b486159228630e0fea177062ce127b00be242e7afe55d7a2fca2edcda81100f4

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2023, 16:49

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General

Target

3c92db2f3ebf668029fdc4292993cbe1.exe
Size

2.6MB
MD5

3c92db2f3ebf668029fdc4292993cbe1
SHA1

7f1c43a22291617078a99e9582c452a5251513f6
SHA256

b486159228630e0fea177062ce127b00be242e7afe55d7a2fca2edcda81100f4
SHA512

afcb16c169da7619923d3213ab8ac0f2720054053fc8e181364cff3e09b97be22892f3129f827e9a0c197d0d84235ec6c7df3e17c499557f83365be1ea62edab
SSDEEP

24576:0z/hHpKYWs3wSciyJAPLBr+ZsxU/PbvCpDROhGdw+WKT6w9cTBK7hpFYhHAfCQn2:0z/XKlewS6N/PbW8C+Mdp2E58lA4

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
4572	dosss.exe
3992	dosss.tmp

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	api.ipify.org

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 4572	4784	3c92db2f3ebf668029fdc4292993cbe1.exe	94
PID 4784 wrote to memory of 4572	4784	3c92db2f3ebf668029fdc4292993cbe1.exe	94
PID 4784 wrote to memory of 4572	4784	3c92db2f3ebf668029fdc4292993cbe1.exe	94
PID 4572 wrote to memory of 3992	4572	dosss.exe	95
PID 4572 wrote to memory of 3992	4572	dosss.exe	95
PID 4572 wrote to memory of 3992	4572	dosss.exe	95

C:\Users\Admin\AppData\Local\Temp\3c92db2f3ebf668029fdc4292993cbe1.exe
"C:\Users\Admin\AppData\Local\Temp\3c92db2f3ebf668029fdc4292993cbe1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Users\Admin\AppData\Local\Temp\dosss.exe
  "C:\Users\Admin\AppData\Local\Temp\dosss.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Users\Admin\AppData\Local\Temp\is-ML45S.tmp\dosss.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-ML45S.tmp\dosss.tmp" /SL5="$401EC,2148280,486912,C:\Users\Admin\AppData\Local\Temp\dosss.exe"
    3⤵
    - Executes dropped EXE
    PID:3992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dosss.exe

Filesize
2.7MB

MD5
a1f6923e771b4ff0df9fec9555f97c65

SHA1
545359cd68d0ee37f4b15e1a22c2c9a5fda69e22

SHA256
928c2808421dfd487ffa697379548cbe682c0e13aeb595eb89973ba9c515b8a1

SHA512
c9e54f48208151dcf60bf049d09a5c69f6ef7e4f046359fdfd50c61d49a6f9a37c3d3a2016d4beb70ae47270e9e9689e03064c02bee1e1d3d95998000e47f153

Download Submit
C:\Users\Admin\AppData\Local\Temp\dosss.exe

Filesize
2.7MB

MD5
a1f6923e771b4ff0df9fec9555f97c65

SHA1
545359cd68d0ee37f4b15e1a22c2c9a5fda69e22

SHA256
928c2808421dfd487ffa697379548cbe682c0e13aeb595eb89973ba9c515b8a1

SHA512
c9e54f48208151dcf60bf049d09a5c69f6ef7e4f046359fdfd50c61d49a6f9a37c3d3a2016d4beb70ae47270e9e9689e03064c02bee1e1d3d95998000e47f153

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ML45S.tmp\dosss.tmp

Filesize
1.5MB

MD5
c6bffd4da620b07cb214f1bd8e7f21d2

SHA1
054221dc0c8a686e0d17edd6e02c06458b1395c3

SHA256
55dbb288d5df6df375487bae50661dbf530fd43a7e96017b7183a54db8fc376a

SHA512
91e50df87a6e42b01e24accead25726047a641c3960fa3336f560168ed68356e6992d289a0a71b629d74ad7b00bbdbf7e6e909a4c8b5b1616fbf3b0cc63210ab

Download Submit
memory/3992-9-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/3992-12-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/3992-15-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/4572-3-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4572-11-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download