Analysis Overview
SHA256
d6aa9b85d50f0a171effd9ea4f0c91dcfef7d204ecde55466c7b1dbbc3dd3c64
Threat Level: Known bad
The file aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 16:21
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 16:21
Reported
2024-06-14 16:24
Platform
win7-20231129-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Emotet
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976} | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadDecisionTime = 9011700477beda01 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\7e-a8-ad-78-4a-45 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDecision = "0" | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDetectedUrl | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDecisionReason = "1" | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDecisionTime = 9011700477beda01 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadDecision = "0" | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\computetabbtn.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"
C:\Windows\SysWOW64\computetabbtn.exe
"C:\Windows\SysWOW64\computetabbtn.exe"
C:\Windows\SysWOW64\computetabbtn.exe
"C:\Windows\SysWOW64\computetabbtn.exe"
Network
| Country | Destination | Domain | Proto |
| GB | 94.173.10.64:80 | tcp | |
| GB | 94.173.10.64:80 | tcp | |
| US | 128.193.56.6:443 | tcp | |
| US | 128.193.56.6:443 | tcp | |
| TR | 95.9.124.227:7080 | tcp | |
| TR | 95.9.124.227:7080 | tcp | |
| US | 75.75.150.219:80 | tcp |
Files
memory/1988-0-0x00000000003E0000-0x00000000003F7000-memory.dmp
memory/1988-4-0x00000000003E0000-0x00000000003F7000-memory.dmp
memory/1988-6-0x0000000000370000-0x0000000000380000-memory.dmp
memory/1988-5-0x00000000003C0000-0x00000000003D7000-memory.dmp
memory/2616-7-0x00000000003B0000-0x00000000003C7000-memory.dmp
memory/2616-11-0x00000000003B0000-0x00000000003C7000-memory.dmp
memory/1988-14-0x00000000003C0000-0x00000000003D7000-memory.dmp
memory/2616-13-0x00000000001E0000-0x00000000001F0000-memory.dmp
memory/2616-12-0x0000000000290000-0x00000000002A7000-memory.dmp
memory/3036-15-0x0000000000830000-0x0000000000847000-memory.dmp
memory/3036-19-0x0000000000830000-0x0000000000847000-memory.dmp
memory/3036-21-0x00000000003F0000-0x0000000000400000-memory.dmp
memory/3036-20-0x0000000000640000-0x0000000000657000-memory.dmp
memory/1212-22-0x00000000002B0000-0x00000000002C7000-memory.dmp
memory/1212-26-0x00000000002B0000-0x00000000002C7000-memory.dmp
memory/2616-28-0x0000000000290000-0x00000000002A7000-memory.dmp
memory/2616-27-0x0000000000400000-0x000000000048C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 16:21
Reported
2024-06-14 16:24
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Emotet
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3328 wrote to memory of 3948 | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe |
| PID 3328 wrote to memory of 3948 | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe |
| PID 3328 wrote to memory of 3948 | N/A | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe |
| PID 3548 wrote to memory of 4492 | N/A | C:\Windows\SysWOW64\iowacookies.exe | C:\Windows\SysWOW64\iowacookies.exe |
| PID 3548 wrote to memory of 4492 | N/A | C:\Windows\SysWOW64\iowacookies.exe | C:\Windows\SysWOW64\iowacookies.exe |
| PID 3548 wrote to memory of 4492 | N/A | C:\Windows\SysWOW64\iowacookies.exe | C:\Windows\SysWOW64\iowacookies.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"
C:\Windows\SysWOW64\iowacookies.exe
"C:\Windows\SysWOW64\iowacookies.exe"
C:\Windows\SysWOW64\iowacookies.exe
"C:\Windows\SysWOW64\iowacookies.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=4452,i,8998666007764333392,14724298544432336038,262144 --variations-seed-version --mojo-platform-channel-handle=3960 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| GB | 94.173.10.64:80 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| IE | 52.111.236.22:443 | tcp | |
| US | 128.193.56.6:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| TR | 95.9.124.227:7080 | tcp | |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 75.75.150.219:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 198.37.249.160:80 | tcp | |
| CA | 198.246.28.128:8080 | tcp |
Files
memory/3328-0-0x00000000005C0000-0x00000000005D7000-memory.dmp
memory/3328-4-0x00000000005C0000-0x00000000005D7000-memory.dmp
memory/3328-5-0x00000000005A0000-0x00000000005B7000-memory.dmp
memory/3328-6-0x0000000002250000-0x0000000002260000-memory.dmp
memory/3948-11-0x00000000020F0000-0x0000000002107000-memory.dmp
memory/3948-7-0x00000000020F0000-0x0000000002107000-memory.dmp
memory/3948-13-0x0000000002110000-0x0000000002120000-memory.dmp
memory/3948-12-0x0000000000650000-0x0000000000667000-memory.dmp
memory/3548-18-0x0000000000690000-0x00000000006A7000-memory.dmp
memory/3548-15-0x0000000000690000-0x00000000006A7000-memory.dmp
memory/3548-20-0x0000000000F10000-0x0000000000F20000-memory.dmp
memory/3548-19-0x0000000000670000-0x0000000000687000-memory.dmp
memory/4492-25-0x0000000000DB0000-0x0000000000DC7000-memory.dmp
memory/4492-21-0x0000000000DB0000-0x0000000000DC7000-memory.dmp
memory/3548-26-0x0000000000670000-0x0000000000687000-memory.dmp
memory/3948-27-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3948-28-0x0000000000650000-0x0000000000667000-memory.dmp