49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38

Analysis

max time kernel
152s
max time network
165s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 11:43

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General

Target

49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe
Size

2.9MB
MD5

2c6ab7fc44209cccf5184236c1731978
SHA1

462de9d5a4d87bec2f7fee130f05d460e47d7d05
SHA256

49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38
SHA512

958d3a583ee8732592420f80a2212a998f409d4c721c88b8ead1ed2bb934d4f8878ea60bab13735ee33059455e2c914d0d39d858eabdd000a06fbe4c5c6825ea
SSDEEP

49152:zG9ncN4M8ZRvpH7kL1gZooXN98rpUr6SFWvmKgNOVQmUGp3P+HuAdwheosy5LiMM:qhSeZRvp42uK3uUSOK+OVQxe2HupjVDM

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2336	is-C5ULV.tmp
2692	OSJMount.exe
2620	OSJMount.exe

Loads dropped DLL 5 IoCs

pid	Process
2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe
2336	is-C5ULV.tmp
2336	is-C5ULV.tmp
2336	is-C5ULV.tmp
2336	is-C5ULV.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 created	C:\Program Files (x86)\OSJMount\is-QEAVE.tmp	is-C5ULV.tmp
File created	C:\Program Files (x86)\OSJMount\is-57AA0.tmp	is-C5ULV.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-C5ULV.tmp
File created	C:\Program Files (x86)\OSJMount\unins000.dat	is-C5ULV.tmp
File created	C:\Program Files (x86)\OSJMount\is-I5R8A.tmp	is-C5ULV.tmp
File created	C:\Program Files (x86)\OSJMount\is-P7HSM.tmp	is-C5ULV.tmp
File created	C:\Program Files (x86)\OSJMount\is-FNDDE.tmp	is-C5ULV.tmp
File created	C:\Program Files (x86)\OSJMount\is-PBB1D.tmp	is-C5ULV.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-C5ULV.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 23 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2096 wrote to memory of 2336	2096	49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe	28
PID 2336 wrote to memory of 2668	2336	is-C5ULV.tmp	31
PID 2336 wrote to memory of 2668	2336	is-C5ULV.tmp	31
PID 2336 wrote to memory of 2668	2336	is-C5ULV.tmp	31
PID 2336 wrote to memory of 2668	2336	is-C5ULV.tmp	31
PID 2336 wrote to memory of 2692	2336	is-C5ULV.tmp	33
PID 2336 wrote to memory of 2692	2336	is-C5ULV.tmp	33
PID 2336 wrote to memory of 2692	2336	is-C5ULV.tmp	33
PID 2336 wrote to memory of 2692	2336	is-C5ULV.tmp	33
PID 2668 wrote to memory of 2732	2668	net.exe	34
PID 2668 wrote to memory of 2732	2668	net.exe	34
PID 2668 wrote to memory of 2732	2668	net.exe	34
PID 2668 wrote to memory of 2732	2668	net.exe	34
PID 2336 wrote to memory of 2620	2336	is-C5ULV.tmp	35
PID 2336 wrote to memory of 2620	2336	is-C5ULV.tmp	35
PID 2336 wrote to memory of 2620	2336	is-C5ULV.tmp	35
PID 2336 wrote to memory of 2620	2336	is-C5ULV.tmp	35

C:\Users\Admin\AppData\Local\Temp\49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe
"C:\Users\Admin\AppData\Local\Temp\49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\is-U1BF3.tmp\is-C5ULV.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-U1BF3.tmp\is-C5ULV.tmp" /SL4 $7011C "C:\Users\Admin\AppData\Local\Temp\49009ca6060c95774cd3ca0509236dcb985be2f1c5de7851044148ead8ff3e38.exe" 2832674 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:2732
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2692
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2620

Network

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

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Downloads

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

Filesize
2.2MB

MD5
32d2a3bcb13442bedda2cba03f479325

SHA1
b48d7e67c38ed36ac64deaf10505d060fd983307

SHA256
930561f6bfc11de088df1e148fb0b101390f1da936827bc31149bd163a81e694

SHA512
edeeb3fcbc8cd30cb8575f6db221ed9f05f966bcdaf47a9a851698c361851499e5d3f1a37c560cd4cc57d5d09ce77384348738595dada1acaf808e0775c58b34

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

Filesize
2.2MB

MD5
32d2a3bcb13442bedda2cba03f479325

SHA1
b48d7e67c38ed36ac64deaf10505d060fd983307

SHA256
930561f6bfc11de088df1e148fb0b101390f1da936827bc31149bd163a81e694

SHA512
edeeb3fcbc8cd30cb8575f6db221ed9f05f966bcdaf47a9a851698c361851499e5d3f1a37c560cd4cc57d5d09ce77384348738595dada1acaf808e0775c58b34

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

Filesize
2.2MB

MD5
32d2a3bcb13442bedda2cba03f479325

SHA1
b48d7e67c38ed36ac64deaf10505d060fd983307

SHA256
930561f6bfc11de088df1e148fb0b101390f1da936827bc31149bd163a81e694

SHA512
edeeb3fcbc8cd30cb8575f6db221ed9f05f966bcdaf47a9a851698c361851499e5d3f1a37c560cd4cc57d5d09ce77384348738595dada1acaf808e0775c58b34

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-U1BF3.tmp\is-C5ULV.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-U1BF3.tmp\is-C5ULV.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

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

Filesize
2.2MB

MD5
32d2a3bcb13442bedda2cba03f479325

SHA1
b48d7e67c38ed36ac64deaf10505d060fd983307

SHA256
930561f6bfc11de088df1e148fb0b101390f1da936827bc31149bd163a81e694

SHA512
edeeb3fcbc8cd30cb8575f6db221ed9f05f966bcdaf47a9a851698c361851499e5d3f1a37c560cd4cc57d5d09ce77384348738595dada1acaf808e0775c58b34

Download Submit
\Users\Admin\AppData\Local\Temp\is-J8B4T.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-J8B4T.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-J8B4T.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-U1BF3.tmp\is-C5ULV.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
memory/2096-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2096-20-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2336-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2336-22-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2336-41-0x0000000003930000-0x0000000003B6C000-memory.dmp

Filesize
2.2MB

Download
memory/2336-8-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2336-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2336-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2336-47-0x0000000003930000-0x0000000003B6C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-72-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-75-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-92-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-90-0x0000000002090000-0x00000000020D9000-memory.dmp

Filesize
292KB

Download
memory/2620-88-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-58-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-66-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-69-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-84-0x0000000002090000-0x00000000020D9000-memory.dmp

Filesize
292KB

Download
memory/2620-83-0x0000000002090000-0x00000000020D9000-memory.dmp

Filesize
292KB

Download
memory/2620-78-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2620-81-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2692-49-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2692-44-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2692-48-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2692-53-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2692-50-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download