95e217da4c184170c705e9ef317b5d8333713f4f91435d0964e0e2cea03100ab

Analysis

max time kernel
64s
max time network
74s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 14:00

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General

Target

db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe
Size

3.7MB
MD5

39e94318d7c3f194abcbbbd0aa08430c
SHA1

752c149fa64cfe7f3959aa6f03df22ac6e2b1b39
SHA256

db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4
SHA512

47e6d3a28b76cc1ed8f15ad04c86a49c022bd2cf4e87485afef5ae92e440943dc1de81da71bab070d516b2fec47465c43de8b6d4ccd4fda38462ba0c5cda1d18
SSDEEP

98304:+t4fr5joIbcLGaUEPGYnUJT0mE265nld1Z4:c4T5j6GagCZZHX4

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmpisaprintstar.exeisaprintstar.exe

pid process

3120 db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
1720 isaprintstar.exe
3256 isaprintstar.exe
Loads dropped DLL 1 IoCs

Processes:

db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp

pid process

3120 db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.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

pid	process
3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
1720	isaprintstar.exe
3256	isaprintstar.exe

pid	process
3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exedb58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp

description	pid	process	target process
PID 3904 wrote to memory of 3120	3904	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
PID 3904 wrote to memory of 3120	3904	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
PID 3904 wrote to memory of 3120	3904	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
PID 3120 wrote to memory of 1720	3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp	isaprintstar.exe
PID 3120 wrote to memory of 1720	3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp	isaprintstar.exe
PID 3120 wrote to memory of 1720	3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp	isaprintstar.exe
PID 3120 wrote to memory of 3256	3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp	isaprintstar.exe
PID 3120 wrote to memory of 3256	3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp	isaprintstar.exe
PID 3120 wrote to memory of 3256	3120	db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp	isaprintstar.exe

C:\Users\Admin\AppData\Local\Temp\db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe
"C:\Users\Admin\AppData\Local\Temp\db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Users\Admin\AppData\Local\Temp\is-LDKAD.tmp\db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LDKAD.tmp\db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp" /SL5="$7019A,3599420,54272,C:\Users\Admin\AppData\Local\Temp\db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3120

C:\Users\Admin\AppData\Local\ISA Print Star\isaprintstar.exe
"C:\Users\Admin\AppData\Local\ISA Print Star\isaprintstar.exe" -i
3⤵
- Executes dropped EXE
PID:1720

C:\Users\Admin\AppData\Local\ISA Print Star\isaprintstar.exe
"C:\Users\Admin\AppData\Local\ISA Print Star\isaprintstar.exe" -s
3⤵
- Executes dropped EXE
PID:3256

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4204 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:5020

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\ISA Print Star\isaprintstar.exe
Filesize
2.1MB

MD5
d4b7cddf536d362e1fd94007f125f19e

SHA1
90671a4aac9b7fcfc68410dbf8c5bbe2433ad4ad

SHA256
1c75afbb40809a51b7fe4fca3260c1e24392838995e8703bfee9e53913bf9921

SHA512
996c328891e25a602d6dc9832b623c0da91fc16d48d47694f69fa04581f3f0d062990cce6dd81a0439326c5e63678e8f92fcde667c7a068e5170e7d3287297aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LDKAD.tmp\db58eb77136d0a35453f949a25df9a2e0d344b389a136f966a1ec2c3c09ef2c4.tmp
Filesize
695KB

MD5
b345a6e75b97b9ce8df84d33087da9c0

SHA1
36785d14f8041abcb467ce79babe6e98850a1825

SHA256
d1b4da9f8724f4593b323c3754e5056b4d6222382d25eab5b113a097f2223286

SHA512
419cfd117d3fb58e024f2136efa9138f2c3d62a0d421025789267512b29a60c66cff9fd9106e180336cc37f1231d00cf412bc761fe2670ec19b96b537f1a054f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RG9KE.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1720-63-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/1720-64-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/1720-59-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/1720-60-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3120-69-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3120-7-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3256-67-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3256-70-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3256-73-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3256-74-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3256-77-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3256-80-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3256-84-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/3904-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3904-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3904-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download