gozi_ifsb | 23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2

General

Target

23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe
Size

388KB
MD5

47a7fcfbab8ff08c6363e4094e6ce93b
SHA1

9d90222513625aab4120e17930cfe5f600ed2018
SHA256

23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2
SHA512

478f52c5e1ecbac59242f8151b08fff3038564fbca3a05dd5f2fd3ed4dd819c56483f2e8ccdfcf1abaa4ce870b64e06b54f204176e8260a854f2502105ca0643

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:

ACCTient.exe

pid process

940 ACCTient.exe
Deletes itself 1 IoCs

Processes:

ACCTient.exe

pid process

940 ACCTient.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exe

pid process

984 cmd.exe
984 cmd.exe

pid	process
940	ACCTient.exe

pid	process
940	ACCTient.exe

pid	process
984	cmd.exe
984	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Audiedit = "C:\\Users\\Admin\\AppData\\Roaming\\bitsmuid\\ACCTient.exe"	23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ACCTient.exesvchost.exe

description	pid	process	target process
PID 940 set thread context of 1756	940	ACCTient.exe	svchost.exe
PID 1756 set thread context of 1364	1756	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:

ACCTient.exeExplorer.EXE

pid process

940 ACCTient.exe
1364 Explorer.EXE
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

ACCTient.exesvchost.exe

pid process

940 ACCTient.exe
1756 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE

pid	process
940	ACCTient.exe
1364	Explorer.EXE

pid	process
940	ACCTient.exe
1756	svchost.exe

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

pid	process
1364	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.execmd.execmd.exeACCTient.exesvchost.exe

description	pid	process	target process
PID 1000 wrote to memory of 1976	1000	23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe	cmd.exe
PID 1000 wrote to memory of 1976	1000	23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe	cmd.exe
PID 1000 wrote to memory of 1976	1000	23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe	cmd.exe
PID 1000 wrote to memory of 1976	1000	23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe	cmd.exe
PID 1976 wrote to memory of 984	1976	cmd.exe	cmd.exe
PID 1976 wrote to memory of 984	1976	cmd.exe	cmd.exe
PID 1976 wrote to memory of 984	1976	cmd.exe	cmd.exe
PID 1976 wrote to memory of 984	1976	cmd.exe	cmd.exe
PID 984 wrote to memory of 940	984	cmd.exe	ACCTient.exe
PID 984 wrote to memory of 940	984	cmd.exe	ACCTient.exe
PID 984 wrote to memory of 940	984	cmd.exe	ACCTient.exe
PID 984 wrote to memory of 940	984	cmd.exe	ACCTient.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 940 wrote to memory of 1756	940	ACCTient.exe	svchost.exe
PID 1756 wrote to memory of 1364	1756	svchost.exe	Explorer.EXE
PID 1756 wrote to memory of 1364	1756	svchost.exe	Explorer.EXE
PID 1756 wrote to memory of 1364	1756	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:1364

C:\Users\Admin\AppData\Local\Temp\23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe
"C:\Users\Admin\AppData\Local\Temp\23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\A3B2\31.bat" "C:\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe" "C:\Users\Admin\AppData\Local\Temp\23A14E~1.EXE""
3⤵
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\cmd.exe
cmd /C ""C:\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe" "C:\Users\Admin\AppData\Local\Temp\23A14E~1.EXE""
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:984

C:\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe
"C:\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe" "C:\Users\Admin\AppData\Local\Temp\23A14E~1.EXE"
5⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
6⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1756

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A3B2\31.bat
Filesize
108B

MD5
e7550e44121fe66c24064dcfe5f83a63

SHA1
c82ee730dd23a4fd3d9abbe8af2c3af2784468b7

SHA256
d8cb96f3a3a9b8bc07c9d26857f01151ecc22d96b84797833efaeb17a6ef4952

SHA512
37b3a5595dd4a7f17a0fdba9685be2a8ac1f9a8b3427248cb997ada4d2adeafde3779fc0b2b2f92bcd03c09fea6f222700745495edb19e30ffb30ca3c195ae02

Download Submit
C:\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe
Filesize
388KB

MD5
47a7fcfbab8ff08c6363e4094e6ce93b

SHA1
9d90222513625aab4120e17930cfe5f600ed2018

SHA256
23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2

SHA512
478f52c5e1ecbac59242f8151b08fff3038564fbca3a05dd5f2fd3ed4dd819c56483f2e8ccdfcf1abaa4ce870b64e06b54f204176e8260a854f2502105ca0643

Download Submit
C:\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe
Filesize
388KB

MD5
47a7fcfbab8ff08c6363e4094e6ce93b

SHA1
9d90222513625aab4120e17930cfe5f600ed2018

SHA256
23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2

SHA512
478f52c5e1ecbac59242f8151b08fff3038564fbca3a05dd5f2fd3ed4dd819c56483f2e8ccdfcf1abaa4ce870b64e06b54f204176e8260a854f2502105ca0643

Download Submit
\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe
Filesize
388KB

MD5
47a7fcfbab8ff08c6363e4094e6ce93b

SHA1
9d90222513625aab4120e17930cfe5f600ed2018

SHA256
23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2

SHA512
478f52c5e1ecbac59242f8151b08fff3038564fbca3a05dd5f2fd3ed4dd819c56483f2e8ccdfcf1abaa4ce870b64e06b54f204176e8260a854f2502105ca0643

Download Submit
\Users\Admin\AppData\Roaming\bitsmuid\ACCTient.exe
Filesize
388KB

MD5
47a7fcfbab8ff08c6363e4094e6ce93b

SHA1
9d90222513625aab4120e17930cfe5f600ed2018

SHA256
23a14ea3e60c8669ed7d69c03c5bbfb6bd4998c7679e047f0b312a3bb1b747f2

SHA512
478f52c5e1ecbac59242f8151b08fff3038564fbca3a05dd5f2fd3ed4dd819c56483f2e8ccdfcf1abaa4ce870b64e06b54f204176e8260a854f2502105ca0643

Download Submit
memory/940-67-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/940-64-0x0000000000000000-mapping.dmp

Download
memory/940-69-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download
memory/984-60-0x0000000000000000-mapping.dmp

Download
memory/1000-57-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download
memory/1000-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1000-55-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1364-73-0x0000000002570000-0x00000000025E5000-memory.dmp

Filesize
468KB

Download
memory/1364-74-0x0000000002570000-0x00000000025E5000-memory.dmp

Filesize
468KB

Download
memory/1756-70-0x0000000000000000-mapping.dmp

Download
memory/1756-71-0x00000000003B0000-0x0000000000425000-memory.dmp

Filesize
468KB

Download
memory/1756-72-0x00000000003B0000-0x0000000000425000-memory.dmp

Filesize
468KB

Download
memory/1976-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads