0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb

General

Target

0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe
Size

2.8MB
MD5

ea1909888b75c9f83fef1d3156e736a4
SHA1

74dc0a31679d0a95fda1a1f96dd87a41b4d82d59
SHA256

0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb
SHA512

c2ad7c6870fc822dbb29460ddc1269291f9321a97a326c70ae6c5d96717ac70cc47650018397daf8588b75b6f0b13b94d5fdbd3cc91e5f07fb86c48cf5d6b696
SSDEEP

49152:nGUT0miRnEMHGQzjCAeYR3LS/243RMyD/epO1k6Ca5bRGd8tsUM05:GoZ0EUtuAFRe/N3G2/epT6XFRGdysUd5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3836	is-65MS9.tmp
1396	OSJMount.exe
1464	OSJMount.exe

Loads dropped DLL 1 IoCs

pid	Process
3836	is-65MS9.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)\OSJMount\unins000.dat	is-65MS9.tmp
File created	C:\Program Files (x86)\OSJMount\is-95H16.tmp	is-65MS9.tmp
File created	C:\Program Files (x86)\OSJMount\is-MIB6Q.tmp	is-65MS9.tmp
File created	C:\Program Files (x86)\OSJMount\is-4EAF6.tmp	is-65MS9.tmp
File created	C:\Program Files (x86)\OSJMount\is-CPSME.tmp	is-65MS9.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-65MS9.tmp
File created	C:\Program Files (x86)\OSJMount\is-S4DSM.tmp	is-65MS9.tmp
File created	C:\Program Files (x86)\OSJMount\is-CNDCQ.tmp	is-65MS9.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-65MS9.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 5040 wrote to memory of 3836	5040	0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe	86
PID 5040 wrote to memory of 3836	5040	0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe	86
PID 5040 wrote to memory of 3836	5040	0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe	86
PID 3836 wrote to memory of 1336	3836	is-65MS9.tmp	88
PID 3836 wrote to memory of 1336	3836	is-65MS9.tmp	88
PID 3836 wrote to memory of 1336	3836	is-65MS9.tmp	88
PID 3836 wrote to memory of 1396	3836	is-65MS9.tmp	90
PID 3836 wrote to memory of 1396	3836	is-65MS9.tmp	90
PID 3836 wrote to memory of 1396	3836	is-65MS9.tmp	90
PID 1336 wrote to memory of 4216	1336	net.exe	91
PID 1336 wrote to memory of 4216	1336	net.exe	91
PID 1336 wrote to memory of 4216	1336	net.exe	91
PID 3836 wrote to memory of 1464	3836	is-65MS9.tmp	92
PID 3836 wrote to memory of 1464	3836	is-65MS9.tmp	92
PID 3836 wrote to memory of 1464	3836	is-65MS9.tmp	92

C:\Users\Admin\AppData\Local\Temp\0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe
"C:\Users\Admin\AppData\Local\Temp\0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\is-83SG1.tmp\is-65MS9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-83SG1.tmp\is-65MS9.tmp" /SL4 $701C2 "C:\Users\Admin\AppData\Local\Temp\0833191b9ec757d98ab5adf512d66cbdc5e973e47808db0fa2c36149b55dd4bb.exe" 2671598 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:4216
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1396
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1464

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)\OSJMount\OSJMount.exe

Filesize
2.0MB

MD5
32ffe7c35f2e8a4a17ff12056b29b0fc

SHA1
27ec0310853397657e376c8a9dbefe383c7379e6

SHA256
70bdffe8a76f609ddbff4e2b21c917b8576157c4527f1a3af84912e949707df6

SHA512
6de752f1f1aebdf618c1d3b59786dc0fab9d44cd1fca499345cf5f5b5021e0dacc926a10243359f4c7e8581d97860af2982734760215dadc3847ea0818c7d5f8

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

Filesize
2.0MB

MD5
32ffe7c35f2e8a4a17ff12056b29b0fc

SHA1
27ec0310853397657e376c8a9dbefe383c7379e6

SHA256
70bdffe8a76f609ddbff4e2b21c917b8576157c4527f1a3af84912e949707df6

SHA512
6de752f1f1aebdf618c1d3b59786dc0fab9d44cd1fca499345cf5f5b5021e0dacc926a10243359f4c7e8581d97860af2982734760215dadc3847ea0818c7d5f8

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

Filesize
2.0MB

MD5
32ffe7c35f2e8a4a17ff12056b29b0fc

SHA1
27ec0310853397657e376c8a9dbefe383c7379e6

SHA256
70bdffe8a76f609ddbff4e2b21c917b8576157c4527f1a3af84912e949707df6

SHA512
6de752f1f1aebdf618c1d3b59786dc0fab9d44cd1fca499345cf5f5b5021e0dacc926a10243359f4c7e8581d97860af2982734760215dadc3847ea0818c7d5f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2DH6L.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-83SG1.tmp\is-65MS9.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-83SG1.tmp\is-65MS9.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
memory/1396-37-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1396-33-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1396-34-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-50-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-74-0x0000000000850000-0x0000000000899000-memory.dmp

Filesize
292KB

Download
memory/1464-40-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-42-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-93-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-89-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-86-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-83-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-53-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-56-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-59-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-62-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-65-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-66-0x0000000000850000-0x0000000000899000-memory.dmp

Filesize
292KB

Download
memory/1464-67-0x0000000000850000-0x0000000000899000-memory.dmp

Filesize
292KB

Download
memory/1464-73-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-80-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1464-77-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/3836-10-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/3836-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3836-44-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/5040-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5040-43-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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