e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 11:27 UTC

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General

Target

e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe
Size

3.0MB
MD5

45d58201f3fbe481da301a96064dd3b7
SHA1

b08eacb5c6f00fa113e04d80af8ec2e915632cab
SHA256

e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce
SHA512

63c264a843418ceef13f7bba9b76f5e7639343420735bcf358dce201f719f938e6d96fa14810d278cbcc5a1255e21eb74bf94a4fc29d6531d58920d8d636b51d
SSDEEP

49152:dGoEhnl6Hv93ZOnlOaN+XiuluZp/gLRSHHP7tiiNTlTiNUiRw+fsO0cpDIy9TKfI:4/hl6H1ZQoRXiYW/yRGcweewrs9cpDb5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2596	is-9I5V1.tmp
4148	OSJMount.exe
3416	OSJMount.exe

Loads dropped DLL 1 IoCs

pid	Process
2596	is-9I5V1.tmp

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-9I5V1.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\unins000.dat	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\is-DUAF7.tmp	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\is-DT62R.tmp	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\is-3SJ87.tmp	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\is-QUCJ7.tmp	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\is-7N8RG.tmp	is-9I5V1.tmp
File created	C:\Program Files (x86)\OSJMount\is-9SHR8.tmp	is-9I5V1.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs net.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 2596	4160	e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe	88
PID 4160 wrote to memory of 2596	4160	e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe	88
PID 4160 wrote to memory of 2596	4160	e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe	88
PID 2596 wrote to memory of 2040	2596	is-9I5V1.tmp	89
PID 2596 wrote to memory of 2040	2596	is-9I5V1.tmp	89
PID 2596 wrote to memory of 2040	2596	is-9I5V1.tmp	89
PID 2596 wrote to memory of 4148	2596	is-9I5V1.tmp	91
PID 2596 wrote to memory of 4148	2596	is-9I5V1.tmp	91
PID 2596 wrote to memory of 4148	2596	is-9I5V1.tmp	91
PID 2040 wrote to memory of 3868	2040	net.exe	93
PID 2040 wrote to memory of 3868	2040	net.exe	93
PID 2040 wrote to memory of 3868	2040	net.exe	93
PID 2596 wrote to memory of 3416	2596	is-9I5V1.tmp	95
PID 2596 wrote to memory of 3416	2596	is-9I5V1.tmp	95
PID 2596 wrote to memory of 3416	2596	is-9I5V1.tmp	95

C:\Users\Admin\AppData\Local\Temp\e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe
"C:\Users\Admin\AppData\Local\Temp\e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Users\Admin\AppData\Local\Temp\is-QLE1V.tmp\is-9I5V1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-QLE1V.tmp\is-9I5V1.tmp" /SL4 $B01D4 "C:\Users\Admin\AppData\Local\Temp\e430905487126bed4644fa983ee3d5418f9bcef7e5a266eaac288e26c5d542ce.exe" 2880399 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2040
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:3868
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4148
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3416

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

73.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.31.126.40.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

9.228.82.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

9.228.82.20.in-addr.arpa

IN PTR

Response
DNS

208.194.73.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

208.194.73.20.in-addr.arpa

IN PTR

Response
DNS

129.252.72.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

129.252.72.23.in-addr.arpa

IN PTR

Response

129.252.72.23.in-addr.arpa

IN PTR

a23-72-252-129deploystaticakamaitechnologiescom
DNS

103.169.127.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

103.169.127.40.in-addr.arpa

IN PTR

Response
DNS

226.173.246.72.in-addr.arpa

Remote address:

8.8.8.8:53

Request

226.173.246.72.in-addr.arpa

IN PTR

Response

226.173.246.72.in-addr.arpa

IN PTR

a72-246-173-226deploystaticakamaitechnologiescom
DNS

171.39.242.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

171.39.242.20.in-addr.arpa

IN PTR

Response
DNS

254.211.247.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

254.211.247.8.in-addr.arpa

IN PTR

Response
DNS

241.154.82.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.154.82.20.in-addr.arpa

IN PTR

Response
DNS

134.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

134.32.126.40.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

9.57.101.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

9.57.101.20.in-addr.arpa

IN PTR

Response
DNS

1.202.248.87.in-addr.arpa

Remote address:

8.8.8.8:53

Request

1.202.248.87.in-addr.arpa

IN PTR

Response

1.202.248.87.in-addr.arpa

IN PTR

https-87-248-202-1amsllnwnet
DNS

158.240.127.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

158.240.127.40.in-addr.arpa

IN PTR

Response
DNS

datasheet.fun

OSJMount.exe

Remote address:

8.8.8.8:53

Request

datasheet.fun

IN A

Response

datasheet.fun

IN A

172.67.166.109

datasheet.fun

IN A

104.21.89.251
GET

http://datasheet.fun/manual/avon_5_2022.pdf?cc31c815

OSJMount.exe

Remote address:

172.67.166.109:80

Request

GET /manual/avon_5_2022.pdf?cc31c815 HTTP/1.1
User-Agent: Mozilla/5.0
Host: datasheet.fun
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 11 Oct 2023 20:02:00 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
CF-Cache-Status: HIT
Age: 147
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Se2EM7BBG%2F5i6gZBe4EBAzREsWPhbIGjiVQkZi%2FeA%2BiTOo3MjbPhH0ty73wd%2FCbf6%2FfxtmYaqTDZDXRVpmRZ8fBB2LwDRdwESYxMMAUGzAXqTfNtF9m%2FY5ljjc%2BTyNnf"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 8149b2bfcf286718-AMS
alt-svc: h3=":443"; ma=86400
DNS

109.166.67.172.in-addr.arpa

Remote address:

8.8.8.8:53

Request

109.166.67.172.in-addr.arpa

IN PTR

Response
DNS

23.173.189.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.173.189.20.in-addr.arpa

IN PTR

Response

172.67.166.109:80

http://datasheet.fun/manual/avon_5_2022.pdf?cc31c815

http

OSJMount.exe

350 B
930 B
5
4

HTTP Request

GET http://datasheet.fun/manual/avon_5_2022.pdf?cc31c815

HTTP Response

404

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

73.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

73.31.126.40.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

9.228.82.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

9.228.82.20.in-addr.arpa
8.8.8.8:53

208.194.73.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

208.194.73.20.in-addr.arpa
8.8.8.8:53

129.252.72.23.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

129.252.72.23.in-addr.arpa
8.8.8.8:53

103.169.127.40.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

103.169.127.40.in-addr.arpa
8.8.8.8:53

226.173.246.72.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

226.173.246.72.in-addr.arpa
8.8.8.8:53

171.39.242.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

171.39.242.20.in-addr.arpa
8.8.8.8:53

254.211.247.8.in-addr.arpa

dns

72 B
126 B
1
1

DNS Request

254.211.247.8.in-addr.arpa
8.8.8.8:53

241.154.82.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.154.82.20.in-addr.arpa
8.8.8.8:53

134.32.126.40.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

134.32.126.40.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

9.57.101.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

9.57.101.20.in-addr.arpa
8.8.8.8:53

1.202.248.87.in-addr.arpa

dns

71 B
116 B
1
1

DNS Request

1.202.248.87.in-addr.arpa
8.8.8.8:53

158.240.127.40.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

158.240.127.40.in-addr.arpa
8.8.8.8:53

datasheet.fun

dns

OSJMount.exe

59 B
91 B
1
1

DNS Request

datasheet.fun

DNS Response

172.67.166.109

104.21.89.251
8.8.8.8:53

109.166.67.172.in-addr.arpa

dns

73 B
135 B
1
1

DNS Request

109.166.67.172.in-addr.arpa
8.8.8.8:53

23.173.189.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

23.173.189.20.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\OSJMount\OSJMount.exe

Filesize
2.2MB

MD5
36631e2599a75bc922e0c23f440dc790

SHA1
daa13455da1eb43b88b15027efe995757e175d09

SHA256
fd68a0abacafb4ce4c28a8ef2a2eb2eb0be1601f4f2000283a76e93a53996fa8

SHA512
5edc21603eec5f128e8ed881a222e4726fc999babe2a0ca884a651f3a13ac98b3bb62a47466532c8f8210cc70515649f3068f594a776248140278b8d3f805b61

Download Submit
C:\Program Files (x86)\OSJMount\OSJMount.exe

Filesize
2.2MB

MD5
36631e2599a75bc922e0c23f440dc790

SHA1
daa13455da1eb43b88b15027efe995757e175d09

SHA256
fd68a0abacafb4ce4c28a8ef2a2eb2eb0be1601f4f2000283a76e93a53996fa8

SHA512
5edc21603eec5f128e8ed881a222e4726fc999babe2a0ca884a651f3a13ac98b3bb62a47466532c8f8210cc70515649f3068f594a776248140278b8d3f805b61

Download Submit
C:\Program Files (x86)\OSJMount\OSJMount.exe

Filesize
2.2MB

MD5
36631e2599a75bc922e0c23f440dc790

SHA1
daa13455da1eb43b88b15027efe995757e175d09

SHA256
fd68a0abacafb4ce4c28a8ef2a2eb2eb0be1601f4f2000283a76e93a53996fa8

SHA512
5edc21603eec5f128e8ed881a222e4726fc999babe2a0ca884a651f3a13ac98b3bb62a47466532c8f8210cc70515649f3068f594a776248140278b8d3f805b61

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KQQGI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QLE1V.tmp\is-9I5V1.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QLE1V.tmp\is-9I5V1.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
memory/2596-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2596-8-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/2596-43-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/3416-62-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-59-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-83-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-80-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-77-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-76-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/3416-44-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-73-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-50-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-53-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-56-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3416-69-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/3416-68-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/3416-65-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/4148-38-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/4148-34-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/4148-35-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/4148-39-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/4160-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4160-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4160-41-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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