86e33fc2206b52c45b247a448b08e01e3b9d58879f708906feada401723f7b3f

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/10/2024, 13:49

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General

Target

uninst.exe
Size

331KB
MD5

0778f66f3f44bd46a06190f9ef6ce1fd
SHA1

b9e70388f2a25192575da94b8ed1ccbe25e103e9
SHA256

47ceb78f7f36aa428987ab001446ea738283570936624b6a935e049b4224bbf4
SHA512

d5901d958957e68664427944166670a5969073aef60a1ee9547cd4721ba21e8050ac08a417d6e78d6afcca9bd69f41fdee592801f4845706324c7a41ccd8801d
SSDEEP

3072:TqBFJLzgOJJHwEn4JuFsQOe5zlll+lllSllllllllllallll5llll/lllllllllk:+PdZzhsuNovfvFoEtRIuE7

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2856	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	Au_.exe

Loads dropped DLL 41 IoCs

pid	Process
2720	uninst.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral15/files/0x0005000000019fb9-2.dat	nsis_installer_1
behavioral15/files/0x0005000000019fb9-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe
2856	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2856	2720	uninst.exe	30
PID 2720 wrote to memory of 2856	2720	uninst.exe	30
PID 2720 wrote to memory of 2856	2720	uninst.exe	30
PID 2720 wrote to memory of 2856	2720	uninst.exe	30
PID 2720 wrote to memory of 2856	2720	uninst.exe	30
PID 2720 wrote to memory of 2856	2720	uninst.exe	30
PID 2720 wrote to memory of 2856	2720	uninst.exe	30

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2856

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\nseF27B.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
\Users\Admin\AppData\Local\Temp\nseF27B.tmp\NSISdl.dll

Filesize
14KB

MD5
254f13dfd61c5b7d2119eb2550491e1d

SHA1
5083f6804ee3475f3698ab9e68611b0128e22fd6

SHA256
fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

SHA512
fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7

Download Submit
\Users\Admin\AppData\Local\Temp\nseF27B.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

Filesize
331KB

MD5
0778f66f3f44bd46a06190f9ef6ce1fd

SHA1
b9e70388f2a25192575da94b8ed1ccbe25e103e9

SHA256
47ceb78f7f36aa428987ab001446ea738283570936624b6a935e049b4224bbf4

SHA512
d5901d958957e68664427944166670a5969073aef60a1ee9547cd4721ba21e8050ac08a417d6e78d6afcca9bd69f41fdee592801f4845706324c7a41ccd8801d

Download Submit
memory/2856-34-0x00000000008D0000-0x00000000008D3000-memory.dmp

Filesize
12KB

Download
memory/2856-29-0x00000000008D0000-0x00000000008D3000-memory.dmp

Filesize
12KB

Download
memory/2856-28-0x00000000008D0000-0x00000000008D3000-memory.dmp

Filesize
12KB

Download
memory/2856-170-0x00000000008D0000-0x00000000008D2000-memory.dmp

Filesize
8KB

Download