tinba | 634e518db2afee7bf53e39df4c50dea4c9514adf872e714503428184e6305e13

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 14:19

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General

Target
c4c29b4afd776ea68796ebad030a4066.exe
Size 34KB
Sample231220-rms2lacce4
SHA256 634e518db2afee7bf53e39df4c50dea4c9514adf872e714503428184e6305e13
MD5 c4c29b4afd776ea68796ebad030a4066
SHA1 2c201ba3d600f8b261c8802de5ebcedfb91a44a3
SHA512 737d977a3aaaf95bbce414e1a1ef68b2a37411e5b23f3cfc7037408666bdbd98a7fe16c2872c36625eaeb8135c2102f87beba345f42897e7e287d0a75401d656
SSDEEP 768:sp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:spYoX58z1uirL98xMWnT0OQ9J2
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/4668-0-0x0000000000400000-0x0000000000417000-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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B2B984D1 = "C:\\Users\\Admin\\AppData\\Roaming\\B2B984D1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1440	2180	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2180	winver.exe
2180	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2180	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3364	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 2180	4668	c4c29b4afd776ea68796ebad030a4066.exe	89
PID 4668 wrote to memory of 2180	4668	c4c29b4afd776ea68796ebad030a4066.exe	89
PID 4668 wrote to memory of 2180	4668	c4c29b4afd776ea68796ebad030a4066.exe	89
PID 4668 wrote to memory of 2180	4668	c4c29b4afd776ea68796ebad030a4066.exe	89
PID 2180 wrote to memory of 3364	2180	winver.exe	38
PID 2180 wrote to memory of 2896	2180	winver.exe	43

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3364
- C:\Users\Admin\AppData\Local\Temp\c4c29b4afd776ea68796ebad030a4066.exe
  "C:\Users\Admin\AppData\Local\Temp\c4c29b4afd776ea68796ebad030a4066.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4668
- - 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:2180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 352
      4⤵
      Program crash
      PID:1440

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2180 -ip 2180
1⤵
PID:4924

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/2180-5-0x0000000000570000-0x0000000000576000-memory.dmp

Download

memory/2180-16-0x0000000000570000-0x0000000000576000-memory.dmp

Download

memory/2180-8-0x0000000000670000-0x0000000000682000-memory.dmp

Download

memory/2180-6-0x00000000772A2000-0x00000000772A3000-memory.dmp

Download

memory/2896-15-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Download

memory/3364-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Download

memory/3364-7-0x00007FFF707CD000-0x00007FFF707CE000-memory.dmp

Download

memory/3364-9-0x00007FFF70960000-0x00007FFF70961000-memory.dmp

Download

memory/3364-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Download

memory/4668-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Download

memory/4668-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4668-10-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4668-11-0x0000000002270000-0x0000000002C70000-memory.dmp

Download

memory/4668-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Download