gozi_ifsb | 026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44

Analysis

max time kernel
599s
max time network
500s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2022 23:52

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General

Target

026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe
Size

302KB
MD5

f870c0d62691fc39194922e4a59fdc1c
SHA1

69369a1aa35592ca4eede5179060f2c58e9bae6e
SHA256

026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44
SHA512

92a452a2f63e9e214f98d14fcee1dd8f8c55b94ce90ed541986af08117f09779e159f76ae043ab6be4c49d254e4846448b632e0f33fcafb0be362a90a1a934ae
SSDEEP

6144:qTBSsdUvHN91B8LdCCoVupEo5KdEBaxRxnxXOWFi2HAwsih5:oUJvHNnBGdpOupzEdEByxW2g

Score

10^/10

gozi_ifsb 1010 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1010

sys.cwthecw.com/bcms/assets/img

sys.whyblacklivesmatter.org/bcms/assets/img

sys.mohitsagarmusic.com/bcms/assets/img

lansystemstat.com/bcms/assets/img

highnetwork.pw/bcms/assets/img

lostnetwork.in/bcms/assets/img

sysconnections.net/bcms/assets/img

lansupports.com/bcms/assets/img

Attributes

exe_type
worker
server_id
35

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 2 IoCs

pid	Process
1984	Authbk32.exe
4264	Authbk32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bitssvcs = "C:\\Users\\Admin\\AppData\\Roaming\\AppVider\\Authbk32.exe"	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 1380 set thread context of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1984 set thread context of 4264	1984	Authbk32.exe	97
PID 4264 set thread context of 4304	4264	Authbk32.exe	98
PID 4304 set thread context of 3004	4304	svchost.exe	56
PID 3004 set thread context of 3360	3004	Explorer.EXE	29
PID 3004 set thread context of 3692	3004	Explorer.EXE	52
PID 3004 set thread context of 4960	3004	Explorer.EXE	49

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 4 IoCs

pid	Process
4264	Authbk32.exe
4264	Authbk32.exe
3004	Explorer.EXE
3004	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3004	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4264	Authbk32.exe
4304	svchost.exe
3004	Explorer.EXE
3004	Explorer.EXE
3004	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3004	Explorer.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 4984	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	91
PID 1380 wrote to memory of 4984	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	91
PID 1380 wrote to memory of 4984	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	91
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1380 wrote to memory of 1780	1380	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	92
PID 1780 wrote to memory of 372	1780	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	93
PID 1780 wrote to memory of 372	1780	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	93
PID 1780 wrote to memory of 372	1780	026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe	93
PID 372 wrote to memory of 2556	372	cmd.exe	95
PID 372 wrote to memory of 2556	372	cmd.exe	95
PID 372 wrote to memory of 2556	372	cmd.exe	95
PID 2556 wrote to memory of 1984	2556	cmd.exe	96
PID 2556 wrote to memory of 1984	2556	cmd.exe	96
PID 2556 wrote to memory of 1984	2556	cmd.exe	96
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 1984 wrote to memory of 4264	1984	Authbk32.exe	97
PID 4264 wrote to memory of 4304	4264	Authbk32.exe	98
PID 4264 wrote to memory of 4304	4264	Authbk32.exe	98
PID 4264 wrote to memory of 4304	4264	Authbk32.exe	98
PID 4264 wrote to memory of 4304	4264	Authbk32.exe	98
PID 4264 wrote to memory of 4304	4264	Authbk32.exe	98
PID 4304 wrote to memory of 3004	4304	svchost.exe	56
PID 4304 wrote to memory of 3004	4304	svchost.exe	56
PID 4304 wrote to memory of 3004	4304	svchost.exe	56
PID 3004 wrote to memory of 3360	3004	Explorer.EXE	29
PID 3004 wrote to memory of 3360	3004	Explorer.EXE	29
PID 3004 wrote to memory of 3360	3004	Explorer.EXE	29
PID 3004 wrote to memory of 3692	3004	Explorer.EXE	52
PID 3004 wrote to memory of 3692	3004	Explorer.EXE	52
PID 3004 wrote to memory of 3692	3004	Explorer.EXE	52
PID 3004 wrote to memory of 4960	3004	Explorer.EXE	49
PID 3004 wrote to memory of 4960	3004	Explorer.EXE	49
PID 3004 wrote to memory of 4960	3004	Explorer.EXE	49

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3360

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4960

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3692

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe
  "C:\Users\Admin\AppData\Local\Temp\026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1380
- - C:\Users\Admin\AppData\Local\Temp\026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe
    "C:\Users\Admin\AppData\Local\Temp\026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe"
    3⤵
    PID:4984
- - C:\Users\Admin\AppData\Local\Temp\026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe
    "C:\Users\Admin\AppData\Local\Temp\026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44.exe"
    3⤵
    - Checks computer location settings
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1780
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1750\D08E.bat" "C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe" "C:\Users\Admin\AppData\Local\Temp\026FD6~1.EXE""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:372
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /C ""C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe" "C:\Users\Admin\AppData\Local\Temp\026FD6~1.EXE""
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2556
      - C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe
        
        "C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe" "C:\Users\Admin\AppData\Local\Temp\026FD6~1.EXE"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1984
        
        C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe
        
        "C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe"
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:4264
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:4304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1750\D08E.bat

Filesize
112B

MD5
f56711036239d9672e0dcf1f522eed58

SHA1
02fe9fd812c9eaf95201fd5102c6261c5c2fa990

SHA256
adb76a26873753c74894801754a5f509cbca0fecd170cc018b6b4f0a330790f0

SHA512
67bfcafa6c2e9b4d6c0cb52b2639b390ec1a06eda0d70037edd8e0aefc60cd3f3629b3bdaba1ce4b246b8dc4115c04c3320b652ebb203b405d3e135ca8272309

Download Submit
C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe

Filesize
302KB

MD5
f870c0d62691fc39194922e4a59fdc1c

SHA1
69369a1aa35592ca4eede5179060f2c58e9bae6e

SHA256
026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44

SHA512
92a452a2f63e9e214f98d14fcee1dd8f8c55b94ce90ed541986af08117f09779e159f76ae043ab6be4c49d254e4846448b632e0f33fcafb0be362a90a1a934ae

Download Submit
C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe

Filesize
302KB

MD5
f870c0d62691fc39194922e4a59fdc1c

SHA1
69369a1aa35592ca4eede5179060f2c58e9bae6e

SHA256
026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44

SHA512
92a452a2f63e9e214f98d14fcee1dd8f8c55b94ce90ed541986af08117f09779e159f76ae043ab6be4c49d254e4846448b632e0f33fcafb0be362a90a1a934ae

Download Submit
C:\Users\Admin\AppData\Roaming\AppVider\Authbk32.exe

Filesize
302KB

MD5
f870c0d62691fc39194922e4a59fdc1c

SHA1
69369a1aa35592ca4eede5179060f2c58e9bae6e

SHA256
026fd6ab8b5f12d1ae0795f7ad79b05a7ca1dc83e996cb7ee37f1b417d66de44

SHA512
92a452a2f63e9e214f98d14fcee1dd8f8c55b94ce90ed541986af08117f09779e159f76ae043ab6be4c49d254e4846448b632e0f33fcafb0be362a90a1a934ae

Download Submit
memory/1780-136-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1780-138-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1780-140-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1780-137-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1780-134-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3004-184-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-174-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/3004-199-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-198-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-197-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-196-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-195-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-194-0x00000000021E0000-0x00000000021F0000-memory.dmp

Filesize
64KB

Download
memory/3004-193-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-158-0x0000000002850000-0x00000000028DA000-memory.dmp

Filesize
552KB

Download
memory/3004-192-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-191-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-161-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-162-0x00000000021E0000-0x00000000021F0000-memory.dmp

Filesize
64KB

Download
memory/3004-163-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-164-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-165-0x00000000021E0000-0x00000000021F0000-memory.dmp

Filesize
64KB

Download
memory/3004-166-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-167-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/3004-168-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-169-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-170-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-171-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-172-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-173-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-190-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-175-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/3004-176-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/3004-177-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/3004-178-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/3004-179-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/3004-180-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-181-0x0000000002240000-0x0000000002250000-memory.dmp

Filesize
64KB

Download
memory/3004-182-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-183-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-189-0x00000000021E0000-0x00000000021F0000-memory.dmp

Filesize
64KB

Download
memory/3004-185-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-186-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-187-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/3004-188-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3360-157-0x000001DE9A920000-0x000001DE9A9AA000-memory.dmp

Filesize
552KB

Download
memory/3692-159-0x000001D6D4440000-0x000001D6D44CA000-memory.dmp

Filesize
552KB

Download
memory/4264-154-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4264-152-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4264-151-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4304-156-0x00000000004B0000-0x000000000053A000-memory.dmp

Filesize
552KB

Download
memory/4304-155-0x00000000004B0000-0x000000000053A000-memory.dmp

Filesize
552KB

Download
memory/4960-160-0x0000026FBCE20000-0x0000026FBCEAA000-memory.dmp

Filesize
552KB

Download