d178a7f9b50e149e86c270631962c395e485ecc55eb0368bdea1e08a896a6f76

Analysis

max time kernel
100s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 11:10

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General

Target

Uninstall.exe
Size

118KB
MD5

bb8a6d6cf64ee612d5d2034462b02a31
SHA1

db1b571bd1af50c9d3339c6b34ea6eb0a0a4ccc9
SHA256

66651371cee81edda845e1ec4ae3b84163b86686d6910aaace4396cd20c2b8e4
SHA512

f3884ea240279530d3764bceb713915d5d75e8d65fdaa8809eeba7ccff405cc585d2c0c1ba1e3683bd229a3459eed5e3a7ce551409d91d31b4f7c555d8ef2ca6
SSDEEP

3072:5QIURTXJOk9Hc3/nl6LAHkzI1UfgEA6IIydEnD7Y+L6pMal:5s8k96kAD6D7Yual

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1572	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2380	Uninstall.exe
1572	Au_.exe
1572	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral17/files/0x0006000000016dbd-2.dat	nsis_installer_1
behavioral17/files/0x0006000000016dbd-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1572	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30
PID 2380 wrote to memory of 1572	2380	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1572

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

\Users\Admin\AppData\Local\Temp\nstA8BF.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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\Users\Admin\AppData\Local\Temp\nstA8BF.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

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

Filesize
118KB

MD5
bb8a6d6cf64ee612d5d2034462b02a31

SHA1
db1b571bd1af50c9d3339c6b34ea6eb0a0a4ccc9

SHA256
66651371cee81edda845e1ec4ae3b84163b86686d6910aaace4396cd20c2b8e4

SHA512
f3884ea240279530d3764bceb713915d5d75e8d65fdaa8809eeba7ccff405cc585d2c0c1ba1e3683bd229a3459eed5e3a7ce551409d91d31b4f7c555d8ef2ca6

Download Submit