emotet | e671aee31a5e21e0578759ea80083d85bfbde90244226343acb77f9c0b732280

General

Target

61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
Size

1.2MB
MD5

61dda5df42f3482d0c1f5f9aecc7ed23
SHA1

5544d6d9e48855cbe94681078f4a68f03f27db40
SHA256

e671aee31a5e21e0578759ea80083d85bfbde90244226343acb77f9c0b732280
SHA512

3352240a317872649614af4b44a31cc455f83ccb906335c5a2c0e6655f5b883738cd380092fec3436f6e454642c8d1a295419864263529c6019be975cc4ddf2c
SSDEEP

6144:CxlV1FSOxoTpdLQ+GVcZDVBNj082BJr3k3xUOVs3DVf81GoyHn7kOpN50IKOOqsT:CxlnTALmQljH2fIGOVoDJLvfOqsUFY

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	chunkmware.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	chunkmware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chunkmware.exe

Modifies data under HKEY_USERS 18 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0127000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	chunkmware.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7443692-E514-43B5-B715-15866F785080}\WpadNetworkName = "Network 3"	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7443692-E514-43B5-B715-15866F785080}\0a-b2-d5-76-d1-c9	chunkmware.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-b2-d5-76-d1-c9\WpadDecisionTime = f08ad490de22db01	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	chunkmware.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7443692-E514-43B5-B715-15866F785080}\WpadDecisionTime = f08ad490de22db01	chunkmware.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-b2-d5-76-d1-c9\WpadDecision = "0"	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	chunkmware.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	chunkmware.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7443692-E514-43B5-B715-15866F785080}\WpadDecisionReason = "1"	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-b2-d5-76-d1-c9	chunkmware.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-b2-d5-76-d1-c9\WpadDecisionReason = "1"	chunkmware.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	chunkmware.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	chunkmware.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7443692-E514-43B5-B715-15866F785080}	chunkmware.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7443692-E514-43B5-B715-15866F785080}\WpadDecision = "0"	chunkmware.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2084	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
3008	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
2264	chunkmware.exe
2328	chunkmware.exe
2328	chunkmware.exe
2328	chunkmware.exe
2328	chunkmware.exe
2328	chunkmware.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3008	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3008	2084	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe	30
PID 2084 wrote to memory of 3008	2084	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe	30
PID 2084 wrote to memory of 3008	2084	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe	30
PID 2084 wrote to memory of 3008	2084	61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2328	2264	chunkmware.exe	32
PID 2264 wrote to memory of 2328	2264	chunkmware.exe	32
PID 2264 wrote to memory of 2328	2264	chunkmware.exe	32
PID 2264 wrote to memory of 2328	2264	chunkmware.exe	32

C:\Users\Admin\AppData\Local\Temp\61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\61dda5df42f3482d0c1f5f9aecc7ed23_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:3008

C:\Windows\SysWOW64\chunkmware.exe
"C:\Windows\SysWOW64\chunkmware.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\chunkmware.exe
  "C:\Windows\SysWOW64\chunkmware.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2328

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/2084-10-0x00000000002E0000-0x00000000002F9000-memory.dmp

Filesize
100KB

Download
memory/2084-4-0x0000000000300000-0x0000000000319000-memory.dmp

Filesize
100KB

Download
memory/2084-0-0x0000000000300000-0x0000000000319000-memory.dmp

Filesize
100KB

Download
memory/2084-11-0x0000000000320000-0x0000000000330000-memory.dmp

Filesize
64KB

Download
memory/2264-20-0x0000000000320000-0x0000000000330000-memory.dmp

Filesize
64KB

Download
memory/2264-19-0x0000000000340000-0x0000000000359000-memory.dmp

Filesize
100KB

Download
memory/2264-18-0x0000000000360000-0x0000000000379000-memory.dmp

Filesize
100KB

Download
memory/2264-15-0x0000000000360000-0x0000000000379000-memory.dmp

Filesize
100KB

Download
memory/2264-27-0x0000000000340000-0x0000000000359000-memory.dmp

Filesize
100KB

Download
memory/2328-21-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/2328-30-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/3008-9-0x0000000000280000-0x0000000000299000-memory.dmp

Filesize
100KB

Download
memory/3008-5-0x0000000000280000-0x0000000000299000-memory.dmp

Filesize
100KB

Download
memory/3008-12-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/3008-13-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/3008-29-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/3008-28-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download

Analysis

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