af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 12:21

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General

Target

af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe
Size

2.8MB
MD5

8d2232308731a1cdc97a356e129c023f
SHA1

2dde85134dfbc9fac6a23e95798d4eca6f9e1cc8
SHA256

af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4
SHA512

a79d13d085718769498adae959516c828cc2ed9897049264eb65a7473cce641868825049631e48b51390822f1efe08340f12f9f8208e0b4892f25156d87bc96a
SSDEEP

49152:PGlYyd3D3cUINFHFa6btDzeQ991IX6Nw6K6Gyg1Yw5K1cFvk/zDmZvBd3rHsz8Hl:eayFY358QTM6cNYKK1Ok/8vB1M4Uu0oZ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2684	is-D7FDE.tmp
2468	OSJMount.exe
2720	OSJMount.exe

Loads dropped DLL 5 IoCs

pid	Process
2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe
2684	is-D7FDE.tmp
2684	is-D7FDE.tmp
2684	is-D7FDE.tmp
2684	is-D7FDE.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\is-VG6LB.tmp	is-D7FDE.tmp
File created	C:\Program Files (x86)\OSJMount\is-UMNMK.tmp	is-D7FDE.tmp
File created	C:\Program Files (x86)\OSJMount\is-PR68A.tmp	is-D7FDE.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\OSJMount.exe	is-D7FDE.tmp
File created	C:\Program Files (x86)\OSJMount\is-MSAGU.tmp	is-D7FDE.tmp
File created	C:\Program Files (x86)\OSJMount\is-2QALC.tmp	is-D7FDE.tmp
File created	C:\Program Files (x86)\OSJMount\is-3B856.tmp	is-D7FDE.tmp
File opened for modification	C:\Program Files (x86)\OSJMount\unins000.dat	is-D7FDE.tmp
File created	C:\Program Files (x86)\OSJMount\unins000.dat	is-D7FDE.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 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2176 wrote to memory of 2684	2176	af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe	28
PID 2684 wrote to memory of 2776	2684	is-D7FDE.tmp	29
PID 2684 wrote to memory of 2776	2684	is-D7FDE.tmp	29
PID 2684 wrote to memory of 2776	2684	is-D7FDE.tmp	29
PID 2684 wrote to memory of 2776	2684	is-D7FDE.tmp	29
PID 2684 wrote to memory of 2468	2684	is-D7FDE.tmp	31
PID 2684 wrote to memory of 2468	2684	is-D7FDE.tmp	31
PID 2684 wrote to memory of 2468	2684	is-D7FDE.tmp	31
PID 2684 wrote to memory of 2468	2684	is-D7FDE.tmp	31
PID 2776 wrote to memory of 2428	2776	net.exe	32
PID 2776 wrote to memory of 2428	2776	net.exe	32
PID 2776 wrote to memory of 2428	2776	net.exe	32
PID 2776 wrote to memory of 2428	2776	net.exe	32
PID 2684 wrote to memory of 2720	2684	is-D7FDE.tmp	33
PID 2684 wrote to memory of 2720	2684	is-D7FDE.tmp	33
PID 2684 wrote to memory of 2720	2684	is-D7FDE.tmp	33
PID 2684 wrote to memory of 2720	2684	is-D7FDE.tmp	33

C:\Users\Admin\AppData\Local\Temp\af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe
"C:\Users\Admin\AppData\Local\Temp\af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\is-02A6B.tmp\is-D7FDE.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-02A6B.tmp\is-D7FDE.tmp" /SL4 $30150 "C:\Users\Admin\AppData\Local\Temp\af69347f9c5e541fbb63ab906cb711e2c6f378f2a0d6b0bad15e410b2054b7b4.exe" 2668835 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 27
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 27
      4⤵
      PID:2428
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2468
- - C:\Program Files (x86)\OSJMount\OSJMount.exe
    "C:\Program Files (x86)\OSJMount\OSJMount.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2720

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
2.0MB

MD5
47b7a4601151e5b54d724e6ae53646fc

SHA1
ff736e4503e89625288ace8b5a024d2c99d16527

SHA256
21963b7116aeb3547802d27c49471a12fd872569107bcf8b2702586319b642c9

SHA512
d321d2183f9d608494072736f9e9e89cffc9611bc6579c492141904912568a75356fbca7397cf95367ae6c2f1bce12eb74c93dc3bf2daa03a6ebde11b802f5bf

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

Filesize
2.0MB

MD5
47b7a4601151e5b54d724e6ae53646fc

SHA1
ff736e4503e89625288ace8b5a024d2c99d16527

SHA256
21963b7116aeb3547802d27c49471a12fd872569107bcf8b2702586319b642c9

SHA512
d321d2183f9d608494072736f9e9e89cffc9611bc6579c492141904912568a75356fbca7397cf95367ae6c2f1bce12eb74c93dc3bf2daa03a6ebde11b802f5bf

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

Filesize
2.0MB

MD5
47b7a4601151e5b54d724e6ae53646fc

SHA1
ff736e4503e89625288ace8b5a024d2c99d16527

SHA256
21963b7116aeb3547802d27c49471a12fd872569107bcf8b2702586319b642c9

SHA512
d321d2183f9d608494072736f9e9e89cffc9611bc6579c492141904912568a75356fbca7397cf95367ae6c2f1bce12eb74c93dc3bf2daa03a6ebde11b802f5bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-02A6B.tmp\is-D7FDE.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-02A6B.tmp\is-D7FDE.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

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

Filesize
2.0MB

MD5
47b7a4601151e5b54d724e6ae53646fc

SHA1
ff736e4503e89625288ace8b5a024d2c99d16527

SHA256
21963b7116aeb3547802d27c49471a12fd872569107bcf8b2702586319b642c9

SHA512
d321d2183f9d608494072736f9e9e89cffc9611bc6579c492141904912568a75356fbca7397cf95367ae6c2f1bce12eb74c93dc3bf2daa03a6ebde11b802f5bf

Download Submit
\Users\Admin\AppData\Local\Temp\is-02A6B.tmp\is-D7FDE.tmp

Filesize
652KB

MD5
f1b5055e1e80bf52a48683f85f9298ef

SHA1
26976cc0c690693084466d185c5e84da9870a778

SHA256
0b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50

SHA512
01290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef

Download Submit
\Users\Admin\AppData\Local\Temp\is-8DQGG.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-8DQGG.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-8DQGG.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2176-47-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2176-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2468-39-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2468-40-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2468-43-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2468-44-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2684-50-0x0000000003A90000-0x0000000003C9A000-memory.dmp

Filesize
2.0MB

Download
memory/2684-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-37-0x0000000003A90000-0x0000000003C9A000-memory.dmp

Filesize
2.0MB

Download
memory/2684-48-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2684-8-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2720-75-0x00000000006E0000-0x0000000000729000-memory.dmp

Filesize
292KB

Download
memory/2720-76-0x00000000006E0000-0x0000000000729000-memory.dmp

Filesize
292KB

Download
memory/2720-57-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-60-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-63-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-66-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-69-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-72-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-46-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-51-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-80-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-83-0x00000000006E0000-0x0000000000729000-memory.dmp

Filesize
292KB

Download
memory/2720-84-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-87-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-90-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-93-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-96-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-99-0x00000000006E0000-0x0000000000729000-memory.dmp

Filesize
292KB

Download
memory/2720-100-0x00000000006E0000-0x0000000000729000-memory.dmp

Filesize
292KB

Download
memory/2720-101-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download