emotet | 0766b08a037506e308e53f338f50dd181262b849cfcc7561aa1c412814852a8f

General

Target

e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe
Size

740KB
MD5

e91f2a450e3b3ed567ba00e083ee39f4
SHA1

c134e77bd266a63302f947511dbb626238b9785f
SHA256

0766b08a037506e308e53f338f50dd181262b849cfcc7561aa1c412814852a8f
SHA512

804b1206cf6ae669a105ff3c141dfa8f95eae1e1f506114f4c9ba36273e84cf9022ab3689e71b28d5462eda0ef41368c8e513dfad0be08fe83bd4fef42c96a2a
SSDEEP

6144:yRRGn2jZ7yH9n+TpacP8iBahODMedVgx71L7qMLHEesVFjHpGGtlV9slgZt48jQu:C+tOacfBKOjdVc1PeHB58Zt6qmyt

Score

10^/10

emotet epoch1 banker discovery trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

94.67.21.187:8080

181.231.62.54:80

170.130.31.177:8080

51.255.165.160:8080

45.56.79.249:443

200.113.106.18:80

41.75.135.93:7080

87.106.77.40:7080

79.143.182.254:8080

60.52.64.122:80

45.79.95.107:443

51.15.8.192:8080

94.183.71.206:7080

159.203.204.126:8080

62.75.160.178:8080

42.190.4.92:443

149.62.173.247:8080

79.127.57.43:80

91.205.215.57:7080

46.28.111.142:7080

rsa_pubkey.plain

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\INetCache\Content.IE5	markupdir.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	markupdir.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	markupdir.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	markupdir.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	e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	markupdir.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	markupdir.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:"	markupdir.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	markupdir.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	markupdir.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe
264	markupdir.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3708	e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 3708	3360	e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe	82
PID 3360 wrote to memory of 3708	3360	e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe	82
PID 3360 wrote to memory of 3708	3360	e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe	82
PID 1836 wrote to memory of 264	1836	markupdir.exe	89
PID 1836 wrote to memory of 264	1836	markupdir.exe	89
PID 1836 wrote to memory of 264	1836	markupdir.exe	89

C:\Users\Admin\AppData\Local\Temp\e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Users\Admin\AppData\Local\Temp\e91f2a450e3b3ed567ba00e083ee39f4_JaffaCakes118.exe
  --1e376906
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:3708

C:\Windows\SysWOW64\markupdir.exe
"C:\Windows\SysWOW64\markupdir.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\markupdir.exe
  --5b8e42fb
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:264

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

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\3539ea59822c23255fc9ddff10be3e7d_6f95b8b4-c02b-43c9-8cd4-016780936b63

Filesize
50B

MD5
a991e08d046df61b120aa3b13fcdc58a

SHA1
dc72da2813c32f5d43d744edf1d6bf80e3fd771f

SHA256
2706ebfedffb0c3e5df585cae6d224d5b2e519eac992db5de31bcfb2779caefb

SHA512
62815596aca3ddca7b0839913b20462da8f5ab64877203929839956f4a908c932935622be528cecfdacf4b409b17eb003d641d2bed3f30e86a3d47d5110c9209

Download Submit
memory/264-21-0x0000000000760000-0x0000000000777000-memory.dmp

Filesize
92KB

Download
memory/264-26-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1836-13-0x00000000012A0000-0x00000000012B7000-memory.dmp

Filesize
92KB

Download
memory/1836-18-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3360-0-0x00000000001E0000-0x00000000001F7000-memory.dmp

Filesize
92KB

Download
memory/3360-5-0x00000000001C0000-0x00000000001D1000-memory.dmp

Filesize
68KB

Download
memory/3360-6-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3708-7-0x00000000012D0000-0x00000000012E7000-memory.dmp

Filesize
92KB

Download
memory/3708-19-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

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