tinba | c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 06:09

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General

Target

c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe
Size

225KB
MD5

0a3fda04aa3944e8c367da598a6644e7
SHA1

6913cfa5bbe7b6a722ca945b180ff34a9dec1817
SHA256

c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc
SHA512

4d9ef53e9aa76d2e6901c33209ef132a6f813b4a855b41cd0b868f928aebf724244acdf3e439af22689b1e9b6ad5303f840705a5c6b343be1555a1e1768ecafb
SSDEEP

6144:4A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:4ATuTAnKGwUAW3ycQqgf

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\A645E3A9 = "C:\\Users\\Admin\\AppData\\Roaming\\A645E3A9\\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	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe
2944	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2944	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2944	2120	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	31
PID 2120 wrote to memory of 2944	2120	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	31
PID 2120 wrote to memory of 2944	2120	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	31
PID 2120 wrote to memory of 2944	2120	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	31
PID 2120 wrote to memory of 2944	2120	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	31
PID 2944 wrote to memory of 1224	2944	winver.exe	21
PID 2944 wrote to memory of 1124	2944	winver.exe	19
PID 2944 wrote to memory of 1176	2944	winver.exe	20
PID 2944 wrote to memory of 1224	2944	winver.exe	21
PID 2944 wrote to memory of 900	2944	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe
  "C:\Users\Admin\AppData\Local\Temp\c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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:2944

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:900

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/900-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/900-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-24-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1124-11-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1224-6-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1224-17-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1224-1-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1224-25-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/2120-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2944-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2944-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2944-29-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download