1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 11:38

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General

Target

1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe
Size

2.9MB
MD5

8a4ca29e20c1ba2fb9b41d0276f3c6d3
SHA1

502d625362ad2fe3ec1005f9e7621ef5947f2fbe
SHA256

1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918
SHA512

56600a1fe80b07fac5f965c628972e9fdea206e41b2bb13139cc7556977d8681afec5a797c948604ad778ff6926359e437f4ebb7b81ea118d44dc883c5302c1e
SSDEEP

49152:aGZ/OWDrX9lhj73hRb3Ew93mS+GyGLkGRkbeArL0MytYy8tsUM05:rROWDrT9VRbUw93mSjJLAXPXytYyysUz

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2540	is-URQUD.tmp
2700	OSJMount.exe
2508	OSJMount.exe

Loads dropped DLL 5 IoCs

pid	Process
2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe
2540	is-URQUD.tmp
2540	is-URQUD.tmp
2540	is-URQUD.tmp
2540	is-URQUD.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-URQUD.tmp
File created	C:\Program Files (x86)\OSJMount\is-Q8VCA.tmp	is-URQUD.tmp
File created	C:\Program Files (x86)\OSJMount\is-K66DU.tmp	is-URQUD.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-URQUD.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-URQUD.tmp
File created	C:\Program Files (x86)\OSJMount\is-5T321.tmp	is-URQUD.tmp
File created	C:\Program Files (x86)\OSJMount\is-TN28Q.tmp	is-URQUD.tmp
File created	C:\Program Files (x86)\OSJMount\is-0VBNR.tmp	is-URQUD.tmp
File created	C:\Program Files (x86)\OSJMount\is-JP0QM.tmp	is-URQUD.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 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2824 wrote to memory of 2540	2824	1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe	28
PID 2540 wrote to memory of 2732	2540	is-URQUD.tmp	29
PID 2540 wrote to memory of 2732	2540	is-URQUD.tmp	29
PID 2540 wrote to memory of 2732	2540	is-URQUD.tmp	29
PID 2540 wrote to memory of 2732	2540	is-URQUD.tmp	29
PID 2540 wrote to memory of 2700	2540	is-URQUD.tmp	31
PID 2540 wrote to memory of 2700	2540	is-URQUD.tmp	31
PID 2540 wrote to memory of 2700	2540	is-URQUD.tmp	31
PID 2540 wrote to memory of 2700	2540	is-URQUD.tmp	31
PID 2732 wrote to memory of 2536	2732	net.exe	32
PID 2732 wrote to memory of 2536	2732	net.exe	32
PID 2732 wrote to memory of 2536	2732	net.exe	32
PID 2732 wrote to memory of 2536	2732	net.exe	32
PID 2540 wrote to memory of 2508	2540	is-URQUD.tmp	33
PID 2540 wrote to memory of 2508	2540	is-URQUD.tmp	33
PID 2540 wrote to memory of 2508	2540	is-URQUD.tmp	33
PID 2540 wrote to memory of 2508	2540	is-URQUD.tmp	33

C:\Users\Admin\AppData\Local\Temp\1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe
"C:\Users\Admin\AppData\Local\Temp\1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\is-L25DR.tmp\is-URQUD.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-L25DR.tmp\is-URQUD.tmp" /SL4 $70120 "C:\Users\Admin\AppData\Local\Temp\1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe" 2842868 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:2536
- - 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:2508

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
d3bb8c5b9a21cc4d9362bff3fd598b2c

SHA1
7a6b86cf01e3725a23804614998d90fa44508eaa

SHA256
1b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2

SHA512
571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4

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

Filesize
2.2MB

MD5
d3bb8c5b9a21cc4d9362bff3fd598b2c

SHA1
7a6b86cf01e3725a23804614998d90fa44508eaa

SHA256
1b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2

SHA512
571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4

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

Filesize
2.2MB

MD5
d3bb8c5b9a21cc4d9362bff3fd598b2c

SHA1
7a6b86cf01e3725a23804614998d90fa44508eaa

SHA256
1b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2

SHA512
571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-L25DR.tmp\is-URQUD.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-L25DR.tmp\is-URQUD.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

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

Filesize
2.2MB

MD5
d3bb8c5b9a21cc4d9362bff3fd598b2c

SHA1
7a6b86cf01e3725a23804614998d90fa44508eaa

SHA256
1b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2

SHA512
571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4

Download Submit
\Users\Admin\AppData\Local\Temp\is-EBLS7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-EBLS7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-EBLS7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-L25DR.tmp\is-URQUD.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
memory/2508-47-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-83-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-99-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-96-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-93-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-90-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-87-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-84-0x00000000020F0000-0x0000000002139000-memory.dmp

Filesize
292KB

Download
memory/2508-79-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-75-0x00000000020F0000-0x0000000002139000-memory.dmp

Filesize
292KB

Download
memory/2508-76-0x00000000020F0000-0x0000000002139000-memory.dmp

Filesize
292KB

Download
memory/2508-72-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-53-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-57-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-60-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-63-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-66-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2508-69-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2540-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2540-49-0x0000000003A70000-0x0000000003CAC000-memory.dmp

Filesize
2.2MB

Download
memory/2540-48-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2540-8-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2540-38-0x0000000003A70000-0x0000000003CAC000-memory.dmp

Filesize
2.2MB

Download
memory/2700-39-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2700-44-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2700-43-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2700-40-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2824-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2824-46-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download