tinba | dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 13:56

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General

Target

dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe
Size

45KB
MD5

9339120ef64721732c62f085ddb69860
SHA1

260ecbba96b9cc03a032a811f45bc59606bc4757
SHA256

dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1
SHA512

9549776073b4d44870485c48c2f86a9da33560841a1ac3270b207456aa3d8a574893399528698ff861b9d209b157f4c6e88ad0b6b87f35868413b68b1a306002
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:/sWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\B4BE7DF5 = "C:\\Users\\Admin\\AppData\\Roaming\\B4BE7DF5\\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/2264-0-0x0000000000400000-0x000000000041D000-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	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe
2692	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2692	winver.exe
1172	Explorer.EXE
1172	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1172	Explorer.EXE
1172	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2692	2264	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	31
PID 2264 wrote to memory of 2692	2264	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	31
PID 2264 wrote to memory of 2692	2264	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	31
PID 2264 wrote to memory of 2692	2264	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	31
PID 2264 wrote to memory of 2692	2264	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	31
PID 2692 wrote to memory of 1172	2692	winver.exe	21
PID 2692 wrote to memory of 1056	2692	winver.exe	17
PID 2692 wrote to memory of 1072	2692	winver.exe	19
PID 2692 wrote to memory of 1172	2692	winver.exe	21
PID 2692 wrote to memory of 1412	2692	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1172
- C:\Users\Admin\AppData\Local\Temp\dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe
  "C:\Users\Admin\AppData\Local\Temp\dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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:2692

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1412

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/1056-30-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/1072-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1072-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1072-26-0x0000000077841000-0x0000000077842000-memory.dmp

Filesize
4KB

Download
memory/1172-3-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1172-22-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1172-10-0x0000000077841000-0x0000000077842000-memory.dmp

Filesize
4KB

Download
memory/1172-4-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1172-2-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1412-24-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1412-28-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1412-29-0x0000000077841000-0x0000000077842000-memory.dmp

Filesize
4KB

Download
memory/2264-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2264-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2264-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2264-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2264-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2692-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2692-7-0x00000000779F0000-0x00000000779F1000-memory.dmp

Filesize
4KB

Download
memory/2692-8-0x00000000779EF000-0x00000000779F0000-memory.dmp

Filesize
4KB

Download
memory/2692-9-0x00000000779EF000-0x00000000779F1000-memory.dmp

Filesize
8KB

Download
memory/2692-11-0x00000000777F0000-0x0000000077999000-memory.dmp

Filesize
1.7MB

Download
memory/2692-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download