emotet | 3fb189dc99f52402bb2cb1336b35afd2e221e607f60a7b3780528c6543409fea

General

Target

a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
Size

183KB
MD5

a0c73bb846506a8d8aad74c2cd0ce50e
SHA1

ffafddcf73f45da75d67f772ce24b93fb7e6e5b1
SHA256

3fb189dc99f52402bb2cb1336b35afd2e221e607f60a7b3780528c6543409fea
SHA512

e3680feacbd85982896570eab2bed24bf4bc6111f1d727bba7635a6b89f0b73277f7023246eaffc72f7ff8bc86def9dd1207e0f6bf313e744787d8db2be3bc1f
SSDEEP

3072:fLAjPvW7MmCSth5DZ03sOKIzY9l/1AXBNEcqgT2b6B:zO4MmRDy44Uih

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	bulkbit.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	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bulkbit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bulkbit.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4CC83AD8-A6CD-411B-A0ED-524E1E0F8321}\b2-2f-73-f8-ed-35	bulkbit.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-2f-73-f8-ed-35\WpadDecisionTime = 8063f89048f0da01	bulkbit.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	bulkbit.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	bulkbit.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	bulkbit.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	bulkbit.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	bulkbit.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4CC83AD8-A6CD-411B-A0ED-524E1E0F8321}\WpadDecisionReason = "1"	bulkbit.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	bulkbit.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	bulkbit.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	bulkbit.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4CC83AD8-A6CD-411B-A0ED-524E1E0F8321}	bulkbit.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4CC83AD8-A6CD-411B-A0ED-524E1E0F8321}\WpadDecisionTime = 8063f89048f0da01	bulkbit.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4CC83AD8-A6CD-411B-A0ED-524E1E0F8321}\WpadNetworkName = "Network 3"	bulkbit.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-2f-73-f8-ed-35\WpadDecision = "0"	bulkbit.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	bulkbit.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	bulkbit.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	bulkbit.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4CC83AD8-A6CD-411B-A0ED-524E1E0F8321}\WpadDecision = "0"	bulkbit.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-2f-73-f8-ed-35	bulkbit.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-2f-73-f8-ed-35\WpadDecisionReason = "1"	bulkbit.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2780	bulkbit.exe
2780	bulkbit.exe
2780	bulkbit.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2716	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe

Suspicious use of UnmapMainImage 4 IoCs

pid	Process
1944	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
2716	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
2740	bulkbit.exe
2780	bulkbit.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2716	1944	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe	29
PID 1944 wrote to memory of 2716	1944	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe	29
PID 1944 wrote to memory of 2716	1944	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe	29
PID 1944 wrote to memory of 2716	1944	a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe	29
PID 2740 wrote to memory of 2780	2740	bulkbit.exe	31
PID 2740 wrote to memory of 2780	2740	bulkbit.exe	31
PID 2740 wrote to memory of 2780	2740	bulkbit.exe	31
PID 2740 wrote to memory of 2780	2740	bulkbit.exe	31

C:\Users\Admin\AppData\Local\Temp\a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\a0c73bb846506a8d8aad74c2cd0ce50e_JaffaCakes118.exe
  --667964f9
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of UnmapMainImage
  PID:2716

C:\Windows\SysWOW64\bulkbit.exe
"C:\Windows\SysWOW64\bulkbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\bulkbit.exe
  --81e3f0d1
  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:2780

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/1944-0-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/1944-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-3-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2716-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2716-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2740-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2740-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2780-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2780-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2780-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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