tinba | 26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 01:09

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General

Target

26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe
Size

160KB
MD5

a56a3a276b1bc91a0f189421aa3f6690
SHA1

4aae692053a580dbaadddf9038c1263a01500c9f
SHA256

26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4
SHA512

41bfdb03caff81fb3ad7e974a988830a99bc5da40ce8fe4e0b1b4662a16980e29638e4381c60b1016c494a8d812daedf280668ff4e0569004fda5620162ff336
SSDEEP

1536:pEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:iY+4MiIkLZJNAQ9J6v

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

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\6A4D10F5 = "C:\\Users\\Admin\\AppData\\Roaming\\6A4D10F5\\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/1716-0-0x0000000000400000-0x0000000000428000-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	26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1272	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1272	1716	26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe	29
PID 1716 wrote to memory of 1272	1716	26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe	29
PID 1716 wrote to memory of 1272	1716	26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe	29
PID 1716 wrote to memory of 1272	1716	26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe	29
PID 1716 wrote to memory of 1272	1716	26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe	29
PID 1272 wrote to memory of 1200	1272	winver.exe	21
PID 1272 wrote to memory of 1120	1272	winver.exe	19
PID 1272 wrote to memory of 1172	1272	winver.exe	20
PID 1272 wrote to memory of 1200	1272	winver.exe	21
PID 1272 wrote to memory of 1584	1272	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:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe
  "C:\Users\Admin\AppData\Local\Temp\26e1b1bdf59a3dc3ff7d5b955fa9438b5b81332228673ffdfea1feb614dd65b4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1716
- - 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:1272

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1584

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/1120-24-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1172-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1272-9-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/1272-8-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/1272-7-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/1272-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1272-11-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/1272-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1272-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1584-23-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

Download
memory/1584-28-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1584-30-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

Download
memory/1716-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1716-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1716-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1716-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1716-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download