f0031f9d7f25d4d29581879f62565a5a565995899adc60213f9e218147c78593

Analysis

max time kernel
108s
max time network
111s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
24-09-2024 11:54

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General

Target

MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe
Size

5.3MB
MD5

fbd9ad001bb2719f574c0705c5de05fb
SHA1

d07e77a490ad677935ac8213b88237e94440e791
SHA256

f0031f9d7f25d4d29581879f62565a5a565995899adc60213f9e218147c78593
SHA512

5724e3f858ae7ea92ba4ce325f3f8f4b90ecc6d7c19476e2888c4b09f0913463191b977f71314300918cceb0a6ae0b80e29d3c70891e8aeb9314da233a929e96
SSDEEP

98304:oeZOuRuvqAgef1ndGaX6tJJQv2FKA75OpVclc02vDRZTEB:1ZOPNdo3u0jc02vVZoB

Score

4^/10

discovery

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
4616	nemu-downloader.exe
3144	ColaBoxChecker.exe
4448	HyperVChecker.exe
3248	HyperVChecker.exe
5092	7z.exe
956	7z.exe

Loads dropped DLL 2 IoCs

pid	Process
5092	7z.exe
956	7z.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nemu-downloader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ColaBoxChecker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4616	nemu-downloader.exe
4616	nemu-downloader.exe
4616	nemu-downloader.exe
4616	nemu-downloader.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeRestorePrivilege	5092	7z.exe
Token: 35	5092	7z.exe
Token: SeSecurityPrivilege	5092	7z.exe
Token: SeSecurityPrivilege	5092	7z.exe
Token: SeRestorePrivilege	956	7z.exe
Token: 35	956	7z.exe
Token: SeSecurityPrivilege	956	7z.exe
Token: SeSecurityPrivilege	956	7z.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 4616	832	MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe	78
PID 832 wrote to memory of 4616	832	MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe	78
PID 832 wrote to memory of 4616	832	MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe	78
PID 4616 wrote to memory of 3144	4616	nemu-downloader.exe	79
PID 4616 wrote to memory of 3144	4616	nemu-downloader.exe	79
PID 4616 wrote to memory of 3144	4616	nemu-downloader.exe	79
PID 4616 wrote to memory of 4448	4616	nemu-downloader.exe	84
PID 4616 wrote to memory of 4448	4616	nemu-downloader.exe	84
PID 4616 wrote to memory of 3248	4616	nemu-downloader.exe	86
PID 4616 wrote to memory of 3248	4616	nemu-downloader.exe	86
PID 4616 wrote to memory of 5092	4616	nemu-downloader.exe	88
PID 4616 wrote to memory of 5092	4616	nemu-downloader.exe	88
PID 4616 wrote to memory of 5092	4616	nemu-downloader.exe	88
PID 4616 wrote to memory of 956	4616	nemu-downloader.exe	90
PID 4616 wrote to memory of 956	4616	nemu-downloader.exe	90
PID 4616 wrote to memory of 956	4616	nemu-downloader.exe	90

C:\Users\Admin\AppData\Local\Temp\MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe
"C:\Users\Admin\AppData\Local\Temp\MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\7z7CB35340\nemu-downloader.exe
  C:\Users\Admin\AppData\Local\Temp\7z7CB35340\nemu-downloader.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Users\Admin\AppData\Local\Temp\7z7CB35340\ColaBoxChecker.exe
    "C:\Users\Admin\AppData\Local\Temp\7z7CB35340\ColaBoxChecker.exe" checker /baseboard
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3144
- - C:\Users\Admin\AppData\Local\Temp\7z7CB35340\HyperVChecker.exe
    "C:\Users\Admin\AppData\Local\Temp\7z7CB35340\HyperVChecker.exe"
    3⤵
    - Executes dropped EXE
    PID:4448
- - C:\Users\Admin\AppData\Local\Temp\7z7CB35340\HyperVChecker.exe
    "C:\Users\Admin\AppData\Local\Temp\7z7CB35340\HyperVChecker.exe"
    3⤵
    - Executes dropped EXE
    PID:3248
- - C:\Users\Admin\AppData\Local\Temp\7z7CB35340\7z.exe
    "C:\Users\Admin\AppData\Local\Temp\7z7CB35340\7z.exe" a -tzip "C:\Users\Admin\AppData\Local\Temp\nemux.zip" "C:\Users\Admin\AppData\Local\Temp\nemux"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:5092
- - C:\Users\Admin\AppData\Local\Temp\7z7CB35340\7z.exe
    "C:\Users\Admin\AppData\Local\Temp\7z7CB35340\7z.exe" a -tzip "C:\Users\Admin\AppData\Local\Temp\nemux.zip" "C:\Users\Admin\AppData\Local\Temp\nemux"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7z7CB35340\7z.dll

Filesize
1.1MB

MD5
0ffa2bff9e56e6122aec80d3c1119d83

SHA1
09b7eb124b8c83469ae7de6447d1b8a7f5c98c61

SHA256
609cba3a8704aa6f5e2623858402bc048de7198a3567a53183bf97de091a3e48

SHA512
42522bf850156577de397e527b8515b1bf0bdeceb170efae71d87c39a25c72c155a2fec6a88b5c3ae443752046f8840cd8afac9c42ed7bcf67aeb9e78aeb5f2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\7z.exe

Filesize
292KB

MD5
97b382235264f18a53eff8e891997920

SHA1
cc0f3ad9411f54f70a2b1a1705e24048b06ea65c

SHA256
bf42783c293279c65b00e4f8b72be39e1cb0fcbe14d6679151b0d5e27fd8572d

SHA512
1e780698dbc0963ccbd73976da6898b3c0dc4b4e655a80563585518abd37a1a5561a980d035123011213a83c76320de6c08541caa71bfd6582eb93ff57672a83

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\ColaBoxChecker.exe

Filesize
4.0MB

MD5
839708e3f96cf055436fa08d6205263c

SHA1
a4579f8cb6b80fe3fd50099794f63eb51be3292f

SHA256
1373c5d006a5dbcd9b86cfff9a37616f1245d1333c4adcefc7cd18926b98d752

SHA512
ece67e031e06a0442d935e7d81d0eed57ae92b348b5d104423577478ce226e4a4bde834c54e31d33bfe6f574fb7798ba96886d9e8edb738edee6e7c9c43054cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\HyperVChecker.exe

Filesize
117KB

MD5
dbd84c6083e4badf4741d95ba3c9b5f8

SHA1
4a555adf8e0459bfd1145d9bd8d91b3fff94aad0

SHA256
9ff467bc5a1c377102d25da9fa9c24dcc4375f456510f71584f0714fdfb2af39

SHA512
fb5fe74f64254609e07d6642acf904562bb905cd7c14c6f85ba31bcdbaf06686c0586609ec4f5d2f8f55ff90334dcbb774a3a6e78df74bf1b1d0cd03dec21870

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\baseboard

Filesize
115B

MD5
200d51616891340fa9c9fd0201eb547f

SHA1
971dfcd41bfea760b58a062f11755e05f465bbaa

SHA256
2ded127368c0a793956400c8591b2803c05b84f1d09658f33e53fbc0e317bc9a

SHA512
07a1906eb3200488aeee72a4bd95361f5c3285f197eed2dac725147024f6a2c147ee738d9e8aba54617b4085b721cee72d3a8dbe3ce887040b7e3d1aca9119eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\config.ini

Filesize
346B

MD5
d00fb4c61a255b58ff09886c6c72461b

SHA1
4e4f7d7ae36f67a4d6fc8479f8400b3eb769e978

SHA256
77dec4d79e1e844a2156f101defc0fc81c138a989e8ba1c722c58feb91b3cd4a

SHA512
8494ab9fe0594f3ff7b0893ca3e25d6d0a706e546e92c5b662aa864affcefe5f9721a6a95f37f40cdacf39d27a23e2b3cd5dbca4d7b8909cd7c186209d4b46db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\nemu-downloader.exe

Filesize
3.2MB

MD5
cdf8047ceae80d9cd9eb798a57bf6084

SHA1
8e7971401fada3099aed61849745fda37e1c0d32

SHA256
1f01a9abac64fae72e0a253ad9ffe2d62cd2967c1c2bc90fb956ac446fe2b11e

SHA512
ac366f38f39b935110192d1355147392ced5a21966cc22386804356dce24b2da7971a6a60d675689f93d74014d961bfb3b0c13cf06809b9f9feef580045e20dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\run-checker-log\baseboard-139464717434899900.log.log

Filesize
4KB

MD5
e31e77c5a2e96585e92a92482b65bc14

SHA1
5cee0717b89d834e5da83441519456653fd26e08

SHA256
0d0defabfd1c79b5fd8fc38bf1fd65f5c2357506990961e1fe712cb6860e75a8

SHA512
7db455f801f02cfe73f5edd40e2f71807f05e8f216abfb22d7aaa47337ed6e0c64727bf0e6150b7562411cc9b91c930317714c82ee8aad9d7b5404299db08306

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7CB35340\skin.zip

Filesize
509KB

MD5
ecb43530caf9566c1b76d5af8d2097f1

SHA1
34562ada66cd1501fcb7411a1e1d86729fd7fdc0

SHA256
a12381f97aee2d91568f44b23e866ccc99f0ae5e5961f318ed24b72f4f5da80a

SHA512
4a243c0bc4dbaf892bee91ea7eff9e6a7732d3aa2df5bebd9a4bea2859a30a8511945ce3bb823f7ef921f2e1a98906fb676fce85f25fd5908646b3a2f5d02563

Download Submit
C:\Users\Admin\AppData\Local\Temp\nemux.zip

Filesize
22B

MD5
76cdb2bad9582d23c1f6f4d868218d6c

SHA1
b04f3ee8f5e43fa3b162981b50bb72fe1acabb33

SHA256
8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85

SHA512
5e2f959f36b66df0580a94f384c5fc1ceeec4b2a3925f062d7b68f21758b86581ac2adcfdde73a171a28496e758ef1b23ca4951c05455cdae9357cc3b5a5825f

Download Submit