3b07621bf3d247246005738667618d1161134f817208411ea1f769850b769686

Resubmissions

09/05/2023, 18:56

230509-xlbzksdd88 7

09/05/2023, 18:53

230509-xjzymafd21 7

Analysis

max time kernel
0s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09/05/2023, 18:56

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General

Target

87c64b374f44ac558513f3cc2679354e.exe
Size

604KB
MD5

87c64b374f44ac558513f3cc2679354e
SHA1

ca6ecc8a05a4b7240b67f9602694821474630ba0
SHA256

3b07621bf3d247246005738667618d1161134f817208411ea1f769850b769686
SHA512

073271c5b376890e71a1fcefa4706bc8ce312175ab95bc6d726c38aa3fcea4b764a8f391e9a7a98346cc96badbe38a1d43070f549259bb8fb71ed6e7b48dd7a4
SSDEEP

6144:XdVW+PZj6b+HdtH9Wd1yxBMfQesCDeNxAoDwK3bHKsnobns+NOYuR6NN12tjyh07:XXZu+Hdsy7Mfbs3xA83LUnY6NNKjq0XL

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1528	embedded.exe

Loads dropped DLL 3 IoCs

pid	Process
956	cmd.exe
956	cmd.exe
1480	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Sun Java Security Plugin = "C:\\Users\\Admin\\AppData\\Roaming\\Java Security Plugin\\javaplugin.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\Sun Java Security Plugin = "C:\\Users\\Admin\\AppData\\Roaming\\Java Security Plugin\\javaplugin.exe"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1480	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1480	iexplore.exe
1480	iexplore.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 956	1632	87c64b374f44ac558513f3cc2679354e.exe	28
PID 1632 wrote to memory of 956	1632	87c64b374f44ac558513f3cc2679354e.exe	28
PID 1632 wrote to memory of 956	1632	87c64b374f44ac558513f3cc2679354e.exe	28
PID 1632 wrote to memory of 956	1632	87c64b374f44ac558513f3cc2679354e.exe	28
PID 956 wrote to memory of 1528	956	cmd.exe	29
PID 956 wrote to memory of 1528	956	cmd.exe	29
PID 956 wrote to memory of 1528	956	cmd.exe	29
PID 956 wrote to memory of 1528	956	cmd.exe	29
PID 1528 wrote to memory of 1480	1528	embedded.exe	30
PID 1528 wrote to memory of 1480	1528	embedded.exe	30
PID 1528 wrote to memory of 1480	1528	embedded.exe	30
PID 1528 wrote to memory of 1480	1528	embedded.exe	30
PID 1528 wrote to memory of 1480	1528	embedded.exe	30
PID 1480 wrote to memory of 588	1480	iexplore.exe	31
PID 1480 wrote to memory of 588	1480	iexplore.exe	31
PID 1480 wrote to memory of 588	1480	iexplore.exe	31
PID 1480 wrote to memory of 588	1480	iexplore.exe	31
PID 1480 wrote to memory of 588	1480	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\87c64b374f44ac558513f3cc2679354e.exe
"C:\Users\Admin\AppData\Local\Temp\87c64b374f44ac558513f3cc2679354e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c embedded.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Users\Admin\AppData\Local\Temp\embedded.exe
    embedded.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      Loads dropped DLL
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1480
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        
        PID:588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
66KB

MD5
140d24af0c2b3a18529df12dfbc5f6de

SHA1
e8db5ad2b7ffede3e41b9c3adb24f3232d764931

SHA256
4eabb1adc035f035e010c0d0d259c683e18193f509946652ed8aa7c5d92b6a92

SHA512
a2ead649f155555ec3e55800494f833d18cea68afe736807ec23b5991242928a0853e451b60894ec8e0abe8c42db341c2237007981f38f0366fd7c6ecafb7415

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

Filesize
66KB

MD5
140d24af0c2b3a18529df12dfbc5f6de

SHA1
e8db5ad2b7ffede3e41b9c3adb24f3232d764931

SHA256
4eabb1adc035f035e010c0d0d259c683e18193f509946652ed8aa7c5d92b6a92

SHA512
a2ead649f155555ec3e55800494f833d18cea68afe736807ec23b5991242928a0853e451b60894ec8e0abe8c42db341c2237007981f38f0366fd7c6ecafb7415

Download Submit
\Users\Admin\AppData\Local\Temp\SecureDll.dll

Filesize
48KB

MD5
b5f429729f6ba45df4fc03b7b07a1fb8

SHA1
0f93258b587c8f1955de1138f0c08290e65c06df

SHA256
e41fb7878c89cc728005f3c82f7ee8c14ce27edcf4e307ddd8691f62dd5e6726

SHA512
e54fca413ac9ca30b03ba49d5b060473bd8158bd68afb867dd7309618d23add8a480eced723e042e206b58b663d852d993999c5023dcb440263ed143442ad3be

Download Submit
\Users\Admin\AppData\Local\Temp\embedded.exe

Filesize
66KB

MD5
140d24af0c2b3a18529df12dfbc5f6de

SHA1
e8db5ad2b7ffede3e41b9c3adb24f3232d764931

SHA256
4eabb1adc035f035e010c0d0d259c683e18193f509946652ed8aa7c5d92b6a92

SHA512
a2ead649f155555ec3e55800494f833d18cea68afe736807ec23b5991242928a0853e451b60894ec8e0abe8c42db341c2237007981f38f0366fd7c6ecafb7415

Download Submit
\Users\Admin\AppData\Local\Temp\embedded.exe

Filesize
66KB

MD5
140d24af0c2b3a18529df12dfbc5f6de

SHA1
e8db5ad2b7ffede3e41b9c3adb24f3232d764931

SHA256
4eabb1adc035f035e010c0d0d259c683e18193f509946652ed8aa7c5d92b6a92

SHA512
a2ead649f155555ec3e55800494f833d18cea68afe736807ec23b5991242928a0853e451b60894ec8e0abe8c42db341c2237007981f38f0366fd7c6ecafb7415

Download Submit
memory/1528-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download