00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

Analysis

max time kernel
186s
max time network
136s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
15-11-2023 07:32

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General

Target

2E55708A4D3F97B3131EE5ADF5C05EFA.exe
Size

68KB
MD5

2e55708a4d3f97b3131ee5adf5c05efa
SHA1

fe58bb9f710c983ecc5b30f653b8ef4ed71311de
SHA256

00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93
SHA512

725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e
SSDEEP

384:XFLkkmlPu9GtKHK3Qh2Klokrb/8Lz53/Afiylab4i7TOTU0lOKV4n6MO:XJLmlmGtKHKtK6krYLVvAfzlY7TOvvG

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
796	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ë®Ó¡±êÇ©ÏµÍ³.lnk	resvr.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ë®Ó¡±êÇ©ÏµÍ³.lnk	2E55708A4D3F97B3131EE5ADF5C05EFA.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	resvr.exe

Loads dropped DLL 3 IoCs

pid	Process
2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
2700	resvr.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\Index.dat	resvr.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\Index.dat	2E55708A4D3F97B3131EE5ADF5C05EFA.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2700	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	29
PID 2200 wrote to memory of 2700	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	29
PID 2200 wrote to memory of 2700	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	29
PID 2200 wrote to memory of 2700	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	29
PID 2200 wrote to memory of 796	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	30
PID 2200 wrote to memory of 796	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	30
PID 2200 wrote to memory of 796	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	30
PID 2200 wrote to memory of 796	2200	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	30

C:\Users\Admin\AppData\Local\Temp\2E55708A4D3F97B3131EE5ADF5C05EFA.exe
"C:\Users\Admin\AppData\Local\Temp\2E55708A4D3F97B3131EE5ADF5C05EFA.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe
  "C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\X.bat" "
  2⤵
  - Deletes itself
  PID:796

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:\Program Files (x86)\Common Files\microsoft shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
C:\Program Files (x86)\Common Files\microsoft shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
C:\Program Files (x86)\Common Files\microsoft shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.bat

Filesize
210B

MD5
f0f173c12a641c2aaf750095e28b1ac7

SHA1
ae9b4765701b55dab44804a972eead916cec514a

SHA256
d4a3585fa7b212c2c4df3ed66b6711f125606516dba9bdadf7efceea0d278c1e

SHA512
ae1d6606da83ec9308c5be069896e2a05ff933bd85d529cc252bfbd042f42349e5a1d52e1e58f409a1a8d46550ee283f8bbef128227ac664b726389f09ed16f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.bat

Filesize
210B

MD5
f0f173c12a641c2aaf750095e28b1ac7

SHA1
ae9b4765701b55dab44804a972eead916cec514a

SHA256
d4a3585fa7b212c2c4df3ed66b6711f125606516dba9bdadf7efceea0d278c1e

SHA512
ae1d6606da83ec9308c5be069896e2a05ff933bd85d529cc252bfbd042f42349e5a1d52e1e58f409a1a8d46550ee283f8bbef128227ac664b726389f09ed16f8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ë®Ó¡±êÇ©ÏµÍ³.lnk

Filesize
2KB

MD5
7550bdee285133ce6fc670e23cd10c58

SHA1
692b4843b020a2a760cf039de8d9477df87f73a1

SHA256
10833898ea410a9e8886977f6768b3fb94ae358475c9501f86f488dcaf540d55

SHA512
5bed3baa3d34a9e927bbd512074ad538e0b4bc6590d9696434986127e5da56ac19b35f4a1f423b034dbac58aba1546510210906bb17e333e964a02da9b051ab8

Download Submit
\Program Files (x86)\Common Files\microsoft shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
\Program Files (x86)\Common Files\microsoft shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
\Program Files (x86)\Common Files\microsoft shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
memory/2200-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2200-12-0x0000000002C30000-0x0000000002C45000-memory.dmp

Filesize
84KB

Download
memory/2700-18-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2700-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2700-33-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2700-35-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download