4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7

General

Target

4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe
Size

2.9MB
MD5

5cfbb6d377f5fe4eb85f7974759bf974
SHA1

5718078125c91f55fc4e3c4615eb82c31d58f03b
SHA256

4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7
SHA512

89f3a8596d8e42f537a71c461977444c20007a2a1e8ebbcfc44e22d3710cc4b97cafe204119bf8c5c0bca25024a91560374707942054a133cb8a9af7acb2cf42
SSDEEP

49152:nGvJS4eA33qH1XJDHQFvTqhygg6n06XjQDZlZW030ie5mZEZqK4Uq9KXsVxqi0ek:GA4eW3qVZT4v9gg606zc/gU0ie5mZ4jV

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
828	is-6G5BF.tmp
4228	OSNMount.exe
4996	OSNMount.exe

Loads dropped DLL 1 IoCs

pid	Process
828	is-6G5BF.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	51.159.66.125

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 created	C:\Program Files (x86)\OSNMount\is-I6AEH.tmp	is-6G5BF.tmp
File created	C:\Program Files (x86)\OSNMount\is-DUHI0.tmp	is-6G5BF.tmp
File created	C:\Program Files (x86)\OSNMount\unins000.dat	is-6G5BF.tmp
File created	C:\Program Files (x86)\OSNMount\is-1NIV5.tmp	is-6G5BF.tmp
File created	C:\Program Files (x86)\OSNMount\is-O7AEH.tmp	is-6G5BF.tmp
File opened for modification	C:\Program Files (x86)\OSNMount\OSNMount.exe	is-6G5BF.tmp
File created	C:\Program Files (x86)\OSNMount\is-LE7ET.tmp	is-6G5BF.tmp
File created	C:\Program Files (x86)\OSNMount\is-0597N.tmp	is-6G5BF.tmp
File opened for modification	C:\Program Files (x86)\OSNMount\unins000.dat	is-6G5BF.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 2936 wrote to memory of 828	2936	4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe	86
PID 2936 wrote to memory of 828	2936	4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe	86
PID 2936 wrote to memory of 828	2936	4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe	86
PID 828 wrote to memory of 3964	828	is-6G5BF.tmp	87
PID 828 wrote to memory of 3964	828	is-6G5BF.tmp	87
PID 828 wrote to memory of 3964	828	is-6G5BF.tmp	87
PID 828 wrote to memory of 4228	828	is-6G5BF.tmp	89
PID 828 wrote to memory of 4228	828	is-6G5BF.tmp	89
PID 828 wrote to memory of 4228	828	is-6G5BF.tmp	89
PID 3964 wrote to memory of 3596	3964	net.exe	90
PID 3964 wrote to memory of 3596	3964	net.exe	90
PID 3964 wrote to memory of 3596	3964	net.exe	90
PID 828 wrote to memory of 4996	828	is-6G5BF.tmp	91
PID 828 wrote to memory of 4996	828	is-6G5BF.tmp	91
PID 828 wrote to memory of 4996	828	is-6G5BF.tmp	91

C:\Users\Admin\AppData\Local\Temp\4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe
"C:\Users\Admin\AppData\Local\Temp\4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\is-DJUOO.tmp\is-6G5BF.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DJUOO.tmp\is-6G5BF.tmp" /SL4 $90066 "C:\Users\Admin\AppData\Local\Temp\4812617b61d06031839627e08866ac56b97c568ff7efc97faf8badea4e873ae7.exe" 2846236 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 29
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3964
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 29
      4⤵
      PID:3596
- - C:\Program Files (x86)\OSNMount\OSNMount.exe
    "C:\Program Files (x86)\OSNMount\OSNMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4228
- - C:\Program Files (x86)\OSNMount\OSNMount.exe
    "C:\Program Files (x86)\OSNMount\OSNMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.3MB

MD5
016e672371a4716f6f7b5f14a0d22006

SHA1
5a1a731ec902a26a4f0bb7774e1c25451b9a0f01

SHA256
1328eb253044694b17d4343f4eb000c95a7bfb0c478bc315eec842e7f7a2d8bc

SHA512
7dfceeb44a7d2a7e6c918bffd4c902241ecd4a8f70c81ad0d2fe31a91f05161c25229aafef40c153e13910b0ee4c9214126bd673472bac07ffb2e29668df5110

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

Filesize
2.3MB

MD5
016e672371a4716f6f7b5f14a0d22006

SHA1
5a1a731ec902a26a4f0bb7774e1c25451b9a0f01

SHA256
1328eb253044694b17d4343f4eb000c95a7bfb0c478bc315eec842e7f7a2d8bc

SHA512
7dfceeb44a7d2a7e6c918bffd4c902241ecd4a8f70c81ad0d2fe31a91f05161c25229aafef40c153e13910b0ee4c9214126bd673472bac07ffb2e29668df5110

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

Filesize
2.3MB

MD5
016e672371a4716f6f7b5f14a0d22006

SHA1
5a1a731ec902a26a4f0bb7774e1c25451b9a0f01

SHA256
1328eb253044694b17d4343f4eb000c95a7bfb0c478bc315eec842e7f7a2d8bc

SHA512
7dfceeb44a7d2a7e6c918bffd4c902241ecd4a8f70c81ad0d2fe31a91f05161c25229aafef40c153e13910b0ee4c9214126bd673472bac07ffb2e29668df5110

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DJUOO.tmp\is-6G5BF.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DJUOO.tmp\is-6G5BF.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-M3NAU.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/828-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/828-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/828-43-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2936-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2936-42-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4228-34-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4228-37-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4228-33-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-52-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-71-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-41-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-55-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-58-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-61-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-64-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-65-0x0000000000950000-0x0000000000999000-memory.dmp

Filesize
292KB

Download
memory/4996-66-0x0000000000950000-0x0000000000999000-memory.dmp

Filesize
292KB

Download
memory/4996-49-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-72-0x0000000000950000-0x0000000000999000-memory.dmp

Filesize
292KB

Download
memory/4996-75-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-78-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-81-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-84-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-87-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/4996-90-0x0000000000950000-0x0000000000999000-memory.dmp

Filesize
292KB

Download
memory/4996-91-0x0000000000950000-0x0000000000999000-memory.dmp

Filesize
292KB

Download
memory/4996-92-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing