gozi_ifsb | 53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c

General

Target

53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe
Size

474KB
MD5

8c923cc9562628ba9c41748c2bb1c2d3
SHA1

d02a1b75c3a060b7be1371eca9a475b60e027353
SHA256

53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c
SHA512

e451c5784d17a944b4f41309e1c6be3c012b071e49da87c05b12eb2e416a62b6dd455ff159f516a7aa3a16ac0e1c202e1c87b7abd7533b69c0f7940f428ce677

Score

10^/10

gozi_ifsb 1010 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1010

C2

diuolirt.at

deopliazae.at

nifredao.com

filokiyurt.at

Attributes

exe_type
worker
server_id
12

rsa_pubkey.plain

serpent.plain

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
Executes dropped EXE 1 IoCs

Processes:

crypwcfg.exe

pid process

1956 crypwcfg.exe
Deletes itself 1 IoCs

Processes:

crypwcfg.exe

pid process

1956 crypwcfg.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1916 cmd.exe

pid	process
1956	crypwcfg.exe

pid	process
1956	crypwcfg.exe

pid	process
1916	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\clbcrole = "C:\\Users\\Admin\\AppData\\Roaming\\dmustcls\\crypwcfg.exe"	53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

crypwcfg.exesvchost.exe

description	pid	process	target process
PID 1956 set thread context of 948	1956	crypwcfg.exe	svchost.exe
PID 948 set thread context of 1428	948	svchost.exe	Explorer.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 2 IoCs

Processes:

crypwcfg.exeExplorer.EXE

pid process

1956 crypwcfg.exe
1428 Explorer.EXE
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

crypwcfg.exesvchost.exe

pid process

1956 crypwcfg.exe
948 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
1428 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
1428 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE

pid	process
1956	crypwcfg.exe
1428	Explorer.EXE

pid	process
1956	crypwcfg.exe
948	svchost.exe

pid	process
1428	Explorer.EXE
1428	Explorer.EXE

pid	process
1428	Explorer.EXE
1428	Explorer.EXE

pid	process
1428	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.execmd.execmd.execrypwcfg.exesvchost.exe

description	pid	process	target process
PID 308 wrote to memory of 1660	308	53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe	cmd.exe
PID 308 wrote to memory of 1660	308	53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe	cmd.exe
PID 308 wrote to memory of 1660	308	53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe	cmd.exe
PID 308 wrote to memory of 1660	308	53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe	cmd.exe
PID 1660 wrote to memory of 1916	1660	cmd.exe	cmd.exe
PID 1660 wrote to memory of 1916	1660	cmd.exe	cmd.exe
PID 1660 wrote to memory of 1916	1660	cmd.exe	cmd.exe
PID 1660 wrote to memory of 1916	1660	cmd.exe	cmd.exe
PID 1916 wrote to memory of 1956	1916	cmd.exe	crypwcfg.exe
PID 1916 wrote to memory of 1956	1916	cmd.exe	crypwcfg.exe
PID 1916 wrote to memory of 1956	1916	cmd.exe	crypwcfg.exe
PID 1916 wrote to memory of 1956	1916	cmd.exe	crypwcfg.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 1956 wrote to memory of 948	1956	crypwcfg.exe	svchost.exe
PID 948 wrote to memory of 1428	948	svchost.exe	Explorer.EXE
PID 948 wrote to memory of 1428	948	svchost.exe	Explorer.EXE
PID 948 wrote to memory of 1428	948	svchost.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1428

C:\Users\Admin\AppData\Local\Temp\53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe
"C:\Users\Admin\AppData\Local\Temp\53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\3546\1AA3.bat" "C:\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe" "C:\Users\Admin\AppData\Local\Temp\53F126~1.EXE""
3⤵
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\cmd.exe
cmd /C ""C:\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe" "C:\Users\Admin\AppData\Local\Temp\53F126~1.EXE""
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe
"C:\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe" "C:\Users\Admin\AppData\Local\Temp\53F126~1.EXE"
5⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
6⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3546\1AA3.bat
Filesize
108B

MD5
3b076346d990633d271d07bacdeaa8a8

SHA1
99521498d2424039d59b5f7366109d423feb68de

SHA256
ae0fc7cf855ddf3440307cfd0649b691a71050253e4b7c26c755084eb33bd32c

SHA512
64c965eae5627785926efc5ddcd888df564c8d413c0081982e0022ea55b4eceefcfe2e09046ad9e0239c9a25b5bebf3268a423c282d4f11c0351924806508037

Download Submit
C:\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe
Filesize
474KB

MD5
8c923cc9562628ba9c41748c2bb1c2d3

SHA1
d02a1b75c3a060b7be1371eca9a475b60e027353

SHA256
53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c

SHA512
e451c5784d17a944b4f41309e1c6be3c012b071e49da87c05b12eb2e416a62b6dd455ff159f516a7aa3a16ac0e1c202e1c87b7abd7533b69c0f7940f428ce677

Download Submit
C:\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe
Filesize
474KB

MD5
8c923cc9562628ba9c41748c2bb1c2d3

SHA1
d02a1b75c3a060b7be1371eca9a475b60e027353

SHA256
53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c

SHA512
e451c5784d17a944b4f41309e1c6be3c012b071e49da87c05b12eb2e416a62b6dd455ff159f516a7aa3a16ac0e1c202e1c87b7abd7533b69c0f7940f428ce677

Download Submit
\Users\Admin\AppData\Roaming\dmustcls\crypwcfg.exe
Filesize
474KB

MD5
8c923cc9562628ba9c41748c2bb1c2d3

SHA1
d02a1b75c3a060b7be1371eca9a475b60e027353

SHA256
53f1260b4d020c05bd212aa82638df2b5b55d3e608bbf1a019662dd3b299583c

SHA512
e451c5784d17a944b4f41309e1c6be3c012b071e49da87c05b12eb2e416a62b6dd455ff159f516a7aa3a16ac0e1c202e1c87b7abd7533b69c0f7940f428ce677

Download Submit
memory/308-55-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/308-57-0x00000000002C0000-0x00000000002F0000-memory.dmp

Filesize
192KB

Download
memory/308-54-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/948-69-0x0000000000000000-mapping.dmp

Download
memory/948-70-0x0000000000390000-0x0000000000405000-memory.dmp

Filesize
468KB

Download
memory/948-71-0x0000000000390000-0x0000000000405000-memory.dmp

Filesize
468KB

Download
memory/1428-72-0x0000000002A50000-0x0000000002AC5000-memory.dmp

Filesize
468KB

Download
memory/1428-73-0x0000000002A50000-0x0000000002AC5000-memory.dmp

Filesize
468KB

Download
memory/1660-58-0x0000000000000000-mapping.dmp

Download
memory/1916-60-0x0000000000000000-mapping.dmp

Download
memory/1956-63-0x0000000000000000-mapping.dmp

Download
memory/1956-66-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1956-68-0x0000000000230000-0x0000000000260000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads