8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316

Analysis

max time kernel
92s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2024, 23:13 UTC

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General

Target

8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe
Size

61KB
MD5

4b3b4255694ce418a57b69a25858a510
SHA1

8f6d4bd6db0ab11048123d3720b8b827d3652776
SHA256

8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316
SHA512

67125b61ba1deadba1b3b23cbfa83c7abae23cef50855afaa6d47e1eeb251504a824af8baad2b3a17dab157aefcb191a014bfb70a21a7d69ebcc266b129445e2
SSDEEP

1536:kQpQ5EP0ijnRTXJqCRSE9ruI6ggkgPIdI9Qf5ZM:kQIURTXJqCRSAruI6gMYhC

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2468	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2468	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2468	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	8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000a000000023b7a-4.dat	nsis_installer_1
behavioral2/files/0x000a000000023b7a-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 2468	4540	8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe	84
PID 4540 wrote to memory of 2468	4540	8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe	84
PID 4540 wrote to memory of 2468	4540	8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe	84

C:\Users\Admin\AppData\Local\Temp\8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe
"C:\Users\Admin\AppData\Local\Temp\8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540
- 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
  PID:2468

Network

DNS

ibf-cmi-1938953175.us-east-1.elb.amazonaws.com

Au_.exe

Remote address:

8.8.8.8:53

Request

ibf-cmi-1938953175.us-east-1.elb.amazonaws.com

IN A

Response
DNS

g.bing.com

Remote address:

8.8.8.8:53

Request

g.bing.com

IN A

Response

g.bing.com

IN CNAME

g-bing-com.ax-0001.ax-msedge.net

g-bing-com.ax-0001.ax-msedge.net

IN CNAME

ax-0001.ax-msedge.net

ax-0001.ax-msedge.net

IN A

150.171.27.10

ax-0001.ax-msedge.net

IN A

150.171.28.10
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

Remote address:

150.171.27.10:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MUID=15CFD1EDD33E64A9011CC4F8D20F65AD; domain=.bing.com; expires=Wed, 05-Nov-2025 23:13:21 GMT; path=/; SameSite=None; Secure; Priority=High;
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 266754F23A3B47A4BA298527A481F683 Ref B: LON601060102036 Ref C: 2024-10-11T23:13:21Z
date: Fri, 11 Oct 2024 23:13:21 GMT
GET

https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

Remote address:

150.171.27.10:443

Request

GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=15CFD1EDD33E64A9011CC4F8D20F65AD

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MSPTC=l_2Ht1LEM5ivT2INibW58rQSTX1hQyqyzHJSEMH0k2Q; domain=.bing.com; expires=Wed, 05-Nov-2025 23:13:21 GMT; path=/; Partitioned; secure; SameSite=None
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: BF95969BB6A3485A992B838299867101 Ref B: LON601060102036 Ref C: 2024-10-11T23:13:21Z
date: Fri, 11 Oct 2024 23:13:21 GMT
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

Remote address:

150.171.27.10:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=15CFD1EDD33E64A9011CC4F8D20F65AD; MSPTC=l_2Ht1LEM5ivT2INibW58rQSTX1hQyqyzHJSEMH0k2Q

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 9B4061BA171C4BACAFD3D64B56AB87A2 Ref B: LON601060102036 Ref C: 2024-10-11T23:13:21Z
date: Fri, 11 Oct 2024 23:13:21 GMT
DNS

2.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

2.159.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

197.87.175.4.in-addr.arpa

Remote address:

8.8.8.8:53

Request

197.87.175.4.in-addr.arpa

IN PTR

Response
DNS

71.209.201.84.in-addr.arpa

Remote address:

8.8.8.8:53

Request

71.209.201.84.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

240.221.184.93.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.221.184.93.in-addr.arpa

IN PTR

Response
DNS

69.209.201.84.in-addr.arpa

Remote address:

8.8.8.8:53

Request

69.209.201.84.in-addr.arpa

IN PTR

Response
DNS

142.72.21.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

142.72.21.2.in-addr.arpa

IN PTR

Response

142.72.21.2.in-addr.arpa

IN PTR

a2-21-72-142deploystaticakamaitechnologiescom
DNS

22.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

22.236.111.52.in-addr.arpa

IN PTR

Response

150.171.27.10:443

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

tls, http2

2.0kB
9.4kB
22
19

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=f2af5576d15c43a995ef8db96742df4c&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

HTTP Response

204

8.8.8.8:53

ibf-cmi-1938953175.us-east-1.elb.amazonaws.com

dns

Au_.exe

92 B
174 B
1
1

DNS Request

ibf-cmi-1938953175.us-east-1.elb.amazonaws.com
8.8.8.8:53

g.bing.com

dns

56 B
148 B
1
1

DNS Request

g.bing.com

DNS Response

150.171.27.10

150.171.28.10
8.8.8.8:53

2.159.190.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

2.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

197.87.175.4.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

197.87.175.4.in-addr.arpa
8.8.8.8:53

71.209.201.84.in-addr.arpa

dns

72 B
132 B
1
1

DNS Request

71.209.201.84.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

240.221.184.93.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

240.221.184.93.in-addr.arpa
8.8.8.8:53

69.209.201.84.in-addr.arpa

dns

72 B
132 B
1
1

DNS Request

69.209.201.84.in-addr.arpa
8.8.8.8:53

142.72.21.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

142.72.21.2.in-addr.arpa
8.8.8.8:53

22.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

22.236.111.52.in-addr.arpa

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsh8C64.tmp\inetc.dll

Filesize
21KB

MD5
92ec4dd8c0ddd8c4305ae1684ab65fb0

SHA1
d850013d582a62e502942f0dd282cc0c29c4310e

SHA256
5520208a33e6409c129b4ea1270771f741d95afe5b048c2a1e6a2cc2ad829934

SHA512
581351aef694f2489e1a0977ebca55c4d7268ca167127cefb217ed0d2098136c7eb433058469449f75be82b8e5d484c9e7b6cf0b32535063709272d7810ec651

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

Filesize
61KB

MD5
4b3b4255694ce418a57b69a25858a510

SHA1
8f6d4bd6db0ab11048123d3720b8b827d3652776

SHA256
8d0f83026970356c75221aa6a1be2d3a8dc37f17bb6ab31f81458fe95c5c6316

SHA512
67125b61ba1deadba1b3b23cbfa83c7abae23cef50855afaa6d47e1eeb251504a824af8baad2b3a17dab157aefcb191a014bfb70a21a7d69ebcc266b129445e2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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