tinba | 9686c43ff9c4e41ba1a3ef7b2d9f34eb8dbd418551f0138530d65b0b1dca4b86

Analysis

max time kernel
7s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 00:46

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General

Target
NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe
Size 45KB
Sample231106-a4mgpsgf76
SHA256 9686c43ff9c4e41ba1a3ef7b2d9f34eb8dbd418551f0138530d65b0b1dca4b86
MD5 e1ba6cec3c9fa3d06d7aeb20348950b0
SHA1 9e95a7ba3809ad1827b2d1b40cc6c11cf82ad483
SHA512 23cf60a9a1cbaf2377c5232ae401a103968eaad4ebf3cd1e68dd61da2c34c7f7bd491b9722e142e7b8454cccd2ec42b3acaf2ccfe19b0bbe8163b1a2f72a236b
SSDEEP 768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:lsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4560-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0DF79B24 = "C:\\Users\\Admin\\AppData\\Roaming\\0DF79B24\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1116	winver.exe
1116	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1116	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 1116	4560	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	90
PID 4560 wrote to memory of 1116	4560	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	90
PID 4560 wrote to memory of 1116	4560	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	90
PID 4560 wrote to memory of 1116	4560	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	90
PID 1116 wrote to memory of 3316	1116	winver.exe	34
PID 1116 wrote to memory of 2736	1116	winver.exe	41
PID 1116 wrote to memory of 2772	1116	winver.exe	40
PID 1116 wrote to memory of 2856	1116	winver.exe	39
PID 1116 wrote to memory of 3316	1116	winver.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3316
- C:\Users\Admin\AppData\Local\Temp\NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1116

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2856

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2772

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2736

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1116-7-0x0000000000B30000-0x0000000000B36000-memory.dmp

Download

memory/1116-5-0x0000000077A42000-0x0000000077A43000-memory.dmp

Download

memory/2736-15-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Download

memory/2772-16-0x0000000000010000-0x0000000000016000-memory.dmp

Download

memory/2772-13-0x0000000000010000-0x0000000000016000-memory.dmp

Download

memory/2856-14-0x00000000006C0000-0x00000000006C6000-memory.dmp

Download

memory/3316-6-0x00007FFC04A2D000-0x00007FFC04A2E000-memory.dmp

Download

memory/3316-3-0x0000000000830000-0x0000000000836000-memory.dmp

Download

memory/3316-2-0x0000000000830000-0x0000000000836000-memory.dmp

Download

memory/3464-19-0x0000000000F60000-0x0000000000F66000-memory.dmp

Download

memory/3696-21-0x0000000000A00000-0x0000000000A06000-memory.dmp

Download

memory/4560-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Download

memory/4560-8-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/4560-9-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Download

memory/4560-0-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/4560-1-0x0000000002160000-0x0000000002161000-memory.dmp

Download