emotet | f02574524485e84b6dfbb4f2c51ee6b9c8794c8bbe22798a554dad225526331c

General

Target

f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
Size

189KB
MD5

f5e2b30201e547f385144af57dde0cd1
SHA1

049bcc5114e65425823236cc23556b20f010b565
SHA256

f02574524485e84b6dfbb4f2c51ee6b9c8794c8bbe22798a554dad225526331c
SHA512

da5cdf5fe15f52657e04d7e5da24d49a98b79a7aaec9e0485b506f53b1ce4dc46173d0d87b81afe950089b067d1e89e40bbe1f16cff517ebeee69faf82fa14e3
SSDEEP

3072:xQXz9mJ52S893TWREnhZmRygU6zarsSnA0KW1dqYOJbVd:xkz9mJ8F4EhZehNSVj1dD4

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	initcosine.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	initcosine.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	initcosine.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	initcosine.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	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	initcosine.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	initcosine.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\Content\CachePrefix	initcosine.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	initcosine.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	initcosine.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3436	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
3436	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
1392	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
1392	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
3628	initcosine.exe
3628	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe
1112	initcosine.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1392	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 1392	3436	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe	82
PID 3436 wrote to memory of 1392	3436	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe	82
PID 3436 wrote to memory of 1392	3436	f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe	82
PID 3628 wrote to memory of 1112	3628	initcosine.exe	84
PID 3628 wrote to memory of 1112	3628	initcosine.exe	84
PID 3628 wrote to memory of 1112	3628	initcosine.exe	84

C:\Users\Admin\AppData\Local\Temp\f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f5e2b30201e547f385144af57dde0cd1_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:1392

C:\Windows\SysWOW64\initcosine.exe
"C:\Windows\SysWOW64\initcosine.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Windows\SysWOW64\initcosine.exe
  "C:\Windows\SysWOW64\initcosine.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:1112

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/1112-22-0x00000000001F0000-0x00000000001FD000-memory.dmp

Filesize
52KB

Download
memory/1112-32-0x00000000001F0000-0x00000000001FD000-memory.dmp

Filesize
52KB

Download
memory/1112-28-0x0000000001060000-0x0000000001070000-memory.dmp

Filesize
64KB

Download
memory/1112-27-0x00000000008D0000-0x00000000008DD000-memory.dmp

Filesize
52KB

Download
memory/1112-23-0x00000000008D0000-0x00000000008DD000-memory.dmp

Filesize
52KB

Download
memory/1392-12-0x0000000001550000-0x000000000155D000-memory.dmp

Filesize
52KB

Download
memory/1392-8-0x0000000001550000-0x000000000155D000-memory.dmp

Filesize
52KB

Download
memory/1392-13-0x0000000001560000-0x0000000001570000-memory.dmp

Filesize
64KB

Download
memory/1392-30-0x00000000006F0000-0x0000000000724000-memory.dmp

Filesize
208KB

Download
memory/1392-31-0x00000000013F0000-0x00000000013FD000-memory.dmp

Filesize
52KB

Download
memory/1392-7-0x00000000013F0000-0x00000000013FD000-memory.dmp

Filesize
52KB

Download
memory/3436-6-0x0000000001470000-0x0000000001480000-memory.dmp

Filesize
64KB

Download
memory/3436-14-0x0000000001430000-0x000000000143D000-memory.dmp

Filesize
52KB

Download
memory/3436-5-0x0000000001460000-0x000000000146D000-memory.dmp

Filesize
52KB

Download
memory/3436-0-0x0000000001430000-0x000000000143D000-memory.dmp

Filesize
52KB

Download
memory/3436-1-0x0000000001460000-0x000000000146D000-memory.dmp

Filesize
52KB

Download
memory/3628-15-0x0000000000FC0000-0x0000000000FCD000-memory.dmp

Filesize
52KB

Download
memory/3628-29-0x0000000000FC0000-0x0000000000FCD000-memory.dmp

Filesize
52KB

Download
memory/3628-21-0x0000000001780000-0x0000000001790000-memory.dmp

Filesize
64KB

Download
memory/3628-20-0x0000000001770000-0x000000000177D000-memory.dmp

Filesize
52KB

Download
memory/3628-16-0x0000000001770000-0x000000000177D000-memory.dmp

Filesize
52KB

Download

Analysis

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