4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32

Resubmissions

28-08-2023 08:41

230828-klm1mabc8z 7

28-08-2023 08:35

230828-khbhesbc7x 7

Analysis

max time kernel
294s
max time network
265s
platform
windows10-2004_x64
resource
win10v2004-20230824-en
resource tags

arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
submitted
28-08-2023 08:35

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General

Target

4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe
Size

1.8MB
MD5

d488ed88a897f36bab1223a0450ce86d
SHA1

afffa46ce4f2b120e8b3288540d60cf915c274d5
SHA256

4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32
SHA512

5cb128acbaf2c15c505d2690d890090300fc69630e2962de446f91ce358bc38e2330ba91ddbe17a231e54468a45b18d8077405ebfcdba7cc3f8f2fce5d6517e0
SSDEEP

49152:76d8KjoWrcHF6IJsV3W5WwaF27JahiMZ9E5UrM:edQWrIJm2aFuMQG9PA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1116	is-QR608.tmp

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8AD26865-2F1C-413E-BE06-C0B66A1EF3C5}.catalogItem	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 1116	1396	4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe	85
PID 1396 wrote to memory of 1116	1396	4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe	85
PID 1396 wrote to memory of 1116	1396	4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe	85

C:\Users\Admin\AppData\Local\Temp\4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe
"C:\Users\Admin\AppData\Local\Temp\4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\is-21L1Q.tmp\is-QR608.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-21L1Q.tmp\is-QR608.tmp" /SL4 $A004C "C:\Users\Admin\AppData\Local\Temp\4ef694a9efd8a329104ecacfcc145d410846692d0f754777e19bdf4b70a03f32.exe" 1623327 52224
  2⤵
  - Executes dropped EXE
  PID:1116

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:3088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-21L1Q.tmp\is-QR608.tmp

Filesize
635KB

MD5
5ba571eb89bacef396539841970711b0

SHA1
f51e65174a43784710cc2b03a5129f21f3578644

SHA256
440f88196d6586d81917097b39bfb98bf338afc24116434de0c25c356e2d7452

SHA512
ee46d826d1da230f75ec2e2d96ad1aa918a7f71f530422ee58cc4c50272fce08950eceadd52b103937b36039af44ce1cadeb9d6a1c8eeecdf6e8d07274471a54

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-21L1Q.tmp\is-QR608.tmp

Filesize
635KB

MD5
5ba571eb89bacef396539841970711b0

SHA1
f51e65174a43784710cc2b03a5129f21f3578644

SHA256
440f88196d6586d81917097b39bfb98bf338afc24116434de0c25c356e2d7452

SHA512
ee46d826d1da230f75ec2e2d96ad1aa918a7f71f530422ee58cc4c50272fce08950eceadd52b103937b36039af44ce1cadeb9d6a1c8eeecdf6e8d07274471a54

Download Submit
memory/1116-8-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1116-20-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1116-21-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1396-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1396-19-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download