8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c

General

Target

8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c.dll
Size

49KB
MD5

a91dedfb4735164393d48dd3260b6ae0
SHA1

cb7821b19ed590833c85c779d1718bf31637d608
SHA256

8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c
SHA512

44821e63bdd3ca223b59c942e5b131816c0c5a58ce6f0f7de81a30f19e8971a89a88487a342be135c6078f8f19bedfd0083604a58a046e1daed34807db7324c6
SSDEEP

1536:hlHVfyYWZHUIS5jm0mVrVIXLhPODlQnouy8l4:hlERZU3q0mVpC9Boutl4

Score

9^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 5 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00090000000139f7-59.dat	acprotect
behavioral1/files/0x00090000000139f7-60.dat	acprotect
behavioral1/files/0x00090000000139f7-62.dat	acprotect
behavioral1/files/0x00090000000139f7-61.dat	acprotect
behavioral1/files/0x00090000000139f7-63.dat	acprotect

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1980-56-0x0000000010000000-0x000000001002C000-memory.dmp	upx
behavioral1/files/0x00090000000139f7-59.dat	upx
behavioral1/files/0x00090000000139f7-60.dat	upx
behavioral1/files/0x00090000000139f7-62.dat	upx
behavioral1/files/0x00090000000139f7-61.dat	upx
behavioral1/files/0x00090000000139f7-63.dat	upx
behavioral1/memory/1776-64-0x0000000010000000-0x000000001002C000-memory.dmp	upx
behavioral1/memory/1980-65-0x0000000010000000-0x000000001002C000-memory.dmp	upx
behavioral1/memory/1776-66-0x0000000010000000-0x000000001002C000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1776	rundll32.exe
1776	rundll32.exe
1776	rundll32.exe
1776	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\360Update = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\360data\\saslxer.dll\",_RunAs@16"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe
1980	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 2004 wrote to memory of 1980	2004	rundll32.exe	28
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29
PID 1980 wrote to memory of 1776	1980	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Users\Admin\AppData\Local\360data\saslxer.dll",_RunAs@16
    3⤵
    - Loads dropped DLL
    PID:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\360data\saslxer.dll

Filesize
49KB

MD5
a91dedfb4735164393d48dd3260b6ae0

SHA1
cb7821b19ed590833c85c779d1718bf31637d608

SHA256
8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c

SHA512
44821e63bdd3ca223b59c942e5b131816c0c5a58ce6f0f7de81a30f19e8971a89a88487a342be135c6078f8f19bedfd0083604a58a046e1daed34807db7324c6

Download Submit
\Users\Admin\AppData\Local\360data\saslxer.dll

Filesize
49KB

MD5
a91dedfb4735164393d48dd3260b6ae0

SHA1
cb7821b19ed590833c85c779d1718bf31637d608

SHA256
8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c

SHA512
44821e63bdd3ca223b59c942e5b131816c0c5a58ce6f0f7de81a30f19e8971a89a88487a342be135c6078f8f19bedfd0083604a58a046e1daed34807db7324c6

Download Submit
\Users\Admin\AppData\Local\360data\saslxer.dll

Filesize
49KB

MD5
a91dedfb4735164393d48dd3260b6ae0

SHA1
cb7821b19ed590833c85c779d1718bf31637d608

SHA256
8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c

SHA512
44821e63bdd3ca223b59c942e5b131816c0c5a58ce6f0f7de81a30f19e8971a89a88487a342be135c6078f8f19bedfd0083604a58a046e1daed34807db7324c6

Download Submit
\Users\Admin\AppData\Local\360data\saslxer.dll

Filesize
49KB

MD5
a91dedfb4735164393d48dd3260b6ae0

SHA1
cb7821b19ed590833c85c779d1718bf31637d608

SHA256
8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c

SHA512
44821e63bdd3ca223b59c942e5b131816c0c5a58ce6f0f7de81a30f19e8971a89a88487a342be135c6078f8f19bedfd0083604a58a046e1daed34807db7324c6

Download Submit
\Users\Admin\AppData\Local\360data\saslxer.dll

Filesize
49KB

MD5
a91dedfb4735164393d48dd3260b6ae0

SHA1
cb7821b19ed590833c85c779d1718bf31637d608

SHA256
8e4e69460c41f2dca725a078c4b20551410c699eb376fa6e6faf148b6da9e45c

SHA512
44821e63bdd3ca223b59c942e5b131816c0c5a58ce6f0f7de81a30f19e8971a89a88487a342be135c6078f8f19bedfd0083604a58a046e1daed34807db7324c6

Download Submit
memory/1776-64-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/1776-66-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/1980-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1980-56-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/1980-65-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download

Analysis

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