65fa93616cdb8c92a541dd2ad8468d6688e1b1f2606891b56db3e90fbfc9acbd

Target

Install2.exe
Size

497KB
MD5

41a5f4fd1ea7cac4aa94a87aebccfef0
SHA1

0d0abf079413a4c773754bf4fda338dc5b9a8ddc
SHA256

97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9
SHA512

5ca14bda498f26efff4e1179969b8f2c25244063c7bf25f3ec20b5cd24b5be320bbfb8b3d0b2d66f5c5b415da777a766fece5f251a4247773c6cb991417fb75f

Score

9^/10

evasion persistence

Malware Config

Signatures

Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518
Downloads MZ/PE file
Drops file in Drivers directory 1 IoCs

Processes:

Ultra.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Ultra.exe
Executes dropped EXE 5 IoCs

Processes:

Install2.tmpUltra.exeultramediaburner.exeLilovyvupi.exeWygohajesa.exe

pid process

1684 Install2.tmp
3824 Ultra.exe
3936 ultramediaburner.exe
2780 Lilovyvupi.exe
3292 Wygohajesa.exe
Loads dropped DLL 1 IoCs

Processes:

Install2.tmp

pid process

1684 Install2.tmp

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Ultra.exe

pid	process
1684	Install2.tmp
3824	Ultra.exe
3936	ultramediaburner.exe
2780	Lilovyvupi.exe
3292	Wygohajesa.exe

pid	process
1684	Install2.tmp

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Ultra.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\system recover = "\"C:\\Program Files (x86)\\Reference Assemblies\\Micymekuco.exe\""	Ultra.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Program Files directory 4 IoCs

Processes:

Ultra.exe

description	ioc	process
File created	C:\Program Files\Windows Defender Advanced Threat Protection\AWAILOANPW\ultramediaburner.exe	Ultra.exe
File created	C:\Program Files\Windows Defender Advanced Threat Protection\AWAILOANPW\ultramediaburner.exe.config	Ultra.exe
File created	C:\Program Files (x86)\Reference Assemblies\Micymekuco.exe	Ultra.exe
File created	C:\Program Files (x86)\Reference Assemblies\Micymekuco.exe.config	Ultra.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Wygohajesa.exe

pid	process
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe
3292	Wygohajesa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ultra.exeWygohajesa.exe

description pid process

Token: SeDebugPrivilege 3824 Ultra.exe
Token: SeDebugPrivilege 3292 Wygohajesa.exe

description	pid	process
Token: SeDebugPrivilege	3824	Ultra.exe
Token: SeDebugPrivilege	3292	Wygohajesa.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Install2.exeInstall2.tmpUltra.exeLilovyvupi.exe

description	pid	process	target process
PID 4016 wrote to memory of 1684	4016	Install2.exe	Install2.tmp
PID 4016 wrote to memory of 1684	4016	Install2.exe	Install2.tmp
PID 4016 wrote to memory of 1684	4016	Install2.exe	Install2.tmp
PID 1684 wrote to memory of 3824	1684	Install2.tmp	Ultra.exe
PID 1684 wrote to memory of 3824	1684	Install2.tmp	Ultra.exe
PID 3824 wrote to memory of 3936	3824	Ultra.exe	ultramediaburner.exe
PID 3824 wrote to memory of 3936	3824	Ultra.exe	ultramediaburner.exe
PID 3824 wrote to memory of 3936	3824	Ultra.exe	ultramediaburner.exe
PID 3824 wrote to memory of 2780	3824	Ultra.exe	Lilovyvupi.exe
PID 3824 wrote to memory of 2780	3824	Ultra.exe	Lilovyvupi.exe
PID 3824 wrote to memory of 3292	3824	Ultra.exe	Wygohajesa.exe
PID 3824 wrote to memory of 3292	3824	Ultra.exe	Wygohajesa.exe
PID 2780 wrote to memory of 2324	2780	Lilovyvupi.exe	dw20.exe
PID 2780 wrote to memory of 2324	2780	Lilovyvupi.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\Install2.exe
"C:\Users\Admin\AppData\Local\Temp\Install2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4016

C:\Users\Admin\AppData\Local\Temp\is-7Q45V.tmp\Install2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7Q45V.tmp\Install2.tmp" /SL5="$301E2,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\is-9F4UG.tmp\Ultra.exe
"C:\Users\Admin\AppData\Local\Temp\is-9F4UG.tmp\Ultra.exe" /S /UID=burnerch1
3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824

C:\Program Files\Windows Defender Advanced Threat Protection\AWAILOANPW\ultramediaburner.exe
"C:\Program Files\Windows Defender Advanced Threat Protection\AWAILOANPW\ultramediaburner.exe" /VERYSILENT
4⤵
- Executes dropped EXE
PID:3936

C:\Users\Admin\AppData\Local\Temp\3f-9671a-973-654a7-010c98edf5ee3\Lilovyvupi.exe
"C:\Users\Admin\AppData\Local\Temp\3f-9671a-973-654a7-010c98edf5ee3\Lilovyvupi.exe"
4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 1304
5⤵
PID:2324

C:\Users\Admin\AppData\Local\Temp\11-9ff04-d10-ce295-93100523d0264\Wygohajesa.exe
"C:\Users\Admin\AppData\Local\Temp\11-9ff04-d10-ce295-93100523d0264\Wygohajesa.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Software Discovery

T1518

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

C:\Program Files\Windows Defender Advanced Threat Protection\AWAILOANPW\ultramediaburner.exe
MD5
6729e26d6c15aea97cc94d13a2afa694

SHA1
47b1de9fbcb60571fa85578388c957e35b957a79

SHA256
7d3a4fda44a250e4e1b74d0cb14b82e27d925cffe20cb040173c3bed0efed7a1

SHA512
05eb58ea50f587126b360f9284fa32a6a8b1d5359c8bccf6ee3cf1cda887f1037aaa4a29afe75950cfc56da1e1350caf1f72ec49c7445e915cad3fb65477f677

Download Submit
C:\Program Files\Windows Defender Advanced Threat Protection\AWAILOANPW\ultramediaburner.exe
MD5
6729e26d6c15aea97cc94d13a2afa694

SHA1
47b1de9fbcb60571fa85578388c957e35b957a79

SHA256
7d3a4fda44a250e4e1b74d0cb14b82e27d925cffe20cb040173c3bed0efed7a1

SHA512
05eb58ea50f587126b360f9284fa32a6a8b1d5359c8bccf6ee3cf1cda887f1037aaa4a29afe75950cfc56da1e1350caf1f72ec49c7445e915cad3fb65477f677

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C:\Users\Admin\AppData\Local\Temp\11-9ff04-d10-ce295-93100523d0264\Wygohajesa.exe
MD5
416cdf5a20930fc452afc2b2226e0296

SHA1
7392192ab84730fe2b1d295f78ce9ee228f71c0d

SHA256
85420e807cda618caf01eddeb5adbb3875a07eab79ec5d0b442717f219b6bda1

SHA512
b1c007ce8e27d1cf17a1ca585672236eabafc54a67b715e8b68af82cd2b837f306d6364a934339c74fa954c61be809a42c4a2b39aa6b1060817cdb0bd9ea371d

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C:\Users\Admin\AppData\Local\Temp\11-9ff04-d10-ce295-93100523d0264\Wygohajesa.exe
MD5
416cdf5a20930fc452afc2b2226e0296

SHA1
7392192ab84730fe2b1d295f78ce9ee228f71c0d

SHA256
85420e807cda618caf01eddeb5adbb3875a07eab79ec5d0b442717f219b6bda1

SHA512
b1c007ce8e27d1cf17a1ca585672236eabafc54a67b715e8b68af82cd2b837f306d6364a934339c74fa954c61be809a42c4a2b39aa6b1060817cdb0bd9ea371d

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C:\Users\Admin\AppData\Local\Temp\11-9ff04-d10-ce295-93100523d0264\Wygohajesa.exe.config
MD5
98d2687aec923f98c37f7cda8de0eb19

SHA1
f6dcfcdcfe570340ecdbbd9e2a61f3cb4f281ba7

SHA256
8a94163256a722ef8cc140bcd115a5b8f8725c04fe158b129d47be81cb693465

SHA512
95c7290d59749df8df495e04789c1793265e0f34e0d091df5c0d4aefe1af4c8ac1f5460f1f198fc28c4c8c900827b8f22e2851957bbaea5914ea962b3a1d0590

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C:\Users\Admin\AppData\Local\Temp\3f-9671a-973-654a7-010c98edf5ee3\Lilovyvupi.exe
MD5
4aa6bbf2d091a9a87bac124c0adfc3f6

SHA1
a55729544d103ee3b40d13d12af5a5d87d2a6ead

SHA256
a584649ea9d8e4d8fd9a30bc6d2579421f59ef2ae2a076cf083b5cd567628688

SHA512
e3e71a968a2ed268a001959b5fb006fedee6c24820cb23cf68ba7bb83d5c8faf56f109a91373d6bb5728658d779bd6a002b54ea46b32dc7cb75f9a16751ce378

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C:\Users\Admin\AppData\Local\Temp\3f-9671a-973-654a7-010c98edf5ee3\Lilovyvupi.exe
MD5
4aa6bbf2d091a9a87bac124c0adfc3f6

SHA1
a55729544d103ee3b40d13d12af5a5d87d2a6ead

SHA256
a584649ea9d8e4d8fd9a30bc6d2579421f59ef2ae2a076cf083b5cd567628688

SHA512
e3e71a968a2ed268a001959b5fb006fedee6c24820cb23cf68ba7bb83d5c8faf56f109a91373d6bb5728658d779bd6a002b54ea46b32dc7cb75f9a16751ce378

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C:\Users\Admin\AppData\Local\Temp\3f-9671a-973-654a7-010c98edf5ee3\Lilovyvupi.exe.config
MD5
98d2687aec923f98c37f7cda8de0eb19

SHA1
f6dcfcdcfe570340ecdbbd9e2a61f3cb4f281ba7

SHA256
8a94163256a722ef8cc140bcd115a5b8f8725c04fe158b129d47be81cb693465

SHA512
95c7290d59749df8df495e04789c1793265e0f34e0d091df5c0d4aefe1af4c8ac1f5460f1f198fc28c4c8c900827b8f22e2851957bbaea5914ea962b3a1d0590

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C:\Users\Admin\AppData\Local\Temp\is-7Q45V.tmp\Install2.tmp
MD5
45ca138d0bb665df6e4bef2add68c7bf

SHA1
12c1a48e3a02f319a3d3ca647d04442d55e09265

SHA256
3960a0597104fc5bbf82bf6c03564a1eb6a829c560d1f50d0a63b4772fafbe37

SHA512
cd1a0493c26798eb70b3dabb8a439de7792c4676905cad21c6b3f372213ce9f6b65648245defcd36d4f19285160f41c62e1025e772e6b9f11aa126388ea8364f

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C:\Users\Admin\AppData\Local\Temp\is-9F4UG.tmp\Ultra.exe
MD5
cc2e3f1906f2f7a7318ce8e6f0f00683

SHA1
ff26f4b8ba148ddd488dde4eadd2412d6c288580

SHA256
0ed89ff238edaa1b5b084d5c3c7ba6864b59dac5a6fd961a9065e966f55b9cb2

SHA512
49d86be8794e0161bc2f2db626b9ce0031e9614486605f283c6cd8429fe9d907f3f3851d15cd318df5945ad2acac85da18f042f3692c38b794cc11d27b77a05a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9F4UG.tmp\Ultra.exe
MD5
cc2e3f1906f2f7a7318ce8e6f0f00683

SHA1
ff26f4b8ba148ddd488dde4eadd2412d6c288580

SHA256
0ed89ff238edaa1b5b084d5c3c7ba6864b59dac5a6fd961a9065e966f55b9cb2

SHA512
49d86be8794e0161bc2f2db626b9ce0031e9614486605f283c6cd8429fe9d907f3f3851d15cd318df5945ad2acac85da18f042f3692c38b794cc11d27b77a05a

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\Users\Admin\AppData\Local\Temp\is-9F4UG.tmp\idp.dll
MD5
8f995688085bced38ba7795f60a5e1d3

SHA1
5b1ad67a149c05c50d6e388527af5c8a0af4343a

SHA256
203d7b61eac96de865ab3b586160e72c78d93ab5532b13d50ef27174126fd006

SHA512
043d41947ab69fc9297dcb5ad238acc2c35250d1172869945ed1a56894c10f93855f0210cbca41ceee9efb55fd56a35a4ec03c77e252409edc64bfb5fb821c35

Download Submit
memory/1684-119-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1684-115-0x0000000000000000-mapping.dmp

Download
memory/2324-140-0x0000000000000000-mapping.dmp

Download
memory/2780-136-0x0000000002250000-0x0000000002252000-memory.dmp

Filesize
8KB

Download
memory/2780-129-0x0000000000000000-mapping.dmp

Download
memory/3292-133-0x0000000000000000-mapping.dmp

Download
memory/3292-138-0x0000000002C10000-0x0000000002C12000-memory.dmp

Filesize
8KB

Download
memory/3292-139-0x0000000002C12000-0x0000000002C14000-memory.dmp

Filesize
8KB

Download
memory/3824-123-0x0000000002840000-0x0000000002842000-memory.dmp

Filesize
8KB

Download
memory/3824-120-0x0000000000000000-mapping.dmp

Download
memory/3936-126-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3936-124-0x0000000000000000-mapping.dmp

Download
memory/4016-114-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download