emotet | a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69

General

Target

3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe
Size

132KB
MD5

3c50348c398c8bfd4f90b41970c2c25d
SHA1

3522048bdff86d9ce5a1ca0f5a0576977e07e23d
SHA256

a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69
SHA512

6405b6f338128c715e877e8fe6669be6065669d958dc1d9fb7c96587b26ad6edbbc2c3176f60dbbc29be143a069d7229445203750164fa93ce49e4baa9d14d27
SSDEEP

3072:B0Ecsz3+wLvN0YBn/+kuSmR8+J2xixlx5EHIOH5S7:aNgmm+P3K+JpxeH5a

Score

10^/10

emotet banker trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	ribbonsource.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ribbonsource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{38CEE3A5-72BA-4FC3-9F7C-0CDE24E4DF05}\WpadDecision = "0"	ribbonsource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{38CEE3A5-72BA-4FC3-9F7C-0CDE24E4DF05}\WpadNetworkName = "Network 3"	ribbonsource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-91-38-57-ff-68\WpadDecision = "0"	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ribbonsource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ribbonsource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{38CEE3A5-72BA-4FC3-9F7C-0CDE24E4DF05}	ribbonsource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{38CEE3A5-72BA-4FC3-9F7C-0CDE24E4DF05}\WpadDecisionReason = "1"	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{38CEE3A5-72BA-4FC3-9F7C-0CDE24E4DF05}\52-91-38-57-ff-68	ribbonsource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-91-38-57-ff-68\WpadDecisionTime = 208c362425d4da01	ribbonsource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ribbonsource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ribbonsource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-91-38-57-ff-68\WpadDecisionReason = "1"	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ribbonsource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{38CEE3A5-72BA-4FC3-9F7C-0CDE24E4DF05}\WpadDecisionTime = 208c362425d4da01	ribbonsource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-91-38-57-ff-68	ribbonsource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ribbonsource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ribbonsource.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2224	ribbonsource.exe
2224	ribbonsource.exe
2224	ribbonsource.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1960	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe

Suspicious use of UnmapMainImage 4 IoCs

pid	Process
2124	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe
1960	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe
2228	ribbonsource.exe
2224	ribbonsource.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1960	2124	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe	30
PID 2124 wrote to memory of 1960	2124	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe	30
PID 2124 wrote to memory of 1960	2124	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe	30
PID 2124 wrote to memory of 1960	2124	3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe	30
PID 2228 wrote to memory of 2224	2228	ribbonsource.exe	33
PID 2228 wrote to memory of 2224	2228	ribbonsource.exe	33
PID 2228 wrote to memory of 2224	2228	ribbonsource.exe	33
PID 2228 wrote to memory of 2224	2228	ribbonsource.exe	33

C:\Users\Admin\AppData\Local\Temp\3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\3c50348c398c8bfd4f90b41970c2c25d_JaffaCakes118.exe
  --b972c985
  2⤵
  - Suspicious behavior: RenamesItself
  - Suspicious use of UnmapMainImage
  PID:1960

C:\Windows\SysWOW64\ribbonsource.exe
"C:\Windows\SysWOW64\ribbonsource.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\ribbonsource.exe
  --4692403
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-0-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2124-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-2-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2224-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2224-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2224-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2228-5-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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