390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c

Analysis

max time kernel
143s
max time network
132s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 10:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe
Size

2.8MB
MD5

13a99313a2415e3384f10af0601585ed
SHA1

14e2684f5e62bf942b23384e5f2716fca61db301
SHA256

390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c
SHA512

cd831861f7fe3a7ca6ff442f676a2645507768b47532a43fbd4aa26a8ad55ef826dde253c5c8f7b6508f36211317fc95446d3051a53bace2fc31e50ea149763d
SSDEEP

49152:QGipOQ0YzfBUFp0Eieo2nuQwQgB2qCWT0b7sNZSFIDPFSohbVnWp8tsUM05:tCx0GBUX/ieo27NgB2ET0MNZBYuxWpyx

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2316	is-G92RL.tmp
2700	OSJMount.exe
2496	OSJMount.exe

Loads dropped DLL 5 IoCs

pid	Process
2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe
2316	is-G92RL.tmp
2316	is-G92RL.tmp
2316	is-G92RL.tmp
2316	is-G92RL.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-OM1HB.tmp	is-G92RL.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-G92RL.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-G92RL.tmp
File created	C:\Program Files (x86)\OSJMount\is-T8CR5.tmp	is-G92RL.tmp
File created	C:\Program Files (x86)\OSJMount\is-3C65D.tmp	is-G92RL.tmp
File created	C:\Program Files (x86)\OSJMount\is-6TOO1.tmp	is-G92RL.tmp
File created	C:\Program Files (x86)\OSJMount\unins000.dat	is-G92RL.tmp
File created	C:\Program Files (x86)\OSJMount\is-TOU0O.tmp	is-G92RL.tmp
File created	C:\Program Files (x86)\OSJMount\is-TLGT6.tmp	is-G92RL.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 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2288 wrote to memory of 2316	2288	390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe	28
PID 2316 wrote to memory of 1408	2316	is-G92RL.tmp	29
PID 2316 wrote to memory of 1408	2316	is-G92RL.tmp	29
PID 2316 wrote to memory of 1408	2316	is-G92RL.tmp	29
PID 2316 wrote to memory of 1408	2316	is-G92RL.tmp	29
PID 2316 wrote to memory of 2700	2316	is-G92RL.tmp	31
PID 2316 wrote to memory of 2700	2316	is-G92RL.tmp	31
PID 2316 wrote to memory of 2700	2316	is-G92RL.tmp	31
PID 2316 wrote to memory of 2700	2316	is-G92RL.tmp	31
PID 1408 wrote to memory of 2524	1408	net.exe	32
PID 1408 wrote to memory of 2524	1408	net.exe	32
PID 1408 wrote to memory of 2524	1408	net.exe	32
PID 1408 wrote to memory of 2524	1408	net.exe	32
PID 2316 wrote to memory of 2496	2316	is-G92RL.tmp	33
PID 2316 wrote to memory of 2496	2316	is-G92RL.tmp	33
PID 2316 wrote to memory of 2496	2316	is-G92RL.tmp	33
PID 2316 wrote to memory of 2496	2316	is-G92RL.tmp	33

C:\Users\Admin\AppData\Local\Temp\390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe
"C:\Users\Admin\AppData\Local\Temp\390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\is-ASUH5.tmp\is-G92RL.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ASUH5.tmp\is-G92RL.tmp" /SL4 $60152 "C:\Users\Admin\AppData\Local\Temp\390672d7931e07f43423bb36ff02142170e28ef17b57cf0fa78bd466fdafef3c.exe" 2658099 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1408
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:2524
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2700
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2496

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

Loading Replay Monitor...

Downloads

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

Filesize
2.0MB

MD5
23172c7b1ebe864729a98eb1d2dcdc0c

SHA1
1cfefcad5c4e5accb5579af04f334bdd146ce384

SHA256
a3a1845390746d152a0706b24224640af2f1e0d05660dd1fc7f85247a8914809

SHA512
dddf2b76fe27480024c7b2d14f5b2033dcf9229dd24ff33e7037cbd633923d1eefe7274301a2672998aa2952eae504e08d5f5d1e1fc469ebd21ca1bcce353e35

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

Filesize
2.0MB

MD5
23172c7b1ebe864729a98eb1d2dcdc0c

SHA1
1cfefcad5c4e5accb5579af04f334bdd146ce384

SHA256
a3a1845390746d152a0706b24224640af2f1e0d05660dd1fc7f85247a8914809

SHA512
dddf2b76fe27480024c7b2d14f5b2033dcf9229dd24ff33e7037cbd633923d1eefe7274301a2672998aa2952eae504e08d5f5d1e1fc469ebd21ca1bcce353e35

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

Filesize
2.0MB

MD5
23172c7b1ebe864729a98eb1d2dcdc0c

SHA1
1cfefcad5c4e5accb5579af04f334bdd146ce384

SHA256
a3a1845390746d152a0706b24224640af2f1e0d05660dd1fc7f85247a8914809

SHA512
dddf2b76fe27480024c7b2d14f5b2033dcf9229dd24ff33e7037cbd633923d1eefe7274301a2672998aa2952eae504e08d5f5d1e1fc469ebd21ca1bcce353e35

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ASUH5.tmp\is-G92RL.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ASUH5.tmp\is-G92RL.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

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

Filesize
2.0MB

MD5
23172c7b1ebe864729a98eb1d2dcdc0c

SHA1
1cfefcad5c4e5accb5579af04f334bdd146ce384

SHA256
a3a1845390746d152a0706b24224640af2f1e0d05660dd1fc7f85247a8914809

SHA512
dddf2b76fe27480024c7b2d14f5b2033dcf9229dd24ff33e7037cbd633923d1eefe7274301a2672998aa2952eae504e08d5f5d1e1fc469ebd21ca1bcce353e35

Download Submit
\Users\Admin\AppData\Local\Temp\is-ASUH5.tmp\is-G92RL.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
\Users\Admin\AppData\Local\Temp\is-R0JLA.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-R0JLA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-R0JLA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2288-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2288-44-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2316-37-0x0000000003A70000-0x0000000003C7A000-memory.dmp

Filesize
2.0MB

Download
memory/2316-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2316-49-0x0000000003A70000-0x0000000003C7A000-memory.dmp

Filesize
2.0MB

Download
memory/2316-45-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2496-77-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-74-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-98-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-95-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-92-0x0000000002260000-0x00000000022A9000-memory.dmp

Filesize
292KB

Download
memory/2496-60-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-62-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-68-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-71-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-91-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-85-0x0000000002260000-0x00000000022A9000-memory.dmp

Filesize
292KB

Download
memory/2496-80-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-83-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2496-84-0x0000000002260000-0x00000000022A9000-memory.dmp

Filesize
292KB

Download
memory/2700-39-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2700-48-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2700-40-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2700-56-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2700-43-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download