emotet | f294fbbafd14536e870392e30a4285b4a65048ebfcf1858291cb3699dd4e1819

General

Target

e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe
Size

92KB
MD5

e1c20d60f17d219f6f7fd3e39bc1c396
SHA1

7bfd2e391c6e43385d96abb9147750baaef28033
SHA256

f294fbbafd14536e870392e30a4285b4a65048ebfcf1858291cb3699dd4e1819
SHA512

d82f84645af45f79c6091b5e2b85805a6a10008fe9aad1cfafe230587be26a913d02c937b232bcd2540df1ad741babdc15ad547d85b96c8855369e18eec666f9
SSDEEP

1536:G93cDBQCpF5iLQh+l9rzER0LkQd0eoLzxcibkhkhXmH8Wnu82zmMFGh3M3cxaGqm:G9QQy5izNq0rQzxcibQkmcWSzXGhGway

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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	sernis.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	sernis.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	sernis.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	sernis.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	sernis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sernis.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sernis.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sernis.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sernis.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe
3760	sernis.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
652	e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 652	2904	e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe	92
PID 2904 wrote to memory of 652	2904	e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe	92
PID 2904 wrote to memory of 652	2904	e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe	92
PID 4360 wrote to memory of 3760	4360	sernis.exe	100
PID 4360 wrote to memory of 3760	4360	sernis.exe	100
PID 4360 wrote to memory of 3760	4360	sernis.exe	100

C:\Users\Admin\AppData\Local\Temp\e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\e1c20d60f17d219f6f7fd3e39bc1c396_JaffaCakes118.exe
  --7e9a63b9
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:652

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=928 /prefetch:8
1⤵
PID:2060

C:\Windows\SysWOW64\sernis.exe
"C:\Windows\SysWOW64\sernis.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\SysWOW64\sernis.exe
  --c0ccd48a
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3760

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/652-14-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/652-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/652-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2904-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2904-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2904-4-0x0000000002020000-0x0000000002031000-memory.dmp

Filesize
68KB

Download
memory/2904-0-0x0000000002020000-0x0000000002031000-memory.dmp

Filesize
68KB

Download
memory/3760-15-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3760-16-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3760-17-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3760-19-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4360-9-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4360-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

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