tinba | 88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 19:24

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General

Target

88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe
Size

110KB
MD5

6838b76ebbe2f27fee2adcab41a5ca01
SHA1

d1bcfcbb6ad04d138edc07941adcb3e12d41a29a
SHA256

88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879
SHA512

ccf2e42ae82e3bd1f12165c1dcffc6469b24285c341d7c2d1bd1cb1bf3d531b41901e7a6b2b31be21a9fdb66ed12317971c84afda9b82e6a6486f4d94007fbe1
SSDEEP

1536:QiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:QiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\8F0BA6A3 = "C:\\Users\\Admin\\AppData\\Roaming\\8F0BA6A3\\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/1808-0-0x0000000000400000-0x000000000041E000-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	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1984	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1984	1808	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	29
PID 1808 wrote to memory of 1984	1808	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	29
PID 1808 wrote to memory of 1984	1808	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	29
PID 1808 wrote to memory of 1984	1808	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	29
PID 1808 wrote to memory of 1984	1808	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	29
PID 1984 wrote to memory of 1184	1984	winver.exe	21
PID 1984 wrote to memory of 1072	1984	winver.exe	18
PID 1984 wrote to memory of 1120	1984	winver.exe	19
PID 1984 wrote to memory of 1184	1984	winver.exe	21
PID 1984 wrote to memory of 324	1984	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe
  "C:\Users\Admin\AppData\Local\Temp\88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1808
- - 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:1984

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:324

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/324-33-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/324-32-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/324-30-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1072-19-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1072-37-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1072-18-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1072-20-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1072-21-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1120-34-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1120-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1184-31-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1184-26-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1808-13-0x0000000001B90000-0x0000000002590000-memory.dmp

Filesize
10.0MB

Download
memory/1808-5-0x0000000001B90000-0x0000000002590000-memory.dmp

Filesize
10.0MB

Download
memory/1808-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1808-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1808-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1984-8-0x0000000077C6F000-0x0000000077C70000-memory.dmp

Filesize
4KB

Download
memory/1984-11-0x0000000077A70000-0x0000000077C19000-memory.dmp

Filesize
1.7MB

Download
memory/1984-9-0x0000000077C6F000-0x0000000077C71000-memory.dmp

Filesize
8KB

Download
memory/1984-7-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/1984-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download