1fd37947b48fb6990fea21b2da1704b04cb28657896b12f70470801fb6f8c3f2

General

Target

bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
Size

164KB
MD5

cdaa35954dcd153996ce975b91fe719d
SHA1

091608f039e47e20f3f275a70ea258c7c1e9d9a0
SHA256

c8f5fab9ca9289342ae92ed1ef056e687f906fc40bbcfe2bee55d639157e06f4
SHA512

89bab6eb07c59317f6bd06c24767d73e9919a6602571451c4e0b2b7f17c5b6a820d31544928cc8f06719bbb88117dd73f788f714d2363d2bba0c3639d781058a
SSDEEP

3072:GJ/YG2oBmsmoA29aps+uqp65kpfuDrBNRUCLBEpXTfW0281UaOAfXTVRI9Jf+yY:GJ/GoMs1Ale5FBQrW028bOyXTHI

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2040	cmd.exe

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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypbkryye.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\ypbkryye.exe\""	Explorer.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
Token: SeDebugPrivilege	1288	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1488 wrote to memory of 1744	1488	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	28
PID 1744 wrote to memory of 2040	1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	29
PID 1744 wrote to memory of 2040	1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	29
PID 1744 wrote to memory of 2040	1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	29
PID 1744 wrote to memory of 2040	1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	29
PID 1744 wrote to memory of 1288	1744	bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe	18
PID 1288 wrote to memory of 1136	1288	Explorer.EXE	11
PID 1288 wrote to memory of 1236	1288	Explorer.EXE	19
PID 1288 wrote to memory of 1236	1288	Explorer.EXE	19

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1136

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
  "C:\Users\Admin\AppData\Local\Temp\bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Users\Admin\AppData\Local\Temp\bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
    C:\Users\Admin\AppData\Local\Temp\bestätigung_zahlungseingang_2014_11_55_02_277_001_033_927_0983900005_0000009127_01_20.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1744
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS4245~1.BAT"
      4⤵
      Deletes itself
      PID:2040

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ms4245398.bat

Filesize
201B

MD5
40f2f93b5fb8b5f1fd6a7bc4cbd342c8

SHA1
38f97d4799e05608c26b7937cb07d40a13bb045b

SHA256
3de2ab78bb6de5d0e12bb5f0435f9d1d37e36e7481517b5fbaa58b1b33df7f48

SHA512
b6db24553b367dadb6aa2b532fd042a8c7ed283c7bab6018f65aeb723efd748b4ee0e3d4d4dcd2514820cb5f5016bf5fb80e17d4aadd25ce2aa306ccf448ccb2

Download Submit
memory/1136-87-0x0000000000310000-0x0000000000327000-memory.dmp

Filesize
92KB

Download
memory/1136-83-0x0000000037C70000-0x0000000037C80000-memory.dmp

Filesize
64KB

Download
memory/1236-89-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/1236-88-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download
memory/1236-85-0x0000000037C70000-0x0000000037C80000-memory.dmp

Filesize
64KB

Download
memory/1236-84-0x0000000037C70000-0x0000000037C80000-memory.dmp

Filesize
64KB

Download
memory/1288-86-0x00000000022F0000-0x0000000002307000-memory.dmp

Filesize
92KB

Download
memory/1288-76-0x0000000037C70000-0x0000000037C80000-memory.dmp

Filesize
64KB

Download
memory/1288-72-0x00000000022F0000-0x0000000002307000-memory.dmp

Filesize
92KB

Download
memory/1488-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

Filesize
8KB

Download
memory/1488-65-0x0000000000290000-0x0000000000294000-memory.dmp

Filesize
16KB

Download
memory/1744-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-74-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1744-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

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