53157e15a004968d2d6051bfb6b8027a796798315b44c8b49bdb0bf88ee51fbb

General

Target

2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
Size

160KB
MD5

b0a152fe885a13a6ffb0057f6f21912f
SHA1

e6870c0ac584c1b832087e5dc092556510c077f1
SHA256

ca6c987b14711b150a5760537d8249a83a8c90cad8d4976d7587f914e16adb0a
SHA512

960e072a22a1737c0be3ca4cc7fd7c949a3439455bb5fde7e81a13a97e8e8d9a54f443ae23a8acf43489082af32069e5283746317bf6c2ab31b778b8b395bb09
SSDEEP

3072:t7tcYSClxKNC13xj0PO5wdy4VF+wrNEumYKqReAGBl/M8:FtcclxnxXw+9uH4/k8

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1476	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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\usrbdvpp.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\usrbdvpp.exe\""	Explorer.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 996 set thread context of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1304	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
Token: SeDebugPrivilege	1304	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1304	Explorer.EXE
1304	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1304	Explorer.EXE
1304	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 996 wrote to memory of 952	996	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 952 wrote to memory of 1476	952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	28
PID 952 wrote to memory of 1476	952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	28
PID 952 wrote to memory of 1476	952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	28
PID 952 wrote to memory of 1476	952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	28
PID 952 wrote to memory of 1304	952	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	16
PID 1304 wrote to memory of 1132	1304	Explorer.EXE	18
PID 1304 wrote to memory of 1232	1304	Explorer.EXE	17
PID 1304 wrote to memory of 1476	1304	Explorer.EXE	28
PID 1304 wrote to memory of 1476	1304	Explorer.EXE	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
  "C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:996
- - C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
    C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:952
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS3818~1.BAT"
      4⤵
      Deletes itself
      PID:1476

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

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\ms3818398.bat

Filesize
201B

MD5
5891d3036c8dbf331b5a34395e4b81e0

SHA1
446fc77adf2ed4b0d99dade53fac522dea014a54

SHA256
e2b6c26f7868bc0b39128e531e8b87f73431ef1c4d8aa7be9014ffbda83dfdbf

SHA512
6f7c171e925e0672347ae4f56646f64d42229b18f43531de7708baf8ad3a2a00a77681c606690c845e7cf7e4539aa86ecc1cc4f992d8adea0c30492e5589d371

Download Submit
memory/952-74-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-55-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-56-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-58-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-60-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-62-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-63-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/952-67-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/996-65-0x0000000000280000-0x0000000000284000-memory.dmp

Filesize
16KB

Download
memory/996-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

Filesize
8KB

Download
memory/1132-81-0x00000000373B0000-0x00000000373C0000-memory.dmp

Filesize
64KB

Download
memory/1132-87-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download
memory/1232-85-0x00000000373B0000-0x00000000373C0000-memory.dmp

Filesize
64KB

Download
memory/1232-88-0x0000000000340000-0x0000000000357000-memory.dmp

Filesize
92KB

Download
memory/1304-75-0x00000000373B0000-0x00000000373C0000-memory.dmp

Filesize
64KB

Download
memory/1304-72-0x00000000029C0000-0x00000000029D7000-memory.dmp

Filesize
92KB

Download
memory/1304-86-0x00000000029C0000-0x00000000029D7000-memory.dmp

Filesize
92KB

Download
memory/1476-82-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

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Analysis

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