emotet | 3772b05750ffa57e5454a6d115f5c30053195fefaef61a8dd699188b4fb7d1dd

General

Target

f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
Size

114KB
MD5

f065c641af868a5ecf18682218fc6905
SHA1

6cb99f7d6a14eff1ddf9bb216f33c9e6a147e3e3
SHA256

3772b05750ffa57e5454a6d115f5c30053195fefaef61a8dd699188b4fb7d1dd
SHA512

f20a3ab716ac29b7fda24391013d497ea568783680b0ec30e75acb77651f7040dee95d2ca7062710e34a5741388c1781b7eea877273360390b4397c441110759
SSDEEP

3072:FMB/At2MlFcATSuwl7lb83MUIBv/cfgg:OAtflFcATIl7lbQdC

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	bearssorting.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	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bearssorting.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bearssorting.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8D407D2-FAA8-4D7E-A2A0-2151E784D9F4}\ea-1d-e3-ea-d9-a4	bearssorting.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1d-e3-ea-d9-a4\WpadDecisionTime = c0e27d3d540cdb01	bearssorting.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	bearssorting.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	bearssorting.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	bearssorting.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8D407D2-FAA8-4D7E-A2A0-2151E784D9F4}	bearssorting.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8D407D2-FAA8-4D7E-A2A0-2151E784D9F4}\WpadDecisionReason = "1"	bearssorting.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8D407D2-FAA8-4D7E-A2A0-2151E784D9F4}\WpadNetworkName = "Network 3"	bearssorting.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	bearssorting.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8D407D2-FAA8-4D7E-A2A0-2151E784D9F4}\WpadDecisionTime = c0e27d3d540cdb01	bearssorting.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1d-e3-ea-d9-a4\WpadDecisionReason = "1"	bearssorting.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	bearssorting.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	bearssorting.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1d-e3-ea-d9-a4	bearssorting.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1d-e3-ea-d9-a4\WpadDecision = "0"	bearssorting.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	bearssorting.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	bearssorting.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	bearssorting.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	bearssorting.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	bearssorting.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8D407D2-FAA8-4D7E-A2A0-2151E784D9F4}\WpadDecision = "0"	bearssorting.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2896	bearssorting.exe
2896	bearssorting.exe
2896	bearssorting.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2004	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe

Suspicious use of UnmapMainImage 4 IoCs

pid	Process
2828	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
2004	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
2088	bearssorting.exe
2896	bearssorting.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2004	2828	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe	28
PID 2828 wrote to memory of 2004	2828	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe	28
PID 2828 wrote to memory of 2004	2828	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe	28
PID 2828 wrote to memory of 2004	2828	f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe	28
PID 2088 wrote to memory of 2896	2088	bearssorting.exe	30
PID 2088 wrote to memory of 2896	2088	bearssorting.exe	30
PID 2088 wrote to memory of 2896	2088	bearssorting.exe	30
PID 2088 wrote to memory of 2896	2088	bearssorting.exe	30

C:\Users\Admin\AppData\Local\Temp\f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\f065c641af868a5ecf18682218fc6905_JaffaCakes118.exe
  --e149fa99
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of UnmapMainImage
  PID:2004

C:\Windows\SysWOW64\bearssorting.exe
"C:\Windows\SysWOW64\bearssorting.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\bearssorting.exe
  --778e39d7
  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:2896

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/2004-5-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2004-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2004-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2004-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2088-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2828-0-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/2828-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-3-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/2896-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2896-14-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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