tinba | f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 10:07

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General

Target

f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe
Size

110KB
MD5

66e1b73df40c3843a115d13946569330
SHA1

c0cc79b64121c5b84b493d7d4754be313441686f
SHA256

f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066
SHA512

e4f8c38f713c37d52b7f7eb841c4f1b5f4fdbcf2f4ad8409f1cc84bfc0e4c0d095d63352b005865635e1e5f13f41c10b4dfd7aa5e57d88121e5895bc6a3d3d7b
SSDEEP

1536:xiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:xiyvRmDLs/ZrwWJjAqGcRJ2hw

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\AB63F189 = "C:\\Users\\Admin\\AppData\\Roaming\\AB63F189\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2240-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 3012	2240	f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe	29
PID 2240 wrote to memory of 3012	2240	f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe	29
PID 2240 wrote to memory of 3012	2240	f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe	29
PID 2240 wrote to memory of 3012	2240	f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe	29
PID 2240 wrote to memory of 3012	2240	f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe	29
PID 3012 wrote to memory of 1212	3012	winver.exe	21
PID 3012 wrote to memory of 1108	3012	winver.exe	19
PID 3012 wrote to memory of 1164	3012	winver.exe	20
PID 3012 wrote to memory of 1212	3012	winver.exe	21
PID 3012 wrote to memory of 1448	3012	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe
  "C:\Users\Admin\AppData\Local\Temp\f4d13f11b78e0c1c3674a7d7e184fbea30387f393bc0e40b11ea794bfcfa0066N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3012

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1108-23-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1164-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1164-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1212-30-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1448-32-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1448-31-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/2240-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2240-13-0x0000000001BA0000-0x00000000025A0000-memory.dmp

Filesize
10.0MB

Download
memory/2240-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2240-5-0x0000000001BA0000-0x00000000025A0000-memory.dmp

Filesize
10.0MB

Download
memory/2240-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3012-25-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3012-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3012-7-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/3012-11-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download
memory/3012-8-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/3012-9-0x000000007772F000-0x0000000077731000-memory.dmp

Filesize
8KB

Download
memory/3012-37-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download