5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297

General

Target

5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe
Size

2.9MB
MD5

429bc53b61ee3fef1196bc16028a2b53
SHA1

2513cd8bbe96f15b8b6289132eb41b97871ffbb1
SHA256

5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297
SHA512

081b845b8c8058e8e8f749f39bc430dd26383ac592633b27dbdfc57278dd271078194eb0b7d6cf168029f4c5daa7fc94a0dd188bb650ceef37f4a48ec36d26cf
SSDEEP

49152:9GlO7QdBP0igdGswPCjXeg7knVEqFgICRuCAzWsGylrc1PfajdL8tsUM05:YjdrmXeBVLSHxsGyxKPfaxLysUd5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
568	is-0P350.tmp
2896	OSJMount.exe
220	OSJMount.exe

Loads dropped DLL 1 IoCs

pid	Process
568	is-0P350.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-7HMPR.tmp	is-0P350.tmp
File created	C:\Program Files (x86)\OSJMount\is-3EG53.tmp	is-0P350.tmp
File created	C:\Program Files (x86)\OSJMount\is-8QBLM.tmp	is-0P350.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-0P350.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-0P350.tmp
File created	C:\Program Files (x86)\OSJMount\unins000.dat	is-0P350.tmp
File created	C:\Program Files (x86)\OSJMount\is-3GQUA.tmp	is-0P350.tmp
File created	C:\Program Files (x86)\OSJMount\is-KC50M.tmp	is-0P350.tmp
File created	C:\Program Files (x86)\OSJMount\is-G5SPR.tmp	is-0P350.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 2196 wrote to memory of 568	2196	5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe	87
PID 2196 wrote to memory of 568	2196	5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe	87
PID 2196 wrote to memory of 568	2196	5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe	87
PID 568 wrote to memory of 1528	568	is-0P350.tmp	90
PID 568 wrote to memory of 1528	568	is-0P350.tmp	90
PID 568 wrote to memory of 1528	568	is-0P350.tmp	90
PID 568 wrote to memory of 2896	568	is-0P350.tmp	92
PID 568 wrote to memory of 2896	568	is-0P350.tmp	92
PID 568 wrote to memory of 2896	568	is-0P350.tmp	92
PID 568 wrote to memory of 220	568	is-0P350.tmp	94
PID 568 wrote to memory of 220	568	is-0P350.tmp	94
PID 568 wrote to memory of 220	568	is-0P350.tmp	94
PID 1528 wrote to memory of 3160	1528	net.exe	95
PID 1528 wrote to memory of 3160	1528	net.exe	95
PID 1528 wrote to memory of 3160	1528	net.exe	95

C:\Users\Admin\AppData\Local\Temp\5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe
"C:\Users\Admin\AppData\Local\Temp\5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\is-QR39I.tmp\is-0P350.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-QR39I.tmp\is-0P350.tmp" /SL4 $F01B2 "C:\Users\Admin\AppData\Local\Temp\5686b0275be5e190728b2a3a4c433e14b346f0f3ff17124eb4ec2ee9eb48f297.exe" 2841400 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:3160
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2896
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:220

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
2.2MB

MD5
8f06929bb02a6a29786dd33a9bf94d10

SHA1
2e72aa0d16920dbb60e7f30933c3fbcd744fad28

SHA256
d6874a1b96cbe6f0285987dc05977932c16812b2c23aaa408d2262b32dd170b7

SHA512
a49cfd8977c47eb563a7d534c550ea1ec69665819e6ae398517416ad2417f0f8c66e9ff82f5e3275ba585763a69d1d1a73b75fe4410437186c296f19e0994fc4

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

Filesize
2.2MB

MD5
8f06929bb02a6a29786dd33a9bf94d10

SHA1
2e72aa0d16920dbb60e7f30933c3fbcd744fad28

SHA256
d6874a1b96cbe6f0285987dc05977932c16812b2c23aaa408d2262b32dd170b7

SHA512
a49cfd8977c47eb563a7d534c550ea1ec69665819e6ae398517416ad2417f0f8c66e9ff82f5e3275ba585763a69d1d1a73b75fe4410437186c296f19e0994fc4

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

Filesize
2.2MB

MD5
8f06929bb02a6a29786dd33a9bf94d10

SHA1
2e72aa0d16920dbb60e7f30933c3fbcd744fad28

SHA256
d6874a1b96cbe6f0285987dc05977932c16812b2c23aaa408d2262b32dd170b7

SHA512
a49cfd8977c47eb563a7d534c550ea1ec69665819e6ae398517416ad2417f0f8c66e9ff82f5e3275ba585763a69d1d1a73b75fe4410437186c296f19e0994fc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BND9S.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QR39I.tmp\is-0P350.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QR39I.tmp\is-0P350.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
memory/220-62-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-72-0x0000000000940000-0x0000000000989000-memory.dmp

Filesize
292KB

Download
memory/220-86-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-83-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-80-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-79-0x0000000000940000-0x0000000000989000-memory.dmp

Filesize
292KB

Download
memory/220-75-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-71-0x0000000000940000-0x0000000000989000-memory.dmp

Filesize
292KB

Download
memory/220-68-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-46-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-47-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-65-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-53-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-56-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/220-59-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/568-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/568-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/568-9-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/568-21-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2196-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2896-42-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2896-39-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2896-38-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download

Analysis

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