ec59b6cadd4773d917f3ced530b911a47d9a138fbad6eb13ede203ab4f42e416

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240220-en
resource tags

arch:x64arch:x86image:win10v2004-20240220-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 13:13

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General

Target

_Nachoneko_cover_(getmp3.pro).mp3
Size

4.7MB
MD5

a437aea21c05238364cdc59a812fc41b
SHA1

9e0037efb2d89022e5452a115e0eca70f6dc799d
SHA256

ec59b6cadd4773d917f3ced530b911a47d9a138fbad6eb13ede203ab4f42e416
SHA512

f3cdfac4bd3e71ab36649655db6c733c1d5444bc50d6e9445a8b87b06c254e32182a412fd3bd017313df19e9c02805bb3424b3e88c970087814639574272eae9
SSDEEP

98304:XrO7Jp4e7ZHC/FoJTVcG6qJytX/3+7MKQP+QXHY3SFepbI1/4Gmak+X+:7OwC5aG63tX/u7KVH4WybI1/pvs

Score

6^/10

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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\O:	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)	\??\I:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4436	unregmp2.exe
Token: SeCreatePagefilePrivilege	4436	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 4760	2944	wmplayer.exe	86
PID 2944 wrote to memory of 4760	2944	wmplayer.exe	86
PID 2944 wrote to memory of 4760	2944	wmplayer.exe	86
PID 2944 wrote to memory of 1308	2944	wmplayer.exe	87
PID 2944 wrote to memory of 1308	2944	wmplayer.exe	87
PID 2944 wrote to memory of 1308	2944	wmplayer.exe	87
PID 1308 wrote to memory of 4436	1308	unregmp2.exe	88
PID 1308 wrote to memory of 4436	1308	unregmp2.exe	88

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\_Nachoneko_cover_(getmp3.pro).mp3"
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- 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\_Nachoneko_cover_(getmp3.pro).mp3"
  2⤵
  PID:4760
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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\Media Player\CurrentDatabase_400.wmdb

Filesize
64KB

MD5
c374c25875887db7d072033f817b6ce1

SHA1
3a6d10268f30e42f973dadf044dba7497e05cdaf

SHA256
05d47b87b577841cc40db176ea634ec49b0b97066e192e1d48d84bb977e696b6

SHA512
6a14f81a300695c09cb335c13155144e562c86bb0ddfdcab641eb3a168877ad3fcc0579ad86162622998928378ea2ffe5a244b3ddbe6c11a959dbb34af374a7d

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C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
7ab73ab0e31e9feb6d8b4d5dfb82305b

SHA1
d7c5465ee41f3200d9f7a8a1da8dd8c3f043664b

SHA256
cd7f468ba08200c188cc6cff7be45b0a1695e4ec9a849ce1e7f621b005688e70

SHA512
418e4606c214fc858bab03a65b74b40c098dfd52823c4a5616e16b759d3887d9c3fc47be09cbb42a8706d71e978da0322f068693db3754c2c766ae3813b06b58

Download Submit