Overview
overview
7Static
static
7KakaoTalk_Setup.exe
windows7-x64
3KakaoTalk_Setup.exe
windows10-2004-x64
7resource/s...01.mp3
windows7-x64
1resource/s...01.mp3
windows10-2004-x64
6resource/s...02.mp3
windows7-x64
1resource/s...02.mp3
windows10-2004-x64
6resource/s...03.mp3
windows7-x64
1resource/s...03.mp3
windows10-2004-x64
6resource/s...04.mp3
windows7-x64
1resource/s...04.mp3
windows10-2004-x64
6resource/s...05.mp3
windows7-x64
1resource/s...05.mp3
windows10-2004-x64
6resource/s...06.mp3
windows7-x64
1resource/s...06.mp3
windows10-2004-x64
6resource/s...08.mp3
windows7-x64
1resource/s...08.mp3
windows10-2004-x64
6resource/s...09.mp3
windows7-x64
1resource/s...09.mp3
windows10-2004-x64
6resource/s...10.mp3
windows7-x64
1resource/s...10.mp3
windows10-2004-x64
6resource/s...11.mp3
windows7-x64
1resource/s...11.mp3
windows10-2004-x64
6resource/s...12.mp3
windows7-x64
1resource/s...12.mp3
windows10-2004-x64
6resource/s...01.mp3
windows7-x64
1resource/s...01.mp3
windows10-2004-x64
6resource/s...02.mp3
windows7-x64
1resource/s...02.mp3
windows10-2004-x64
6resource/s...03.mp3
windows7-x64
1resource/s...03.mp3
windows10-2004-x64
6resource/s...04.mp3
windows7-x64
1resource/s...04.mp3
windows10-2004-x64
6Analysis
-
max time kernel
47s -
max time network
53s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10-06-2024 13:24
Behavioral task
behavioral1
Sample
KakaoTalk_Setup.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
KakaoTalk_Setup.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
resource/sound/ns_1_01.mp3
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
resource/sound/ns_1_01.mp3
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
resource/sound/ns_1_02.mp3
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
resource/sound/ns_1_02.mp3
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
resource/sound/ns_1_03.mp3
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
resource/sound/ns_1_03.mp3
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
resource/sound/ns_1_04.mp3
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
resource/sound/ns_1_04.mp3
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
resource/sound/ns_1_05.mp3
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
resource/sound/ns_1_05.mp3
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
resource/sound/ns_1_06.mp3
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
resource/sound/ns_1_06.mp3
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
resource/sound/ns_1_08.mp3
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
resource/sound/ns_1_08.mp3
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
resource/sound/ns_1_09.mp3
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
resource/sound/ns_1_09.mp3
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
resource/sound/ns_1_10.mp3
Resource
win7-20240220-en
Behavioral task
behavioral20
Sample
resource/sound/ns_1_10.mp3
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
resource/sound/ns_1_11.mp3
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
resource/sound/ns_1_11.mp3
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
resource/sound/ns_1_12.mp3
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
resource/sound/ns_1_12.mp3
Resource
win10v2004-20240426-en
Behavioral task
behavioral25
Sample
resource/sound/ns_2_01.mp3
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
resource/sound/ns_2_01.mp3
Resource
win10v2004-20240426-en
Behavioral task
behavioral27
Sample
resource/sound/ns_2_02.mp3
Resource
win7-20240508-en
Behavioral task
behavioral28
Sample
resource/sound/ns_2_02.mp3
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
resource/sound/ns_2_03.mp3
Resource
win7-20240508-en
Behavioral task
behavioral30
Sample
resource/sound/ns_2_03.mp3
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
resource/sound/ns_2_04.mp3
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
resource/sound/ns_2_04.mp3
Resource
win10v2004-20240508-en
General
-
Target
resource/sound/ns_2_03.mp3
-
Size
17KB
-
MD5
20c20f46aa0db12a811e52e57495cad7
-
SHA1
c202445caf3e4200b4c5c4bd20c13624e36ccd61
-
SHA256
efe4d423796ac17be338645e8b2bde587baf121e0d58c27e7fe02bea80f04f46
-
SHA512
3900c7e43ed264a0675651ad28c1c27ad6de94e941b58df67f5149932e06061942e6a930f43c3941ac7be00b20d7ad87a7ba8ef311efdfe743569612c0f552a7
-
SSDEEP
384:Q6rJJuiD2wb1TgnfwO4WVLuAZ0W7EJGKECGEo1KCvCheHU758WnA:Q4Jjnb1TyP4oKTq/KEZ1NvChOm82A
Malware Config
Signatures
-
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
unregmp2.exedescription ioc process File opened (read-only) \??\P: unregmp2.exe File opened (read-only) \??\T: unregmp2.exe File opened (read-only) \??\W: unregmp2.exe File opened (read-only) \??\I: unregmp2.exe File opened (read-only) \??\K: unregmp2.exe File opened (read-only) \??\L: unregmp2.exe File opened (read-only) \??\M: unregmp2.exe File opened (read-only) \??\N: unregmp2.exe File opened (read-only) \??\U: unregmp2.exe File opened (read-only) \??\V: unregmp2.exe File opened (read-only) \??\X: unregmp2.exe File opened (read-only) \??\B: unregmp2.exe File opened (read-only) \??\E: unregmp2.exe File opened (read-only) \??\J: unregmp2.exe File opened (read-only) \??\Q: unregmp2.exe File opened (read-only) \??\R: unregmp2.exe File opened (read-only) \??\A: unregmp2.exe File opened (read-only) \??\H: unregmp2.exe File opened (read-only) \??\O: unregmp2.exe File opened (read-only) \??\S: unregmp2.exe File opened (read-only) \??\Z: unregmp2.exe File opened (read-only) \??\G: unregmp2.exe File opened (read-only) \??\Y: unregmp2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
unregmp2.exedescription pid process Token: SeShutdownPrivilege 4024 unregmp2.exe Token: SeCreatePagefilePrivilege 4024 unregmp2.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
wmplayer.exeunregmp2.exedescription pid process target process PID 4796 wrote to memory of 3568 4796 wmplayer.exe setup_wm.exe PID 4796 wrote to memory of 3568 4796 wmplayer.exe setup_wm.exe PID 4796 wrote to memory of 3568 4796 wmplayer.exe setup_wm.exe PID 4796 wrote to memory of 1580 4796 wmplayer.exe unregmp2.exe PID 4796 wrote to memory of 1580 4796 wmplayer.exe unregmp2.exe PID 4796 wrote to memory of 1580 4796 wmplayer.exe unregmp2.exe PID 1580 wrote to memory of 4024 1580 unregmp2.exe unregmp2.exe PID 1580 wrote to memory of 4024 1580 unregmp2.exe unregmp2.exe
Processes
-
C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\resource\sound\ns_2_03.mp3"1⤵
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Program Files (x86)\Windows Media Player\setup_wm.exe"C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\resource\sound\ns_2_03.mp3"2⤵PID:3568
-
C:\Windows\SysWOW64\unregmp2.exe"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon2⤵
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\system32\unregmp2.exe"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:4024
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdbFilesize
384KB
MD5b84840b3a07dc993988171cc9a9e47dc
SHA189697a6c99a0e9ff9cd28636ae172f7c896c4a1c
SHA2565639dd0440595cd5b08e5ab74812060e9c05382a0ab57c49c45db97f2922ddcd
SHA512502da0c5c726b12c0cdca2be6cee1108b4e15b42ddec2d989611da8c2c21679ac01c0d815838f2a117c11ed56ff66f8d0d8ea1d3c08e676289bef6f3222679dd
-
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XMLFilesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
-
C:\Users\Admin\AppData\Local\Temp\wmsetup.logFilesize
1KB
MD5d51d094b644856c0b037364b522c2944
SHA15b1a1691c3a0c2262ed67c2894a8c6213c2765bc
SHA2568e40bd5341f533f931902e921290fbc835430509f8c19896ed8bdaa388ea1b03
SHA5122762cb934a923d2f0efcffa78745394215e229c10a9904682708739d2b6b3d238e117d40ca55bf7e3607a599179625ba0b0aebb89ba133acfb36e2e714f0b95c