tinba | 33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 08:13

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General

Target

33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe
Size

89KB
MD5

9a2453d636b02c5d149ab3104904b0c7
SHA1

ddf9d6d873bdcc94b0923b2f04aa228b67206d6b
SHA256

33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8
SHA512

c07ea5183ad6aa14365d824e42b4b4338796272d0830a8c7c535cdd7afc20cbab94d54d6e269bbc607fc83631c4d624a9212098b223f505da8f0e424af33b264
SSDEEP

1536:f1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:d+4MJIkLZJNAQ9Jo9u

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\2B5CAF89 = "C:\\Users\\Admin\\AppData\\Roaming\\2B5CAF89\\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/2672-0-0x0000000000400000-0x0000000000418000-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	33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2536	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2536	2672	33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe	31
PID 2672 wrote to memory of 2536	2672	33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe	31
PID 2672 wrote to memory of 2536	2672	33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe	31
PID 2672 wrote to memory of 2536	2672	33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe	31
PID 2672 wrote to memory of 2536	2672	33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe	31
PID 2536 wrote to memory of 1240	2536	winver.exe	21
PID 2536 wrote to memory of 1120	2536	winver.exe	19
PID 2536 wrote to memory of 1176	2536	winver.exe	20
PID 2536 wrote to memory of 1240	2536	winver.exe	21
PID 2536 wrote to memory of 1352	2536	winver.exe	23

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Users\Admin\AppData\Local\Temp\33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe
  "C:\Users\Admin\AppData\Local\Temp\33c3d0c4847980dc79536ef491e596c6365d75d736bf8aabb814f995f6deb6f8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:2536

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1352

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/1120-26-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1176-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-32-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1240-23-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1240-31-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1240-4-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1352-30-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1352-29-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1352-27-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/2536-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2536-11-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/2536-9-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/2536-8-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/2536-7-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/2536-33-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2536-38-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2672-13-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2672-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2672-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2672-5-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2672-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download