Analysis Overview
SHA256
0aa89703dc8099d1826e841148967b6b9af92c19f33b44513768edc1e74560e9
Threat Level: Known bad
The file b0bd63567eff00c049e47464683d4beb_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Emotet payload
Executes dropped EXE
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-15 23:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 23:46
Reported
2024-06-15 23:49
Platform
win7-20240221-en
Max time kernel
131s
Max time network
139s
Command Line
Signatures
Emotet
Emotet payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
Processes
C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| JP | 116.91.240.96:80 | tcp | |
| JP | 116.91.240.96:80 | tcp | |
| IN | 167.71.227.113:8080 | tcp | |
| IN | 167.71.227.113:8080 | tcp | |
| CO | 190.85.46.52:7080 | tcp | |
| CO | 190.85.46.52:7080 | tcp | |
| US | 162.144.42.60:8080 | tcp | |
| US | 162.144.42.60:8080 | tcp |
Files
memory/2084-4-0x0000000000270000-0x0000000000280000-memory.dmp
memory/2084-0-0x0000000000250000-0x0000000000262000-memory.dmp
memory/2084-7-0x0000000000230000-0x000000000023F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 23:46
Reported
2024-06-15 23:49
Platform
win10v2004-20240611-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Emotet
Emotet payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe | C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4160 wrote to memory of 3460 | N/A | C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe | C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe |
| PID 4160 wrote to memory of 3460 | N/A | C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe | C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe |
| PID 4160 wrote to memory of 3460 | N/A | C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe | C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b0bd63567eff00c049e47464683d4beb_JaffaCakes118.exe"
C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe
"C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4288,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=1032 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| JP | 116.91.240.96:80 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.121.18.2.in-addr.arpa | udp |
| IN | 167.71.227.113:8080 | tcp | |
| NL | 52.111.243.30:443 | tcp | |
| CO | 190.85.46.52:7080 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 162.144.42.60:8080 | tcp | |
| PK | 202.166.170.43:80 | tcp | |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| FI | 95.216.205.155:8080 | tcp | |
| JP | 120.51.34.254:80 | tcp |
Files
memory/4160-0-0x00000000005E0000-0x00000000005F2000-memory.dmp
memory/4160-4-0x0000000000600000-0x0000000000610000-memory.dmp
memory/4160-7-0x00000000004C0000-0x00000000004CF000-memory.dmp
memory/4160-9-0x0000000000400000-0x00000000004AD000-memory.dmp
C:\Windows\SysWOW64\Windows.Media.Speech\uReFSv1.exe
| MD5 | b0bd63567eff00c049e47464683d4beb |
| SHA1 | f76de952ad5e85166f7d57657d6bf5241c482afb |
| SHA256 | 0aa89703dc8099d1826e841148967b6b9af92c19f33b44513768edc1e74560e9 |
| SHA512 | 04270f5fe94dcd75fadca878aad3113451e7df76666bfb5ffeaec850360164bb5bc70efa65f88a3466a3a8de3c42c1b4d5425c6f8d5d3826b33bb3b650b082ed |
memory/3460-10-0x0000000002130000-0x0000000002142000-memory.dmp
memory/3460-14-0x0000000000740000-0x0000000000750000-memory.dmp