7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b

Analysis

max time kernel
164s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 15:32

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General

Target

7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe
Size

2.8MB
MD5

e7aa116cd5e4659d3c20410e2358ad15
SHA1

20236b92654ee6210550953e67d65ae2760a3a3f
SHA256

7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b
SHA512

8ab1adfbe98e81eec68d548d519789c1545ea34e72eb22169ddf7467f54586a22ead9ed19bf4e04875d5355c66ecc8d2594767605d9ef20f5f172868fd0f8205
SSDEEP

49152:hNuL2MbupkadC+Xm0qfv2zxGp/aeYXfkHKci1hOO7YaALAz4qacCH:02MbVatXmcS/XYXAK11sOKAz4Z

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Server1.exe

pid process

1480 Server1.exe
Loads dropped DLL 1 IoCs

Processes:

dw20.exe

pid process

636 dw20.exe

pid	process
1480	Server1.exe

pid	process
636	dw20.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dw20.exe

pid process

636 dw20.exe

pid	process
636	dw20.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exeServer1.exe

description	pid	process	target process
PID 896 wrote to memory of 1480	896	7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe	Server1.exe
PID 896 wrote to memory of 1480	896	7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe	Server1.exe
PID 896 wrote to memory of 1480	896	7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe	Server1.exe
PID 896 wrote to memory of 1480	896	7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe	Server1.exe
PID 1480 wrote to memory of 636	1480	Server1.exe	dw20.exe
PID 1480 wrote to memory of 636	1480	Server1.exe	dw20.exe
PID 1480 wrote to memory of 636	1480	Server1.exe	dw20.exe
PID 1480 wrote to memory of 636	1480	Server1.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe
"C:\Users\Admin\AppData\Local\Temp\7739807e862854d6124a59580aec7c81374fecd866333b66d5e893084d6cdb3b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:896

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server1.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server1.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 432
3⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:636

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\IXP000.TMP\Server1.exe

Filesize
120KB

MD5
16afe1553f88b84f67d1fff0890a7b69

SHA1
09c6f2628f0944b45a501c8a466c889f7122075d

SHA256
8a707937eb1fc6342f70cea85b5e4572efa2f945c898dfc2bc80a85442824dd9

SHA512
cead80448475f8cfdcc3587cbed109ee4d06caafec80a5d9e5cf7da1c2dd003b9aa8a0a1fbfa3a291b00c0a8e1341fbb4e663f245aa03dee4cf94802d2a31e0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server1.exe

Filesize
120KB

MD5
16afe1553f88b84f67d1fff0890a7b69

SHA1
09c6f2628f0944b45a501c8a466c889f7122075d

SHA256
8a707937eb1fc6342f70cea85b5e4572efa2f945c898dfc2bc80a85442824dd9

SHA512
cead80448475f8cfdcc3587cbed109ee4d06caafec80a5d9e5cf7da1c2dd003b9aa8a0a1fbfa3a291b00c0a8e1341fbb4e663f245aa03dee4cf94802d2a31e0f

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server1.exe

Filesize
120KB

MD5
16afe1553f88b84f67d1fff0890a7b69

SHA1
09c6f2628f0944b45a501c8a466c889f7122075d

SHA256
8a707937eb1fc6342f70cea85b5e4572efa2f945c898dfc2bc80a85442824dd9

SHA512
cead80448475f8cfdcc3587cbed109ee4d06caafec80a5d9e5cf7da1c2dd003b9aa8a0a1fbfa3a291b00c0a8e1341fbb4e663f245aa03dee4cf94802d2a31e0f

Download Submit
memory/636-60-0x0000000000000000-mapping.dmp

Download
memory/896-54-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

Filesize
8KB

Download
memory/1480-55-0x0000000000000000-mapping.dmp

Download
memory/1480-58-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1480-59-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1480-63-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download