0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6

Analysis

max time kernel
182s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 10:42

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General

Target

0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exe
Size

58KB
MD5

50ec5eea49f541419f96483de88f42cf
SHA1

2dc8e80e6193191112d01aa0978e40074451c666
SHA256

0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6
SHA512

b6e1af165e35b06fd832cd0e3615801a610d7f623625a6f1a2dcb67fdd3c27cd6fbf1d05a6f0b04a766b6f7bb3ea4c62234e351e38e921f0dbd60ad660f9dfe1
SSDEEP

1536:/M3Re3bDCJHrooFriiqUTtDEJCh9SlIIlvZaus:U36CdHsgtP9gPZ0

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 6 IoCs

Processes:

rundll32.exe

flow pid process

59 1520 rundll32.exe
67 1520 rundll32.exe
93 1520 rundll32.exe
109 1520 rundll32.exe
118 1520 rundll32.exe
121 1520 rundll32.exe
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

1908 rundll32.exe
1520 rundll32.exe

flow	pid	process
59	1520	rundll32.exe
67	1520	rundll32.exe
93	1520	rundll32.exe
109	1520	rundll32.exe
118	1520	rundll32.exe
121	1520	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ifonubaraxonugi = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\detend.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

rundll32.exe

pid	process
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe
1908	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exerundll32.exe

description	pid	process	target process
PID 4996 wrote to memory of 1908	4996	0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exe	rundll32.exe
PID 4996 wrote to memory of 1908	4996	0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exe	rundll32.exe
PID 4996 wrote to memory of 1908	4996	0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exe	rundll32.exe
PID 1908 wrote to memory of 1520	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1520	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1520	1908	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exe
"C:\Users\Admin\AppData\Local\Temp\0bd0321ef49903fa3be00621add69e18f2e13740bddcef52a5fd4e056bcdb0e6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\detend.dll",Startup
2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\detend.dll",iep
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:1520

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\detend.dll

Filesize
58KB

MD5
73c261dc4181f3b7e34a6f46ef72364c

SHA1
b0019a4f75aef86dd8b5bc8ddcedf5dbe16e6f59

SHA256
acfa31be0b0cc2699e21f2148a5c753332c82a4f8d41078de0ba95d4a8a8ac3d

SHA512
c50c8c5dc94d56dfc2ebc1d75746cc385a8ea56266267686cd699d7bd72e21b8ac31c7a661db12a59ed986884be4e221962f9b06a8a23da045c0fe1829514074

Download Submit
C:\Users\Admin\AppData\Local\detend.dll

Filesize
58KB

MD5
73c261dc4181f3b7e34a6f46ef72364c

SHA1
b0019a4f75aef86dd8b5bc8ddcedf5dbe16e6f59

SHA256
acfa31be0b0cc2699e21f2148a5c753332c82a4f8d41078de0ba95d4a8a8ac3d

SHA512
c50c8c5dc94d56dfc2ebc1d75746cc385a8ea56266267686cd699d7bd72e21b8ac31c7a661db12a59ed986884be4e221962f9b06a8a23da045c0fe1829514074

Download Submit
C:\Users\Admin\AppData\Local\detend.dll

Filesize
58KB

MD5
73c261dc4181f3b7e34a6f46ef72364c

SHA1
b0019a4f75aef86dd8b5bc8ddcedf5dbe16e6f59

SHA256
acfa31be0b0cc2699e21f2148a5c753332c82a4f8d41078de0ba95d4a8a8ac3d

SHA512
c50c8c5dc94d56dfc2ebc1d75746cc385a8ea56266267686cd699d7bd72e21b8ac31c7a661db12a59ed986884be4e221962f9b06a8a23da045c0fe1829514074

Download Submit
memory/1520-152-0x00000000010F1000-0x00000000010FF000-memory.dmp

Filesize
56KB

Download
memory/1520-146-0x0000000000000000-mapping.dmp

Download
memory/1908-144-0x0000000002731000-0x000000000273F000-memory.dmp

Filesize
56KB

Download
memory/1908-140-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/1908-137-0x0000000000000000-mapping.dmp

Download
memory/1908-141-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4996-132-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4996-145-0x0000000002311000-0x000000000231F000-memory.dmp

Filesize
56KB

Download
memory/4996-134-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4996-135-0x0000000010001000-0x000000001000C000-memory.dmp

Filesize
44KB

Download
memory/4996-133-0x0000000002311000-0x000000000231F000-memory.dmp

Filesize
56KB

Download