emotet | f4b682ac2c9f0758eca054329d63e2e6479dc8e69dd9791f364918dd03cb8013

Analysis

max time kernel
137s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:49

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General

Target

81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe
Size

212KB
MD5

81db5e39519d2da9652486206127c3ed
SHA1

d948185e5b2f66862cb2a320ea52384677383936
SHA256

f4b682ac2c9f0758eca054329d63e2e6479dc8e69dd9791f364918dd03cb8013
SHA512

c48aa8054fb99bb6ea9f43bfa82c8b1fe0570b620f5dd5307cf1dc750c642dd5b9c0bc30a34d1c11ce2001391077fcf3c6e2af0ddf5c8d3e5066de6377d0dfd9
SSDEEP

3072:oKdoleKfKf1S7KI9wzET3ksCcq8z9ltq/SGhJisRT8lusvwdoym:oKdlKfKs7KI9wolCcVXGms+FvY

Score

10^/10

emotet epoch2 banker discovery trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

38.18.235.242:80

5.196.108.189:8080

121.124.124.40:7080

104.236.246.93:8080

113.61.66.94:80

120.150.60.189:80

91.211.88.52:7080

47.144.21.12:443

108.46.29.236:80

139.162.108.71:8080

134.209.36.254:8080

139.59.60.244:8080

66.65.136.14:80

76.175.162.101:80

174.106.122.139:80

95.213.236.64:8080

174.45.13.118:80

50.35.17.13:80

209.141.54.221:8080

87.106.139.101:8080

rsa_pubkey.plain

Signatures

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

Emotet payload 5 IoCs

Detects Emotet payload in memory.

trojan banker

resource	yara_rule
behavioral2/memory/1764-0-0x00000000008B0000-0x00000000008C2000-memory.dmp	emotet
behavioral2/memory/1764-4-0x00000000008D0000-0x00000000008E0000-memory.dmp	emotet
behavioral2/memory/1764-7-0x00000000008A0000-0x00000000008AF000-memory.dmp	emotet
behavioral2/memory/1640-14-0x0000000000710000-0x0000000000720000-memory.dmp	emotet
behavioral2/memory/1640-10-0x00000000005E0000-0x00000000005F2000-memory.dmp	emotet

Executes dropped EXE 1 IoCs

pid	Process
1640	jsproxy.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Chakra\jsproxy.exe	81db5e39519d2da9652486206127c3ed_JaffaCakes118.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 2 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	81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsproxy.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe
1640	jsproxy.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1764	81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1640	1764	81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe	85
PID 1764 wrote to memory of 1640	1764	81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe	85
PID 1764 wrote to memory of 1640	1764	81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81db5e39519d2da9652486206127c3ed_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SysWOW64\Chakra\jsproxy.exe
  "C:\Windows\SysWOW64\Chakra\jsproxy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Chakra\jsproxy.exe

Filesize
212KB

MD5
81db5e39519d2da9652486206127c3ed

SHA1
d948185e5b2f66862cb2a320ea52384677383936

SHA256
f4b682ac2c9f0758eca054329d63e2e6479dc8e69dd9791f364918dd03cb8013

SHA512
c48aa8054fb99bb6ea9f43bfa82c8b1fe0570b620f5dd5307cf1dc750c642dd5b9c0bc30a34d1c11ce2001391077fcf3c6e2af0ddf5c8d3e5066de6377d0dfd9

Download Submit
memory/1640-14-0x0000000000710000-0x0000000000720000-memory.dmp

Filesize
64KB

Download
memory/1640-10-0x00000000005E0000-0x00000000005F2000-memory.dmp

Filesize
72KB

Download
memory/1764-0-0x00000000008B0000-0x00000000008C2000-memory.dmp

Filesize
72KB

Download
memory/1764-4-0x00000000008D0000-0x00000000008E0000-memory.dmp

Filesize
64KB

Download
memory/1764-7-0x00000000008A0000-0x00000000008AF000-memory.dmp

Filesize
60KB

Download
memory/1764-9-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download