tinba | 1cb62ba1c9e13ce33e23dc9a015e37b50ac97359ffe85b500d03d47b417156cc

Analysis

max time kernel
150s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
17-11-2020 12:32

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General

Target

615c8b816f4ecf1acfd5418a44b19e3f.exe
Size

92KB
MD5

76187f5f99dffd2633a9877ed93dfbe6
SHA1

8643ef0fd80a232d5b7c91fece9437a8c09af48e
SHA256

1cb62ba1c9e13ce33e23dc9a015e37b50ac97359ffe85b500d03d47b417156cc
SHA512

a3ae4aad347667aae86780af6ae2fec4c1b9782287da622845857945a8a3552b059c575bf050611ea53890b5fc2b27e8db06f77db93942a2bc2f484d473f411c

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

Processes:

winver.exe

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\14D3FEA3 = "C:\\Users\\Admin\\AppData\\Roaming\\14D3FEA3\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winver.exe

pid	Process
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe
3288	winver.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

615c8b816f4ecf1acfd5418a44b19e3f.exewinver.exe

description	pid	Process	procid_target
PID 980 wrote to memory of 3288	980	615c8b816f4ecf1acfd5418a44b19e3f.exe	74
PID 980 wrote to memory of 3288	980	615c8b816f4ecf1acfd5418a44b19e3f.exe	74
PID 980 wrote to memory of 3288	980	615c8b816f4ecf1acfd5418a44b19e3f.exe	74
PID 980 wrote to memory of 3288	980	615c8b816f4ecf1acfd5418a44b19e3f.exe	74
PID 3288 wrote to memory of 2952	3288	winver.exe	54
PID 3288 wrote to memory of 2976	3288	winver.exe	56
PID 3288 wrote to memory of 3060	3288	winver.exe	57
PID 3288 wrote to memory of 3128	3288	winver.exe	58
PID 3288 wrote to memory of 3376	3288	winver.exe	59
PID 3288 wrote to memory of 3400	3288	winver.exe	60
PID 3288 wrote to memory of 3624	3288	winver.exe	61
PID 3288 wrote to memory of 3892	3288	winver.exe	62
PID 3288 wrote to memory of 2496	3288	winver.exe	75

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2952

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2976

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:3060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3128
- C:\Users\Admin\AppData\Local\Temp\615c8b816f4ecf1acfd5418a44b19e3f.exe
  "C:\Users\Admin\AppData\Local\Temp\615c8b816f4ecf1acfd5418a44b19e3f.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3288

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3376

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3400

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3624

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:2496

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/2496-9-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2952-1-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/2976-2-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/3060-3-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3128-4-0x00000000011D0000-0x00000000011D6000-memory.dmp

Filesize
24KB

Download
memory/3288-0-0x0000000000000000-mapping.dmp

Download
memory/3376-5-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3400-6-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3624-7-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3892-8-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download