tinba | e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 08:48

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General

Target

e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe
Size

238KB
MD5

69db297fe4073f0412a5dedb81272550
SHA1

ccff27fec138a81da4c0374411af1c8b66e80928
SHA256

e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318
SHA512

5dff4537a55ba95c30ffa85f1b9e7153fe74659a7333f4d3d3939fd0d6455b4383de1f84f0e32f1007fb477bbd0bacaf2106147e18628da0ed4a1d7375133833
SSDEEP

6144:6mkLu0Aq9r8q7XMaC4+yPY7HLgZl3MovMfCp5CR:jkLsq9r8q7Xp27rk3Moa

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\BC1BDFFF = "C:\\Users\\Admin\\AppData\\Roaming\\BC1BDFFF\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2684	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2684	2828	e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe	31
PID 2828 wrote to memory of 2684	2828	e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe	31
PID 2828 wrote to memory of 2684	2828	e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe	31
PID 2828 wrote to memory of 2684	2828	e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe	31
PID 2828 wrote to memory of 2684	2828	e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe	31
PID 2684 wrote to memory of 1232	2684	winver.exe	21
PID 2684 wrote to memory of 1112	2684	winver.exe	19
PID 2684 wrote to memory of 1164	2684	winver.exe	20
PID 2684 wrote to memory of 1232	2684	winver.exe	21
PID 2684 wrote to memory of 316	2684	winver.exe	23
PID 2684 wrote to memory of 2828	2684	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe
  "C:\Users\Admin\AppData\Local\Temp\e92cf1eae023b82497efede8a507974382dff7ec72681ca18e8673068053e318N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - 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:2684

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:316

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 Information Discovery

T1082

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/316-22-0x0000000001DE0000-0x0000000001DE7000-memory.dmp

Filesize
28KB

Download
memory/316-28-0x0000000001DE0000-0x0000000001DE7000-memory.dmp

Filesize
28KB

Download
memory/1112-13-0x0000000000260000-0x0000000000267000-memory.dmp

Filesize
28KB

Download
memory/1112-31-0x0000000000260000-0x0000000000267000-memory.dmp

Filesize
28KB

Download
memory/1164-30-0x0000000000340000-0x0000000000347000-memory.dmp

Filesize
28KB

Download
memory/1164-16-0x0000000000340000-0x0000000000347000-memory.dmp

Filesize
28KB

Download
memory/1232-10-0x0000000002500000-0x0000000002507000-memory.dmp

Filesize
28KB

Download
memory/1232-7-0x0000000002500000-0x0000000002507000-memory.dmp

Filesize
28KB

Download
memory/1232-5-0x0000000002500000-0x0000000002507000-memory.dmp

Filesize
28KB

Download
memory/1232-29-0x0000000002590000-0x0000000002597000-memory.dmp

Filesize
28KB

Download
memory/1232-19-0x0000000002590000-0x0000000002597000-memory.dmp

Filesize
28KB

Download
memory/2684-8-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/2828-26-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2828-0-0x00000000024F0000-0x0000000002670000-memory.dmp

Filesize
1.5MB

Download
memory/2828-3-0x0000000001E20000-0x0000000001E21000-memory.dmp

Filesize
4KB

Download
memory/2828-2-0x00000000024F0000-0x0000000002670000-memory.dmp

Filesize
1.5MB

Download
memory/2828-1-0x0000000001E20000-0x0000000001E21000-memory.dmp

Filesize
4KB

Download