gozi_ifsb | 1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1

General

Target

1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe
Size

273KB
MD5

1cd64557583a7131ff7ba4645b5cabde
SHA1

60953f75f0ce09ddbe7e3b8b93120e5def98541b
SHA256

1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1
SHA512

49e8d53adbf42a982aaed759607f609ebf9aec9f8874a5973f58d4b9e2f3594534c7e661ee2dfb01147052b64c3f4032f8720dab477f3455a6488ef6fea3f75f

Score

10^/10

gozi_ifsb ursnif banker persistence spyware trojan upx

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:

Appxuthz.exe

pid process

1600 Appxuthz.exe

pid	process
1600	Appxuthz.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe	upx
C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe	upx

Deletes itself 1 IoCs

Processes:

Appxuthz.exe

pid process

1600 Appxuthz.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
1600	Appxuthz.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\cdpt140 = "C:\\Users\\Admin\\AppData\\Roaming\\Camefg32\\Appxuthz.exe"	1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Appxuthz.exesvchost.exeExplorer.EXE

description	pid	process	target process
PID 1600 set thread context of 4020	1600	Appxuthz.exe	svchost.exe
PID 4020 set thread context of 2604	4020	svchost.exe	Explorer.EXE
PID 2604 set thread context of 3556	2604	Explorer.EXE	RuntimeBroker.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Appxuthz.exeExplorer.EXE

pid process

1600 Appxuthz.exe
1600 Appxuthz.exe
2604 Explorer.EXE
2604 Explorer.EXE
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

Appxuthz.exesvchost.exeExplorer.EXE

pid process

1600 Appxuthz.exe
4020 svchost.exe
2604 Explorer.EXE

pid	process
1600	Appxuthz.exe
1600	Appxuthz.exe
2604	Explorer.EXE
2604	Explorer.EXE

pid	process
1600	Appxuthz.exe
4020	svchost.exe
2604	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	2604	Explorer.EXE
Token: SeCreatePagefilePrivilege	2604	Explorer.EXE
Token: SeShutdownPrivilege	2604	Explorer.EXE
Token: SeCreatePagefilePrivilege	2604	Explorer.EXE
Token: SeShutdownPrivilege	2604	Explorer.EXE
Token: SeCreatePagefilePrivilege	2604	Explorer.EXE
Token: SeShutdownPrivilege	2604	Explorer.EXE
Token: SeCreatePagefilePrivilege	2604	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

2604 Explorer.EXE

pid	process
2604	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.execmd.execmd.exeAppxuthz.exesvchost.exeExplorer.EXE

description	pid	process	target process
PID 1020 wrote to memory of 496	1020	1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe	cmd.exe
PID 1020 wrote to memory of 496	1020	1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe	cmd.exe
PID 1020 wrote to memory of 496	1020	1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe	cmd.exe
PID 496 wrote to memory of 3224	496	cmd.exe	cmd.exe
PID 496 wrote to memory of 3224	496	cmd.exe	cmd.exe
PID 496 wrote to memory of 3224	496	cmd.exe	cmd.exe
PID 3224 wrote to memory of 1600	3224	cmd.exe	Appxuthz.exe
PID 3224 wrote to memory of 1600	3224	cmd.exe	Appxuthz.exe
PID 3224 wrote to memory of 1600	3224	cmd.exe	Appxuthz.exe
PID 1600 wrote to memory of 4020	1600	Appxuthz.exe	svchost.exe
PID 1600 wrote to memory of 4020	1600	Appxuthz.exe	svchost.exe
PID 1600 wrote to memory of 4020	1600	Appxuthz.exe	svchost.exe
PID 1600 wrote to memory of 4020	1600	Appxuthz.exe	svchost.exe
PID 1600 wrote to memory of 4020	1600	Appxuthz.exe	svchost.exe
PID 4020 wrote to memory of 2604	4020	svchost.exe	Explorer.EXE
PID 4020 wrote to memory of 2604	4020	svchost.exe	Explorer.EXE
PID 4020 wrote to memory of 2604	4020	svchost.exe	Explorer.EXE
PID 2604 wrote to memory of 3556	2604	Explorer.EXE	RuntimeBroker.exe
PID 2604 wrote to memory of 3556	2604	Explorer.EXE	RuntimeBroker.exe
PID 2604 wrote to memory of 3556	2604	Explorer.EXE	RuntimeBroker.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe
  "C:\Users\Admin\AppData\Local\Temp\1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C782\63C1.bat" "C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe" "C:\Users\Admin\AppData\Local\Temp\1C7E6E~1.EXE""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:496
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe" "C:\Users\Admin\AppData\Local\Temp\1C7E6E~1.EXE""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3224
    - - C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe
        
        "C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe" "C:\Users\Admin\AppData\Local\Temp\1C7E6E~1.EXE"
        5⤵
        Executes dropped EXE
        Deletes itself
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1600
      - C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:4020

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3556

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\C782\63C1.bat

MD5
567d3ec6d8d5255d6aec2fce6c2c81ab

SHA1
e5c8b0a593de706ce05cdfacd25c5a660c7406dd

SHA256
5f78fb61a011f82da40de82d4ab8427d527ebc7a9a1f6a6468daacd87234a263

SHA512
b05e3cfa2d14cde361185b61c384a502f432371e083b76eb45c996d727cbea80f824f8cf18af0506cce2287a6b308392d9097481ddc129a1af07134659e2818e

Download Submit
C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe

MD5
1cd64557583a7131ff7ba4645b5cabde

SHA1
60953f75f0ce09ddbe7e3b8b93120e5def98541b

SHA256
1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1

SHA512
49e8d53adbf42a982aaed759607f609ebf9aec9f8874a5973f58d4b9e2f3594534c7e661ee2dfb01147052b64c3f4032f8720dab477f3455a6488ef6fea3f75f

Download Submit
C:\Users\Admin\AppData\Roaming\Camefg32\Appxuthz.exe

MD5
1cd64557583a7131ff7ba4645b5cabde

SHA1
60953f75f0ce09ddbe7e3b8b93120e5def98541b

SHA256
1c7e6efa98f896453080926d8a06a0f34dc89efc5e284cc6d827514e357064a1

SHA512
49e8d53adbf42a982aaed759607f609ebf9aec9f8874a5973f58d4b9e2f3594534c7e661ee2dfb01147052b64c3f4032f8720dab477f3455a6488ef6fea3f75f

Download Submit
memory/496-0-0x0000000000000000-mapping.dmp

Download
memory/1600-3-0x0000000000000000-mapping.dmp

Download
memory/1600-7-0x0000000002270000-0x0000000002306000-memory.dmp

Filesize
600KB

Download
memory/2604-10-0x00000000056B0000-0x0000000005746000-memory.dmp

Filesize
600KB

Download
memory/3224-2-0x0000000000000000-mapping.dmp

Download
memory/4020-6-0x0000000000000000-mapping.dmp

Download
memory/4020-8-0x000000E194D11000-mapping.dmp

Download
memory/4020-9-0x0000027A86D50000-0x0000027A86DE6000-memory.dmp

Filesize
600KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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