tinba | 1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4

Analysis

max time kernel
119s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/09/2024, 07:19

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General

Target
1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe
Size 34KB
Sample240926-h5jffaxcma
SHA256 1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4
MD5 290e3b6244e19bd8d3c9a347949cb120
SHA1 40ef594f6e2e507a2633086e302faa6abcdbe214
SHA512 39c7ade3f49b89f5352c0be42a4b8f715042479bd8776c1011a859d58070f2d46dfca562fee67da62bfbab9de04a403a1740eef15021c1cac0f5468b44c1aa24
SSDEEP 768:bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:bpYoX58z1uirL98xMWnT0OQ9J2
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1E2E8009 = "C:\\Users\\Admin\\AppData\\Roaming\\1E2E8009\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4760-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1292	2584	WerFault.exe	85

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	1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2584	winver.exe
2584	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2584	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 2584	4760	1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe	85
PID 4760 wrote to memory of 2584	4760	1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe	85
PID 4760 wrote to memory of 2584	4760	1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe	85
PID 4760 wrote to memory of 2584	4760	1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe	85
PID 2584 wrote to memory of 3444	2584	winver.exe	56
PID 2584 wrote to memory of 2884	2584	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2884

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe
  "C:\Users\Admin\AppData\Local\Temp\1926ca06cfd62fb7f6ec114aa27c0c6e050347153b513dfd00707ac84d4dd2d4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4760
- - 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:2584
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 352
      4⤵
      Program crash
      PID:1292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2584 -ip 2584
1⤵
PID:4492

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

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Downloads

memory/2584-5-0x0000000077DC2000-0x0000000077DC3000-memory.dmp

Download

memory/2584-14-0x0000000000980000-0x0000000000986000-memory.dmp

Download

memory/2584-11-0x0000000000980000-0x0000000000986000-memory.dmp

Download

memory/2584-7-0x00007FF892490000-0x00007FF892685000-memory.dmp

Download

memory/2884-13-0x0000000000570000-0x0000000000576000-memory.dmp

Download

memory/3444-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Download

memory/3444-6-0x00007FF89252D000-0x00007FF89252E000-memory.dmp

Download

memory/3444-3-0x00000000012B0000-0x00000000012B6000-memory.dmp

Download

memory/4760-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Download

memory/4760-8-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4760-9-0x0000000002190000-0x0000000002B90000-memory.dmp

Download

memory/4760-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4760-1-0x0000000002160000-0x0000000002161000-memory.dmp

Download