06cfba5aac3903e77f9ee5b6412141ce30dc531ca25b08d5dafe89cdf8f0fa8f

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 15:45

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General

Target

$SYSDIR/$SYSDIR/$_1_.exe
Size

59KB
MD5

ff88d047122802233a05beca757f266f
SHA1

08e071c69db396187388bdb356879440d64fddc3
SHA256

03023c53836da08fe6432abf34eacc0377110ee6d492bb9d95086ec934961a2f
SHA512

f523381a60d2ba3fb30352949a6a2d0ff69eb91b9543827b3495386396d6bd041073ea5e26c0593996086594eedc2af1032655084e71a9f647ff486ce75baca6
SSDEEP

1536:eQpQ5EP0ijnRTXJF4Romu/k5YYAEdyCg4MEbl:eQIURTXJF45L5YYTws

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2120	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2036	$_1_.exe
2120	Au_.exe
2120	Au_.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	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	$_1_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral5/files/0x0033000000018650-2.dat	nsis_installer_1
behavioral5/files/0x0033000000018650-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2120	2036	$_1_.exe	30
PID 2036 wrote to memory of 2120	2036	$_1_.exe	30
PID 2036 wrote to memory of 2120	2036	$_1_.exe	30
PID 2036 wrote to memory of 2120	2036	$_1_.exe	30

C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_1_.exe
"C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_1_.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2120

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:\Users\Admin\AppData\Local\Temp\nsjC3B0.tmp\validate.ini

Filesize
530B

MD5
3d7cde15b38c0998656da87450923878

SHA1
239c17f817fe664e6de92e18c57e2a51ab5c6ee6

SHA256
c6788de0e90e0cafe71a5fcc08d918f0170429aa19b0bc710a430bc52cc5a714

SHA512
859a94657d151e82d4b15e617457ae20bde87e434316bb4a7a4df949d0eb43fc5cba81233a6645cc61b9ca9776229e8a74fa0e149e6a98f5f997dd33a5b82931

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC3B0.tmp\validate.ini

Filesize
457B

MD5
0365b2a636a5f540fe2840b4b1b58f90

SHA1
03a29e4718da24d142f91997b0ab2fa54dd90d66

SHA256
79d7b8657ea36b14e1394e35162114da7db287d8bb5e5063b112a3f30b81c997

SHA512
feeacb81280ee06572dc94134ecb7b6db0f15c4b6c0f64f1b04d01e87919b06e22b41dd38e1129c4c3efc335f71f0c35d4700025ba2e54f39a0125b36f9c377e

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\Users\Admin\AppData\Local\Temp\nsjC3B0.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit
\Users\Admin\AppData\Local\Temp\nsjC3B0.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
59KB

MD5
ff88d047122802233a05beca757f266f

SHA1
08e071c69db396187388bdb356879440d64fddc3

SHA256
03023c53836da08fe6432abf34eacc0377110ee6d492bb9d95086ec934961a2f

SHA512
f523381a60d2ba3fb30352949a6a2d0ff69eb91b9543827b3495386396d6bd041073ea5e26c0593996086594eedc2af1032655084e71a9f647ff486ce75baca6

Download Submit