tinba | 79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 22:12

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General

Target

79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe
Size

45KB
MD5

c59936a027f6125a613aace9d2e970ad
SHA1

b862593aadbe8bd860adc0fc483f35f154610d4a
SHA256

79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28
SHA512

53ea960362843fcfd9c766051225a1a6f6f0de72023328b473922878d28bb8a1ab08ed16f6dc4e9359082db0232a121b7ac57a9e81b79526e15389e09b9e9679
SSDEEP

768:hhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:bsWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\228B406F = "C:\\Users\\Admin\\AppData\\Roaming\\228B406F\\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/2992-0-0x0000000000400000-0x000000000041D000-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	79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe
2240	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2240	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2240	2992	79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe	31
PID 2992 wrote to memory of 2240	2992	79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe	31
PID 2992 wrote to memory of 2240	2992	79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe	31
PID 2992 wrote to memory of 2240	2992	79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe	31
PID 2992 wrote to memory of 2240	2992	79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe	31
PID 2240 wrote to memory of 1192	2240	winver.exe	21
PID 2240 wrote to memory of 1116	2240	winver.exe	19
PID 2240 wrote to memory of 1164	2240	winver.exe	20
PID 2240 wrote to memory of 1192	2240	winver.exe	21
PID 2240 wrote to memory of 1236	2240	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe
  "C:\Users\Admin\AppData\Local\Temp\79c9beefb7d887238d20c62142cb04e59459773f50a389556fd81849c48c1b28.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - 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:2240

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1116-27-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1164-32-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/1192-23-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1236-31-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/1236-25-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1236-36-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/2240-11-0x0000000077830000-0x00000000779D9000-memory.dmp

Filesize
1.7MB

Download
memory/2240-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2240-7-0x0000000077A30000-0x0000000077A31000-memory.dmp

Filesize
4KB

Download
memory/2240-8-0x0000000077A2F000-0x0000000077A30000-memory.dmp

Filesize
4KB

Download
memory/2240-9-0x0000000077A2F000-0x0000000077A31000-memory.dmp

Filesize
8KB

Download
memory/2240-33-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2992-13-0x0000000001C90000-0x0000000002690000-memory.dmp

Filesize
10.0MB

Download
memory/2992-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2992-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2992-5-0x0000000001C90000-0x0000000002690000-memory.dmp

Filesize
10.0MB

Download
memory/2992-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download