emotet | f9409b8b773b89035f9e8075b0e72ceabc934d17835c5622cb45da20bb2cb644

General

Target

eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe
Size

132KB
MD5

eb7b9880c5bca3e54858a9f328468ded
SHA1

f584affae1250cc172b7c4d255bc741e65da1587
SHA256

f9409b8b773b89035f9e8075b0e72ceabc934d17835c5622cb45da20bb2cb644
SHA512

deac80627396e3bedb35748094236ebd78a0def9b822f9c6b525a04b40733e586b1826fe247daa21b11f0205af4fb1742850cedaadc0d9815e3fe99440e65170
SSDEEP

1536:/xGwBj6girRA51ezsqHqpiPNR780sB6mimlS8dJB:fBrv51dBa4Mfq5T

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	markersserif.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	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	markersserif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	markersserif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe

Modifies data under HKEY_USERS 25 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13	markersserif.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecision = "0"	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0114000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	markersserif.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	markersserif.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	markersserif.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecisionTime = a090ccb59c0adb01	markersserif.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecisionReason = "1"	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecisionTime = c02e8e639c0adb01	markersserif.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0114000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	markersserif.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadNetworkName = "Network 3"	markersserif.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	markersserif.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	markersserif.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	markersserif.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\a6-e4-df-aa-5b-13	markersserif.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDetectedUrl	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecisionTime = c02e8e639c0adb01	markersserif.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecision = "0"	markersserif.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	markersserif.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	markersserif.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecisionReason = "1"	markersserif.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecisionTime = a090ccb59c0adb01	markersserif.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2372	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe
1892	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe
2120	markersserif.exe
932	markersserif.exe
932	markersserif.exe
932	markersserif.exe
932	markersserif.exe
932	markersserif.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1892	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1892	2372	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe	31
PID 2372 wrote to memory of 1892	2372	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe	31
PID 2372 wrote to memory of 1892	2372	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe	31
PID 2372 wrote to memory of 1892	2372	eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe	31
PID 2120 wrote to memory of 932	2120	markersserif.exe	33
PID 2120 wrote to memory of 932	2120	markersserif.exe	33
PID 2120 wrote to memory of 932	2120	markersserif.exe	33
PID 2120 wrote to memory of 932	2120	markersserif.exe	33

C:\Users\Admin\AppData\Local\Temp\eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eb7b9880c5bca3e54858a9f328468ded_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:1892

C:\Windows\SysWOW64\markersserif.exe
"C:\Windows\SysWOW64\markersserif.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\markersserif.exe
  "C:\Windows\SysWOW64\markersserif.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:932

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/932-27-0x0000000000390000-0x000000000039D000-memory.dmp

Filesize
52KB

Download
memory/932-31-0x0000000000390000-0x000000000039D000-memory.dmp

Filesize
52KB

Download
memory/1892-29-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-30-0x00000000001E0000-0x00000000001ED000-memory.dmp

Filesize
52KB

Download
memory/1892-7-0x00000000001E0000-0x00000000001ED000-memory.dmp

Filesize
52KB

Download
memory/1892-8-0x00000000001F0000-0x00000000001FD000-memory.dmp

Filesize
52KB

Download
memory/1892-12-0x00000000001F0000-0x00000000001FD000-memory.dmp

Filesize
52KB

Download
memory/1892-13-0x0000000000200000-0x0000000000210000-memory.dmp

Filesize
64KB

Download
memory/2120-21-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download
memory/2120-15-0x0000000000390000-0x000000000039D000-memory.dmp

Filesize
52KB

Download
memory/2120-16-0x00000000003A0000-0x00000000003AD000-memory.dmp

Filesize
52KB

Download
memory/2120-20-0x00000000003A0000-0x00000000003AD000-memory.dmp

Filesize
52KB

Download
memory/2120-28-0x0000000000390000-0x000000000039D000-memory.dmp

Filesize
52KB

Download
memory/2372-4-0x0000000000260000-0x000000000026D000-memory.dmp

Filesize
52KB

Download
memory/2372-14-0x0000000000250000-0x000000000025D000-memory.dmp

Filesize
52KB

Download
memory/2372-5-0x0000000000250000-0x000000000025D000-memory.dmp

Filesize
52KB

Download
memory/2372-6-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/2372-0-0x0000000000260000-0x000000000026D000-memory.dmp

Filesize
52KB

Download

Analysis

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