emotet | 939c575e17fcf1afbe2889a4ddb44f095ff3a07cdf9f5dd3d5c7f49e93da68c0

Resubmissions

13-09-2021 08:56

210913-kv19lsddc3 10

05-09-2021 05:09

210905-ftam2sega5 10

Analysis

max time kernel
143s
max time network
151s
platform
windows7_x64
resource
win7-en
submitted
05-09-2021 05:09

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General

Target

b6fff8ea_nXCUKuNdDu.exe
Size

427KB
MD5

b6fff8ead8a2a1e464bb042ed1eb3f79
SHA1

200a1243d3e54d64017fdc5b066ce673b949d9bf
SHA256

939c575e17fcf1afbe2889a4ddb44f095ff3a07cdf9f5dd3d5c7f49e93da68c0
SHA512

0a67bc94cdf3bfaf242c90ee8c66c9b93e781a6528b0183e3343da391d2dcdac7785de7806b33023565e3935d1f4dbdc99e3c0d958adfbdec93db0cef09bc406

Score

10^/10

emotet epoch1 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

91.105.94.200:80

51.38.124.206:80

38.88.126.202:8080

54.37.42.48:8080

189.2.177.210:443

181.30.61.163:443

185.178.10.77:80

199.203.62.165:80

177.73.0.98:443

87.106.46.107:8080

5.196.35.138:7080

5.189.178.202:8080

185.183.16.47:80

78.249.119.122:80

191.182.6.118:80

96.227.52.8:443

186.103.141.250:443

50.28.51.143:8080

111.67.12.221:8080

50.121.220.50:80

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.

Processes:

resource	yara_rule
behavioral1/memory/1648-53-0x0000000000300000-0x0000000000312000-memory.dmp	emotet
behavioral1/memory/1648-56-0x00000000002B0000-0x00000000002C0000-memory.dmp	emotet
behavioral1/memory/1648-59-0x00000000002F0000-0x00000000002FF000-memory.dmp	emotet
behavioral1/memory/1140-65-0x0000000000250000-0x0000000000260000-memory.dmp	emotet
behavioral1/memory/1140-62-0x0000000000230000-0x0000000000242000-memory.dmp	emotet

Executes dropped EXE 1 IoCs

Processes:

EhStorPwdMgr.exe

pid process

1140 EhStorPwdMgr.exe
Drops file in System32 directory 1 IoCs

Processes:

b6fff8ea_nXCUKuNdDu.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\drt\EhStorPwdMgr.exe b6fff8ea_nXCUKuNdDu.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

EhStorPwdMgr.exe

pid process

1140 EhStorPwdMgr.exe
1140 EhStorPwdMgr.exe
1140 EhStorPwdMgr.exe
1140 EhStorPwdMgr.exe
1140 EhStorPwdMgr.exe
1140 EhStorPwdMgr.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

b6fff8ea_nXCUKuNdDu.exe

pid process

1648 b6fff8ea_nXCUKuNdDu.exe

pid	process
1140	EhStorPwdMgr.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\drt\EhStorPwdMgr.exe	b6fff8ea_nXCUKuNdDu.exe

pid	process
1140	EhStorPwdMgr.exe
1140	EhStorPwdMgr.exe
1140	EhStorPwdMgr.exe
1140	EhStorPwdMgr.exe
1140	EhStorPwdMgr.exe
1140	EhStorPwdMgr.exe

pid	process
1648	b6fff8ea_nXCUKuNdDu.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b6fff8ea_nXCUKuNdDu.exe

description	pid	process	target process
PID 1648 wrote to memory of 1140	1648	b6fff8ea_nXCUKuNdDu.exe	EhStorPwdMgr.exe
PID 1648 wrote to memory of 1140	1648	b6fff8ea_nXCUKuNdDu.exe	EhStorPwdMgr.exe
PID 1648 wrote to memory of 1140	1648	b6fff8ea_nXCUKuNdDu.exe	EhStorPwdMgr.exe
PID 1648 wrote to memory of 1140	1648	b6fff8ea_nXCUKuNdDu.exe	EhStorPwdMgr.exe

C:\Users\Admin\AppData\Local\Temp\b6fff8ea_nXCUKuNdDu.exe
"C:\Users\Admin\AppData\Local\Temp\b6fff8ea_nXCUKuNdDu.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\drt\EhStorPwdMgr.exe
"C:\Windows\SysWOW64\drt\EhStorPwdMgr.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\drt\EhStorPwdMgr.exe
MD5
b6fff8ead8a2a1e464bb042ed1eb3f79

SHA1
200a1243d3e54d64017fdc5b066ce673b949d9bf

SHA256
939c575e17fcf1afbe2889a4ddb44f095ff3a07cdf9f5dd3d5c7f49e93da68c0

SHA512
0a67bc94cdf3bfaf242c90ee8c66c9b93e781a6528b0183e3343da391d2dcdac7785de7806b33023565e3935d1f4dbdc99e3c0d958adfbdec93db0cef09bc406

Download Submit
memory/1140-60-0x0000000000000000-mapping.dmp

Download
memory/1140-65-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/1140-62-0x0000000000230000-0x0000000000242000-memory.dmp

Filesize
72KB

Download
memory/1648-53-0x0000000000300000-0x0000000000312000-memory.dmp

Filesize
72KB

Download
memory/1648-56-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download
memory/1648-58-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1648-59-0x00000000002F0000-0x00000000002FF000-memory.dmp

Filesize
60KB

Download