a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09

General

Target

a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe
Size

2.9MB
MD5

b1616a0117b68561f23e137215a16938
SHA1

19fff484c83d3f6b7b7ad25be915ccd6eb294170
SHA256

a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09
SHA512

0678aea3258e17768714862ce372c13c9b804af8baf84ef9b5fa9cadbb66965e428927118301f07f76950ff4fecac814aee61d941d7dd97b667f0a4ba5f17e74
SSDEEP

49152:YGvJS4eA33qH1XJDHQFvTqhygg6n06XjQDZlZW030ie5mZEZqK4Uq9KXsVxqi0ek:lA4eW3qVZT4v9gg606zc/gU0ie5mZ4jV

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2756	is-GUOFL.tmp
3420	OSNMount.exe
2036	OSNMount.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	is-GUOFL.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\unins000.dat	is-GUOFL.tmp
File created	C:\Program Files (x86)\OSNMount\is-U467V.tmp	is-GUOFL.tmp
File created	C:\Program Files (x86)\OSNMount\is-43DNP.tmp	is-GUOFL.tmp
File created	C:\Program Files (x86)\OSNMount\is-N9HF3.tmp	is-GUOFL.tmp
File opened for modification	C:\Program Files (x86)\OSNMount\OSNMount.exe	is-GUOFL.tmp
File created	C:\Program Files (x86)\OSNMount\is-CA3CT.tmp	is-GUOFL.tmp
File created	C:\Program Files (x86)\OSNMount\is-R81G8.tmp	is-GUOFL.tmp
File created	C:\Program Files (x86)\OSNMount\is-PRM87.tmp	is-GUOFL.tmp
File opened for modification	C:\Program Files (x86)\OSNMount\unins000.dat	is-GUOFL.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 2332 wrote to memory of 2756	2332	a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe	70
PID 2332 wrote to memory of 2756	2332	a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe	70
PID 2332 wrote to memory of 2756	2332	a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe	70
PID 2756 wrote to memory of 4956	2756	is-GUOFL.tmp	71
PID 2756 wrote to memory of 4956	2756	is-GUOFL.tmp	71
PID 2756 wrote to memory of 4956	2756	is-GUOFL.tmp	71
PID 2756 wrote to memory of 3420	2756	is-GUOFL.tmp	72
PID 2756 wrote to memory of 3420	2756	is-GUOFL.tmp	72
PID 2756 wrote to memory of 3420	2756	is-GUOFL.tmp	72
PID 4956 wrote to memory of 2924	4956	net.exe	74
PID 4956 wrote to memory of 2924	4956	net.exe	74
PID 4956 wrote to memory of 2924	4956	net.exe	74
PID 2756 wrote to memory of 2036	2756	is-GUOFL.tmp	75
PID 2756 wrote to memory of 2036	2756	is-GUOFL.tmp	75
PID 2756 wrote to memory of 2036	2756	is-GUOFL.tmp	75

C:\Users\Admin\AppData\Local\Temp\a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe
"C:\Users\Admin\AppData\Local\Temp\a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\is-IG9H8.tmp\is-GUOFL.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-IG9H8.tmp\is-GUOFL.tmp" /SL4 $50226 "C:\Users\Admin\AppData\Local\Temp\a224180fe567328fbbeb49a3c7c6f75573c3191609f675a7dc6b610572f5af09.exe" 2846236 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 29
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4956
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 29
      4⤵
      PID:2924
- - C:\Program Files (x86)\OSNMount\OSNMount.exe
    "C:\Program Files (x86)\OSNMount\OSNMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3420
- - C:\Program Files (x86)\OSNMount\OSNMount.exe
    "C:\Program Files (x86)\OSNMount\OSNMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2036

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

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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-IG9H8.tmp\is-GUOFL.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IG9H8.tmp\is-GUOFL.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
\Users\Admin\AppData\Local\Temp\is-SNQ3R.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2036-49-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-72-0x0000000000970000-0x00000000009B9000-memory.dmp

Filesize
292KB

Download
memory/2036-93-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-89-0x0000000000970000-0x00000000009B9000-memory.dmp

Filesize
292KB

Download
memory/2036-88-0x0000000000970000-0x00000000009B9000-memory.dmp

Filesize
292KB

Download
memory/2036-87-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-41-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-84-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-81-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-78-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-75-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-52-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-55-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-58-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-61-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-64-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2036-66-0x0000000000970000-0x00000000009B9000-memory.dmp

Filesize
292KB

Download
memory/2036-65-0x0000000000970000-0x00000000009B9000-memory.dmp

Filesize
292KB

Download
memory/2036-71-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/2332-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2332-42-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2756-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2756-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3420-34-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/3420-37-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/3420-38-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download
memory/3420-33-0x0000000000400000-0x000000000064D000-memory.dmp

Filesize
2.3MB

Download

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