emotet | 454522f207d5d83a4fb9f1ae40968cf1715ccdf3f59646da4ce4eb05d5f16262

General

Target

f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe
Size

323KB
MD5

f6be1a31e603e1527d2348787ffebbeb
SHA1

93d380d22a7faabdde8d96c02280d462aa86df66
SHA256

454522f207d5d83a4fb9f1ae40968cf1715ccdf3f59646da4ce4eb05d5f16262
SHA512

25442f531b0ecaeef05d14f83480b4071d34133cf2961337abbef0aa91cc760a6a1cf22a75480769eae3af9a58c247f8db49dd4bef830ab11ccf97514fd2d670
SSDEEP

6144:evGO3yl828vcPv2yv8vrvvvLvvvLvvvrvvvLvvvrvjvrvTPnbH7fvTv1KUOOU0qy:a1y6K105

Score

10^/10

emotet epoch2 banker discovery trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

172.105.11.15:8080

91.121.116.137:443

80.79.23.144:443

138.201.140.110:8080

95.128.43.213:8080

190.228.72.244:53

185.94.252.13:443

37.157.194.134:443

45.79.188.67:8080

27.4.80.183:443

80.11.163.139:443

152.89.236.214:8080

62.75.187.192:8080

189.209.217.49:80

190.106.97.230:443

222.214.218.192:8080

63.142.253.122:8080

206.189.98.125:8080

181.31.213.158:8080

78.24.219.147:8080

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	190.228.72.244

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	prepmove.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	prepmove.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	prepmove.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	prepmove.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	prepmove.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	prepmove.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	prepmove.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	prepmove.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	prepmove.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe
1104	prepmove.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3332	f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4000	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4000	AUDIODG.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3332	4396	f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe	84
PID 4396 wrote to memory of 3332	4396	f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe	84
PID 4396 wrote to memory of 3332	4396	f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe	84
PID 1384 wrote to memory of 1104	1384	prepmove.exe	86
PID 1384 wrote to memory of 1104	1384	prepmove.exe	86
PID 1384 wrote to memory of 1104	1384	prepmove.exe	86

C:\Users\Admin\AppData\Local\Temp\f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\Temp\f6be1a31e603e1527d2348787ffebbeb_JaffaCakes118.exe
  --f564a2c8
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:3332

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4e4 0x4c0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4000

C:\Windows\SysWOW64\prepmove.exe
"C:\Windows\SysWOW64\prepmove.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\SysWOW64\prepmove.exe
  --7468b310
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:1104

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/1104-18-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1104-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1104-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1104-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1384-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1384-7-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3332-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3332-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3332-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3332-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4396-0-0x0000000002450000-0x0000000002465000-memory.dmp

Filesize
84KB

Download
memory/4396-4-0x0000000002450000-0x0000000002465000-memory.dmp

Filesize
84KB

Download
memory/4396-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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