tinba | 653c78ce95354e4c3e7a24d3d33de2eac505cc2fd943992c859418813469c4e8

Analysis

max time kernel
148s
max time network
147s
platform
windows10_x64
resource
win10v20201028
submitted
17-11-2020 12:10

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General

Target

0f3bfa748a771b5e6498d584c15e6995.exe
Size

168KB
MD5

9a386bbb2de614c64284f2bd63570ff0
SHA1

e3ed06a92cb6fb11b2351ce924350937159d0d16
SHA256

653c78ce95354e4c3e7a24d3d33de2eac505cc2fd943992c859418813469c4e8
SHA512

0668662532992a9dce3987ea18dd0745bf18bc09a8d2cdfb1a505db2c3b404f24736d5c52467e8af4c6a7725e19bdd80c934ea14a6d5b5c262cb8371e5e08c02

Score

10^/10

tinba banker persistence trojan

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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\9B582707 = "C:\\Users\\Admin\\AppData\\Roaming\\9B582707\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe
3768	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3768	winver.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 3768	1144	0f3bfa748a771b5e6498d584c15e6995.exe	73
PID 1144 wrote to memory of 3768	1144	0f3bfa748a771b5e6498d584c15e6995.exe	73
PID 1144 wrote to memory of 3768	1144	0f3bfa748a771b5e6498d584c15e6995.exe	73
PID 1144 wrote to memory of 3768	1144	0f3bfa748a771b5e6498d584c15e6995.exe	73
PID 3768 wrote to memory of 2624	3768	winver.exe	57
PID 3768 wrote to memory of 2836	3768	winver.exe	54
PID 3768 wrote to memory of 2856	3768	winver.exe	55
PID 3768 wrote to memory of 2992	3768	winver.exe	56
PID 3768 wrote to memory of 2624	3768	winver.exe	57
PID 3768 wrote to memory of 3292	3768	winver.exe	58
PID 3768 wrote to memory of 3308	3768	winver.exe	59
PID 3768 wrote to memory of 3584	3768	winver.exe	60
PID 3768 wrote to memory of 3836	3768	winver.exe	61

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2836

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2856

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2624
- C:\Users\Admin\AppData\Local\Temp\0f3bfa748a771b5e6498d584c15e6995.exe
  "C:\Users\Admin\AppData\Local\Temp\0f3bfa748a771b5e6498d584c15e6995.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1144
- - 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:3768

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3292

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3308

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3584

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2624-1-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2624-5-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/2836-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/2856-3-0x0000000000990000-0x0000000000996000-memory.dmp

Filesize
24KB

Download
memory/2992-4-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3292-6-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3308-7-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3584-8-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3836-9-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download