emotet | f6885254828fe0d341adf12a93f090f2877ee7eb99a9e27408c8fdd5121d3ecb

General

Target

ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
Size

306KB
MD5

ef2fc995637f28a47ec96592c17a373c
SHA1

17ab811ae39e0c271a22ad7fee727ecd9fce51d2
SHA256

f6885254828fe0d341adf12a93f090f2877ee7eb99a9e27408c8fdd5121d3ecb
SHA512

3dc20aed34ca590d9c515d3679eed9d87b5e30e5cbfd4604c5cc4ea868180dfc1766415301bc8705eb3de5b483dd19cb4d71589ec6b66bca35106ffa3b77e5db
SSDEEP

6144:lhtLAppKkUTtvh2VuL6g8+fGKVMc3+toJFihLt3A+l:tApUTVAuL6gvfG+dJFihLt3A+l

Score

10^/10

emotet banker discovery 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	culturedefine.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	culturedefine.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	culturedefine.exe

Modifies data under HKEY_USERS 19 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B2A8F5AA-2680-4EEE-9482-8DA2D9E2294D}\WpadDecision = "0"	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	culturedefine.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	culturedefine.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	culturedefine.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B2A8F5AA-2680-4EEE-9482-8DA2D9E2294D}\WpadDecisionReason = "1"	culturedefine.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B2A8F5AA-2680-4EEE-9482-8DA2D9E2294D}\WpadDecisionTime = f0739f19eb0bdb01	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B2A8F5AA-2680-4EEE-9482-8DA2D9E2294D}\6a-9f-a8-1d-02-76	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	culturedefine.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	culturedefine.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-9f-a8-1d-02-76\WpadDetectedUrl	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-9f-a8-1d-02-76	culturedefine.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-9f-a8-1d-02-76\WpadDecisionReason = "1"	culturedefine.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-9f-a8-1d-02-76\WpadDecisionTime = f0739f19eb0bdb01	culturedefine.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-9f-a8-1d-02-76\WpadDecision = "0"	culturedefine.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	culturedefine.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B2A8F5AA-2680-4EEE-9482-8DA2D9E2294D}	culturedefine.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B2A8F5AA-2680-4EEE-9482-8DA2D9E2294D}\WpadNetworkName = "Network 3"	culturedefine.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2076	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
2784	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
2692	culturedefine.exe
2700	culturedefine.exe
2700	culturedefine.exe
2700	culturedefine.exe
2700	culturedefine.exe
2700	culturedefine.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2784	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe

Suspicious use of UnmapMainImage 4 IoCs

pid	Process
2076	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
2784	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
2692	culturedefine.exe
2700	culturedefine.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2784	2076	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2784	2076	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2784	2076	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2784	2076	ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2700	2692	culturedefine.exe	32
PID 2692 wrote to memory of 2700	2692	culturedefine.exe	32
PID 2692 wrote to memory of 2700	2692	culturedefine.exe	32
PID 2692 wrote to memory of 2700	2692	culturedefine.exe	32

C:\Users\Admin\AppData\Local\Temp\ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ef2fc995637f28a47ec96592c17a373c_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of UnmapMainImage
  PID:2784

C:\Windows\SysWOW64\culturedefine.exe
"C:\Windows\SysWOW64\culturedefine.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\culturedefine.exe
  "C:\Windows\SysWOW64\culturedefine.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:2700

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2076-0-0x00000000003D0000-0x00000000003E5000-memory.dmp

Filesize
84KB

Download
memory/2076-1-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2076-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2076-5-0x00000000003D0000-0x00000000003E5000-memory.dmp

Filesize
84KB

Download
memory/2692-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2700-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2700-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2700-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2784-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2784-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2784-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2784-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

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