tinba | 97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 23:22

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General

Target

97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe
Size

110KB
MD5

bf23cfc5b8e19beaafcfc3ce9eee2f13
SHA1

a816358dbc30d536410f5de57bc7051c095a8c2c
SHA256

97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3
SHA512

a14fb1f92fe8f7c86ba51be98dfeec5d3d29b692dd8145803775f0588f2028dd34d965931792206e9112ad0a389b46261d17cfcc60499bd5b6d449c3be80dabf
SSDEEP

1536:YiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:YiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\42D6EB13 = "C:\\Users\\Admin\\AppData\\Roaming\\42D6EB13\\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/1956-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1440	1956	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	32
PID 1956 wrote to memory of 1440	1956	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	32
PID 1956 wrote to memory of 1440	1956	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	32
PID 1956 wrote to memory of 1440	1956	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	32
PID 1956 wrote to memory of 1440	1956	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	32
PID 1440 wrote to memory of 1200	1440	winver.exe	21
PID 1440 wrote to memory of 1116	1440	winver.exe	19
PID 1440 wrote to memory of 1168	1440	winver.exe	20
PID 1440 wrote to memory of 1200	1440	winver.exe	21
PID 1440 wrote to memory of 1312	1440	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - 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:1440

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/1116-28-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1200-11-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1200-10-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1312-32-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1312-26-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1312-33-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1440-7-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/1440-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1440-8-0x0000000077C6F000-0x0000000077C70000-memory.dmp

Filesize
4KB

Download
memory/1440-30-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1440-9-0x0000000077C6F000-0x0000000077C71000-memory.dmp

Filesize
8KB

Download
memory/1440-12-0x0000000077A70000-0x0000000077C19000-memory.dmp

Filesize
1.7MB

Download
memory/1440-38-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1956-14-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/1956-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1956-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1956-4-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/1956-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download