565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
16/06/2024, 01:10

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General

Target

565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
Size

1.6MB
MD5

6c63f5db1f5beff0a1cb3af035ca3d4c
SHA1

d0479b0f56db0526e9e59ff816ed143873e9dd79
SHA256

565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28
SHA512

e8961da22202addd1bfb30c4ee918f330ae228dbfb2cb05d32dc7f8e2bd12737a3744108a18396302d5ee5743bda96156101b7dc449d86c4dd84dc9896a3e3f5
SSDEEP

24576:JBbdrmZoGk/52SCUAO55ksXy4gE47he4wtL/xExlzXyD:Jr3/5PkO553eEQwtqx

Score

9^/10

aspackv2

Malware Config

Signatures

Detects executables packed with ASPack 4 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012294-2.dat	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/1916-4-0x0000000000230000-0x0000000000239000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/2308-12-0x0000000000A70000-0x0000000000A79000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/2308-50-0x0000000000A70000-0x0000000000A79000-memory.dmp	INDICATOR_EXE_Packed_ASPack

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000c000000012294-2.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
2308	LYMDYKd.exe
2600	csrss2.exe

Loads dropped DLL 4 IoCs

pid	Process
1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	LYMDYKd.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	LYMDYKd.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	LYMDYKd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2600	csrss2.exe
2600	csrss2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	csrss2.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
2600	csrss2.exe
2600	csrss2.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2308	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	28
PID 1916 wrote to memory of 2308	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	28
PID 1916 wrote to memory of 2308	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	28
PID 1916 wrote to memory of 2308	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	28
PID 1916 wrote to memory of 2600	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	29
PID 1916 wrote to memory of 2600	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	29
PID 1916 wrote to memory of 2600	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	29
PID 1916 wrote to memory of 2600	1916	565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe	29
PID 2308 wrote to memory of 2456	2308	LYMDYKd.exe	31
PID 2308 wrote to memory of 2456	2308	LYMDYKd.exe	31
PID 2308 wrote to memory of 2456	2308	LYMDYKd.exe	31
PID 2308 wrote to memory of 2456	2308	LYMDYKd.exe	31

C:\Users\Admin\AppData\Local\Temp\565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe
"C:\Users\Admin\AppData\Local\Temp\565e3379fa532b07aac8fb1b9dbdd6673fdac87c399a7800235c88e7dabe7f28.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\LYMDYKd.exe
  C:\Users\Admin\AppData\Local\Temp\LYMDYKd.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\0ba2594a.bat" "
    3⤵
    PID:2456
- C:\Users\Admin\AppData\Local\Temp\csrss2.exe
  C:\Users\Admin\AppData\Local\Temp\csrss2.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2600

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:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Z5LT06Y3\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0ba2594a.bat

Filesize
189B

MD5
b58e5b8cc1e7fa1273a84218eafd9c99

SHA1
8abb1c08bf393908e983cb7871b9c6666ad7d702

SHA256
3e66d33affabf0fb4d7071284f3663f6607c481eb44f242b95d79d297c5393e7

SHA512
10ede75ff0abdb781630c79359d33066978ba566a605cabcf45b6f248c6267a153eca6d7deb396c74947aa0f76c9eaaf3bd451848361b425ae16b6e103aba4c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\71EA0619.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\csrss2.exe

Filesize
892KB

MD5
a38a05e4a9dbfc6e7b6608b7f48d909c

SHA1
72013c52a8d0572c803f7f7240d84c4819e307c7

SHA256
113528adbbf5f74519d59a556e232e43f87e067ebe229ce0698bb9cd2a3656b0

SHA512
ff43ad96878bc040001b685f8e71b2b50c9cca4f627700334689c353d6bdfa34bbd8324c7342abefb9cc2bc842d3a2a728122350d8fcd44cc1f0582d33caab03

Download Submit
memory/1916-1-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1916-4-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1916-11-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1916-53-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/2308-12-0x0000000000A70000-0x0000000000A79000-memory.dmp

Filesize
36KB

Download
memory/2308-50-0x0000000000A70000-0x0000000000A79000-memory.dmp

Filesize
36KB

Download
memory/2600-52-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download