exe	78
PID 800 wrote to memory of 2308	800	Inv_7623980.exe	78
PID 800 wrote to memory of 2308	800	Inv_7623980.exe	78
PID 800 wrote to memory of 2308	800	Inv_7623980.exe	78
PID 800 wrote to memory of 2308	800	Inv_7623980.exe	78
PID 800 wrote to memory of 2308	800	Inv_7623980.exe	78
PID 3044 wrote to memory of 3572	3044	Explorer.EXE	79
PID 3044 wrote to memory of 3572	3044	Explorer.EXE	79
PID 3044 wrote to memory of 3572	3044	Explorer.EXE	79
PID 3572 wrote to memory of 1544	3572	cmmon32.exe	80
PID 3572 wrote to memory of 1544	3572	cmmon32.exe	80
PID 3572 wrote to memory of 1544	3572	cmmon32.exe	80

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
  "C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:800
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2308
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3572
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1544

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/800-114-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/800-116-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

Filesize
4KB

Download
memory/800-117-0x0000000007690000-0x0000000007691000-memory.dmp

Filesize
4KB

Download
memory/800-118-0x00000000075F0000-0x0000000007AEE000-memory.dmp

Filesize
5.0MB

Download
memory/800-119-0x0000000007610000-0x0000000007611000-memory.dmp

Filesize
4KB

Download
memory/800-120-0x0000000009A50000-0x0000000009A51000-memory.dmp

Filesize
4KB

Download
memory/800-121-0x0000000004BD0000-0x0000000004BD2000-memory.dmp

Filesize
8KB

Download
memory/800-122-0x00000000092B0000-0x0000000009333000-memory.dmp

Filesize
524KB

Download
memory/800-123-0x0000000009340000-0x0000000009376000-memory.dmp

Filesize
216KB

Download
memory/2308-127-0x0000000001450000-0x0000000001460000-memory.dmp

Filesize
64KB

Download
memory/2308-126-0x0000000001490000-0x00000000017B0000-memory.dmp

Filesize
3.1MB

Download
memory/2308-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3044-128-0x0000000005800000-0x000000000597C000-memory.dmp

Filesize
1.5MB

Download
memory/3044-135-0x00000000032C0000-0x0000000003387000-memory.dmp

Filesize
796KB

Download
memory/3572-131-0x0000000000290000-0x000000000029C000-memory.dmp

Filesize
48KB

Download
memory/3572-132-0x0000000002900000-0x0000000002929000-memory.dmp

Filesize
164KB

Download
memory/3572-133-0x0000000004300000-0x0000000004620000-memory.dmp

Filesize
3.1MB

Download
memory/3572-134-0x0000000004150000-0x00000000041DF000-memory.dmp

Filesize
572KB

Download