gozi_ifsb | ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa

General

Target

ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe
Size

365KB
MD5

8f8fa2a30b7831c675f46d73797cb82d
SHA1

8ba2af9608ed6d56a415704bda042e30c8af79c0
SHA256

ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa
SHA512

9211d48db1035d568af288daf50fde2b56aec8e8945bbda28098cbc2175a6665895676a5c999039cce93302d26ac2b032720c71c35610c56086c01a84d1f6452

Score

10^/10

gozi_ifsb ursnif banker persistence spyware trojan

Malware Config

Extracted

Family

ursnif

Attributes

dga_base_url
dga_crc
0
dga_season
0
dga_tlds
dns_servers

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
Ursnif, Dreambot
Ursnif is a variant of the Gozi IFSB with more capabilities.
banker trojan ursnif
Executes dropped EXE 1 IoCs

Processes:

chtbider.exe

pid process

1140 chtbider.exe
Deletes itself 1 IoCs

Processes:

chtbider.exe

pid process

1140 chtbider.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1324 cmd.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1140	chtbider.exe

pid	process
1140	chtbider.exe

pid	process
1324	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\DHCPupnp = "C:\\Users\\Admin\\AppData\\Roaming\\drprssec\\chtbider.exe"	ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

chtbider.exesvchost.exe

description	pid	process	target process
PID 1140 set thread context of 1428	1140	chtbider.exe	svchost.exe
PID 1428 set thread context of 1232	1428	svchost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

chtbider.exeExplorer.EXE

pid process

1140 chtbider.exe
1232 Explorer.EXE
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

chtbider.exesvchost.exe

pid process

1140 chtbider.exe
1428 svchost.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE

pid	process
1140	chtbider.exe
1232	Explorer.EXE

pid	process
1140	chtbider.exe
1428	svchost.exe

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.execmd.execmd.exechtbider.exesvchost.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 308 wrote to memory of 1700	308	ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe	cmd.exe
PID 308 wrote to memory of 1700	308	ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe	cmd.exe
PID 308 wrote to memory of 1700	308	ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe	cmd.exe
PID 308 wrote to memory of 1700	308	ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe	cmd.exe
PID 1700 wrote to memory of 1324	1700	cmd.exe	cmd.exe
PID 1700 wrote to memory of 1324	1700	cmd.exe	cmd.exe
PID 1700 wrote to memory of 1324	1700	cmd.exe	cmd.exe
PID 1700 wrote to memory of 1324	1700	cmd.exe	cmd.exe
PID 1324 wrote to memory of 1140	1324	cmd.exe	chtbider.exe
PID 1324 wrote to memory of 1140	1324	cmd.exe	chtbider.exe
PID 1324 wrote to memory of 1140	1324	cmd.exe	chtbider.exe
PID 1324 wrote to memory of 1140	1324	cmd.exe	chtbider.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1140 wrote to memory of 1428	1140	chtbider.exe	svchost.exe
PID 1428 wrote to memory of 1232	1428	svchost.exe	Explorer.EXE
PID 1428 wrote to memory of 1232	1428	svchost.exe	Explorer.EXE
PID 1428 wrote to memory of 1232	1428	svchost.exe	Explorer.EXE
PID 1232 wrote to memory of 1156	1232	Explorer.EXE	cmd.exe
PID 1232 wrote to memory of 1156	1232	Explorer.EXE	cmd.exe
PID 1232 wrote to memory of 1156	1232	Explorer.EXE	cmd.exe
PID 1156 wrote to memory of 1508	1156	cmd.exe	nslookup.exe
PID 1156 wrote to memory of 1508	1156	cmd.exe	nslookup.exe
PID 1156 wrote to memory of 1508	1156	cmd.exe	nslookup.exe
PID 1232 wrote to memory of 1028	1232	Explorer.EXE	cmd.exe
PID 1232 wrote to memory of 1028	1232	Explorer.EXE	cmd.exe
PID 1232 wrote to memory of 1028	1232	Explorer.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.exe
  "C:\Users\Admin\AppData\Local\Temp\ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa.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\F1EE\1F1.bat" "C:\Users\Admin\AppData\Roaming\drprssec\chtbider.exe" "C:\Users\Admin\AppData\Local\Temp\EE1217~1.EXE""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\drprssec\chtbider.exe" "C:\Users\Admin\AppData\Local\Temp\EE1217~1.EXE""
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1324
    - - C:\Users\Admin\AppData\Roaming\drprssec\chtbider.exe
        
        "C:\Users\Admin\AppData\Roaming\drprssec\chtbider.exe" "C:\Users\Admin\AppData\Local\Temp\EE1217~1.EXE"
        5⤵
        Executes dropped EXE
        Deletes itself
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1140
      - C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1428
- C:\Windows\system32\cmd.exe
  cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\24E1.bi1"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Windows\system32\nslookup.exe
    nslookup myip.opendns.com resolver1.opendns.com
    3⤵
    PID:1508
- C:\Windows\system32\cmd.exe
  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\24E1.bi1"
  2⤵
  PID:1028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\24E1.bi1

MD5
67a173408db29be821b9fe2421000340

SHA1
71faba974dc8fbbb67fa955142c30fbe0cd149a4

SHA256
b087d5699a034d5a48b918a3aec8b8d8551569332f1f109d5c92177fcceaada8

SHA512
e969d9e43819fdf55ed7588a7df6e2e0a1d8c9ea91444975f5fefaa77155fb7728a94f0ab1bb4a1897e699201c2b1128ae9065c06e1cd57246dd3ae3c7c71671

Download Submit
C:\Users\Admin\AppData\Local\Temp\24E1.bi1

MD5
67a173408db29be821b9fe2421000340

SHA1
71faba974dc8fbbb67fa955142c30fbe0cd149a4

SHA256
b087d5699a034d5a48b918a3aec8b8d8551569332f1f109d5c92177fcceaada8

SHA512
e969d9e43819fdf55ed7588a7df6e2e0a1d8c9ea91444975f5fefaa77155fb7728a94f0ab1bb4a1897e699201c2b1128ae9065c06e1cd57246dd3ae3c7c71671

Download Submit
C:\Users\Admin\AppData\Local\Temp\F1EE\1F1.bat

MD5
4a3c77f018ba7eb6089d14f9257edad9

SHA1
d1f419a59c25ca564e63254911995c7401148d35

SHA256
e358021f024c6a71a39f45b5ca81b0c01722c7ffc5231121d1a45e27181dbd73

SHA512
4faa2884b28ad3b1c977f7bba53fc957b1afbdfd043eaa01a4841bbd62750a3df08c2fd069f25fbd8eb127a60e4e56a50e6aaef799472fb3fd3c888f25a93a20

Download Submit
C:\Users\Admin\AppData\Roaming\drprssec\chtbider.exe

MD5
8f8fa2a30b7831c675f46d73797cb82d

SHA1
8ba2af9608ed6d56a415704bda042e30c8af79c0

SHA256
ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa

SHA512
9211d48db1035d568af288daf50fde2b56aec8e8945bbda28098cbc2175a6665895676a5c999039cce93302d26ac2b032720c71c35610c56086c01a84d1f6452

Download Submit
C:\Users\Admin\AppData\Roaming\drprssec\chtbider.exe

MD5
8f8fa2a30b7831c675f46d73797cb82d

SHA1
8ba2af9608ed6d56a415704bda042e30c8af79c0

SHA256
ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa

SHA512
9211d48db1035d568af288daf50fde2b56aec8e8945bbda28098cbc2175a6665895676a5c999039cce93302d26ac2b032720c71c35610c56086c01a84d1f6452

Download Submit
\Users\Admin\AppData\Roaming\drprssec\chtbider.exe

MD5
8f8fa2a30b7831c675f46d73797cb82d

SHA1
8ba2af9608ed6d56a415704bda042e30c8af79c0

SHA256
ee12174421fe88e3d229a3ceeb79d46695c837cbe6b395ff60bbfed3944fc4fa

SHA512
9211d48db1035d568af288daf50fde2b56aec8e8945bbda28098cbc2175a6665895676a5c999039cce93302d26ac2b032720c71c35610c56086c01a84d1f6452

Download Submit
memory/1028-15-0x0000000000000000-mapping.dmp

Download
memory/1140-8-0x00000000025B0000-0x000000000263F000-memory.dmp

Filesize
572KB

Download
memory/1140-5-0x0000000000000000-mapping.dmp

Download
memory/1156-13-0x0000000000000000-mapping.dmp

Download
memory/1324-2-0x0000000000000000-mapping.dmp

Download
memory/1428-9-0x000007FFFFFDE000-mapping.dmp

Download
memory/1428-10-0x0000000000130000-0x0000000000165000-memory.dmp

Filesize
212KB

Download
memory/1428-11-0x0000000000250000-0x00000000002DF000-memory.dmp

Filesize
572KB

Download
memory/1428-7-0x0000000000000000-mapping.dmp

Download
memory/1508-14-0x0000000000000000-mapping.dmp

Download
memory/1628-12-0x000007FEF7040000-0x000007FEF72BA000-memory.dmp

Filesize
2.5MB

Download
memory/1700-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads