65fa93616cdb8c92a541dd2ad8468d6688e1b1f2606891b56db3e90fbfc9acbd

Target

Install.exe
Size

497KB
MD5

41a5f4fd1ea7cac4aa94a87aebccfef0
SHA1

0d0abf079413a4c773754bf4fda338dc5b9a8ddc
SHA256

97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9
SHA512

5ca14bda498f26efff4e1179969b8f2c25244063c7bf25f3ec20b5cd24b5be320bbfb8b3d0b2d66f5c5b415da777a766fece5f251a4247773c6cb991417fb75f

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

Install.tmpUltra.exe

pid process

2600 Install.tmp
1164 Ultra.exe
Loads dropped DLL 1 IoCs

Processes:

Install.tmp

pid process

2600 Install.tmp
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

dw20.exe

pid process

2976 dw20.exe
2976 dw20.exe

pid	process
2600	Install.tmp
1164	Ultra.exe

pid	process
2600	Install.tmp

pid	process
2976	dw20.exe
2976	dw20.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Install.exeInstall.tmpUltra.exe

description	pid	process	target process
PID 424 wrote to memory of 2600	424	Install.exe	Install.tmp
PID 424 wrote to memory of 2600	424	Install.exe	Install.tmp
PID 424 wrote to memory of 2600	424	Install.exe	Install.tmp
PID 2600 wrote to memory of 1164	2600	Install.tmp	Ultra.exe
PID 2600 wrote to memory of 1164	2600	Install.tmp	Ultra.exe
PID 1164 wrote to memory of 2976	1164	Ultra.exe	dw20.exe
PID 1164 wrote to memory of 2976	1164	Ultra.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:424

C:\Users\Admin\AppData\Local\Temp\is-7SDHT.tmp\Install.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7SDHT.tmp\Install.tmp" /SL5="$200F4,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600

C:\Users\Admin\AppData\Local\Temp\is-9VO2M.tmp\Ultra.exe
"C:\Users\Admin\AppData\Local\Temp\is-9VO2M.tmp\Ultra.exe" /S /UID=burnerch1
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 1260
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2976

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

SHA1
12c1a48e3a02f319a3d3ca647d04442d55e09265

SHA256
3960a0597104fc5bbf82bf6c03564a1eb6a829c560d1f50d0a63b4772fafbe37

SHA512
cd1a0493c26798eb70b3dabb8a439de7792c4676905cad21c6b3f372213ce9f6b65648245defcd36d4f19285160f41c62e1025e772e6b9f11aa126388ea8364f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9VO2M.tmp\Ultra.exe
MD5
cc2e3f1906f2f7a7318ce8e6f0f00683

SHA1
ff26f4b8ba148ddd488dde4eadd2412d6c288580

SHA256
0ed89ff238edaa1b5b084d5c3c7ba6864b59dac5a6fd961a9065e966f55b9cb2

SHA512
49d86be8794e0161bc2f2db626b9ce0031e9614486605f283c6cd8429fe9d907f3f3851d15cd318df5945ad2acac85da18f042f3692c38b794cc11d27b77a05a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9VO2M.tmp\Ultra.exe
MD5
cc2e3f1906f2f7a7318ce8e6f0f00683

SHA1
ff26f4b8ba148ddd488dde4eadd2412d6c288580

SHA256
0ed89ff238edaa1b5b084d5c3c7ba6864b59dac5a6fd961a9065e966f55b9cb2

SHA512
49d86be8794e0161bc2f2db626b9ce0031e9614486605f283c6cd8429fe9d907f3f3851d15cd318df5945ad2acac85da18f042f3692c38b794cc11d27b77a05a

Download Submit
\Users\Admin\AppData\Local\Temp\is-9VO2M.tmp\idp.dll
MD5
8f995688085bced38ba7795f60a5e1d3

SHA1
5b1ad67a149c05c50d6e388527af5c8a0af4343a

SHA256
203d7b61eac96de865ab3b586160e72c78d93ab5532b13d50ef27174126fd006

SHA512
043d41947ab69fc9297dcb5ad238acc2c35250d1172869945ed1a56894c10f93855f0210cbca41ceee9efb55fd56a35a4ec03c77e252409edc64bfb5fb821c35

Download Submit
memory/424-114-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1164-120-0x0000000000000000-mapping.dmp

Download
memory/1164-123-0x0000000002E90000-0x0000000002E92000-memory.dmp

Filesize
8KB

Download
memory/2600-115-0x0000000000000000-mapping.dmp

Download
memory/2600-118-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2976-124-0x0000000000000000-mapping.dmp

Download