390d7f26d6eb9d933945df3d6f684f49388e13e2de4f936d81d1388194c15887

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 07:12

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General

Target

$PLUGINSDIR/exadx4_desknote.exe
Size

41KB
MD5

ff614a2aece869e49b4ee75eb7b14000
SHA1

3a7f77d114db71cb16b63c336b368cf747c42def
SHA256

a99c79a17d104a5f00ab232474e093e5d8a64f1674de386764c8af33f83901f5
SHA512

370fcabdb0a185c8447591c47d262b40dc457704c0b21fe1ec77327b96f7d70810aef7a6b678a1924abdc1f1097d6d5c86788bdf479162c8baf647405e2937fb
SSDEEP

768:EHJd0TpH2+bQ2dUWVX9Hfv1JMWmtLEJOyuBxG0D3mjfS3XJyojNctAllGws0q5:EpgpHzb9dZVX9fHMvG0D3XJygNcOmyq5

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
960	exadx4_desknote.exe
960	exadx4_desknote.exe
960	exadx4_desknote.exe

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 2 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	exadx4_desknote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 696	960	exadx4_desknote.exe	87
PID 960 wrote to memory of 696	960	exadx4_desknote.exe	87
PID 960 wrote to memory of 696	960	exadx4_desknote.exe	87

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\exadx4_desknote.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\exadx4_desknote.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c \DelUS.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\DelUS.bat

Filesize
190B

MD5
9039b1e775b7dc3eacae958da88d54f2

SHA1
d2c9a9924485dc8d6537ea0df35b9f885f2e3075

SHA256
5480b777f723af9aa6ae24463286bcc5e356555e8f93a03dd25756a04c3be0ff

SHA512
93ae323ccacdba94c9815d079cd2cce265a6cf07fa2904b644e02f930178126af215ca72323b25a4060d7d3e5487217d1662bac90ca052813de18c9661aafe0d

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C:\Users\Admin\AppData\Local\Temp\nsl958A.tmp\DLLWebCount.dll

Filesize
28KB

MD5
0bdd7c6f1046ea4b42839f991ae53fb2

SHA1
cb9baefb10159b4a684fa1ee4372e7715865052d

SHA256
0a0019b2603dbc4505453c2501255ab0cc0b3c317ece4a6ce0cfb6a02a30907b

SHA512
96f41497f25d7bc81f51ab167f74243b4b767089c89c26f9752ef518fa60dedd2722c66ae87dad2334bcce1622bc12f7b9b892ae654ca58cecd9f35c9f1dc163

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C:\Users\Admin\AppData\Local\Temp\nsl958A.tmp\FILEDownPlug.dll

Filesize
20KB

MD5
2dc96e6ef39e0472a2e21f3e71157cea

SHA1
660377e9d5c7189a9b8320925bc0c4620f7d7cc7

SHA256
92e1e72c1fd1f941172dc37ac8a29732e326d5482602c981d1b69bc31b0907ba

SHA512
b321d349c65e4eef7475ed4275f7e5fcaf1748e9da184da6eef3bc4c4d48a4e307f5e88c80739c669d2cec2c3cd3f933db78aa471f8190de9d0728b1d9dc2273

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C:\Users\Admin\AppData\Local\Temp\nsl958A.tmp\SelfDelete.dll

Filesize
24KB

MD5
7bf1bd7661385621c7908e36958f582e

SHA1
43242d7731c097e95fb96753c8262609ff929410

SHA256
c0ad2c13d48c9fe62f898da822a5f08be3bf6c4e2c1c7ffdf7634f2ca4a8859e

SHA512
8317af5cc3ac802eb095f3fa8cc71daa1265ca58fead031c07872f3d4bb07663a7002ae734fad392a7617f0923fe0caf1f54ed55afdf8516a6a08e202d86fa7f

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