66029341b684c8a3990bd9d4cc1e6a7d48bb20b8bb4eedea236ecc07d0977431

General

Target

rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
Size

171KB
MD5

a804f34778af2e79285fc1322f1b412e
SHA1

072450802be854e19fdf8e84b153e64acf37e61d
SHA256

787a3ec22002c515ea6093e691c4578d3872cd0e24db671122d65b19e491036b
SHA512

306748ac10dcc89af61d4b52f753ba44f4741a2b7b597de8bbce867cd1055640288b8e9f7cd77ebbb2f80c3bacdf3b01097c7eeb95f19285dc807e5fbc46aa9e
SSDEEP

3072:igpd+HKWTnOwsDBY4XAHNycjNtTUhx0faUU8EoyDElkCd:igpMHKWTDun+DU6rqYlv

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
332	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-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\uhbkhryw.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\uhbkhryw.exe\""	Explorer.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1216 set thread context of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1272	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
Token: SeDebugPrivilege	1272	Explorer.EXE
Token: SeShutdownPrivilege	1272	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1216 wrote to memory of 1912	1216	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1912 wrote to memory of 332	1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	29
PID 1912 wrote to memory of 332	1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	29
PID 1912 wrote to memory of 332	1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	29
PID 1912 wrote to memory of 332	1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	29
PID 1912 wrote to memory of 1272	1912	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	16
PID 1272 wrote to memory of 1124	1272	Explorer.EXE	18
PID 1272 wrote to memory of 1188	1272	Explorer.EXE	17
PID 1272 wrote to memory of 1216	1272	Explorer.EXE	12
PID 1272 wrote to memory of 332	1272	Explorer.EXE	29
PID 1272 wrote to memory of 332	1272	Explorer.EXE	29
PID 1272 wrote to memory of 344	1272	Explorer.EXE	30

C:\Users\Admin\AppData\Local\Temp\rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
"C:\Users\Admin\AppData\Local\Temp\rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
  "C:\Users\Admin\AppData\Local\Temp\rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS8537~1.BAT"
    3⤵
    - Deletes itself
    PID:332

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 UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "126178238516925720751158533048-1297795546296967752-1682860539-1593524253215489728"
1⤵
PID:344

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\ms8537768.bat

Filesize
201B

MD5
024a1abe6be9ce887691cbab539e41f1

SHA1
276d804fb850e221fa96ce706faf07ee5df1bb97

SHA256
0f116d28e92f328f6f10d0ee56786e2176dba2608ddf2e746e9be64a12d25e12

SHA512
b643ad73f9690d64a73d8c778ce4532cd377f42988a39e0e6964f127bee8a9d32eabcbd7efa1490f30b3453838ebe3f1c252ae15990e6b1c49769c0ce4c81ccc

Download Submit
memory/332-99-0x0000000000130000-0x0000000000144000-memory.dmp

Filesize
80KB

Download
memory/332-82-0x0000000000130000-0x0000000000144000-memory.dmp

Filesize
80KB

Download
memory/332-97-0x0000000000150000-0x0000000000164000-memory.dmp

Filesize
80KB

Download
memory/332-92-0x0000000037390000-0x00000000373A0000-memory.dmp

Filesize
64KB

Download
memory/332-91-0x0000000037390000-0x00000000373A0000-memory.dmp

Filesize
64KB

Download
memory/344-98-0x0000000000350000-0x0000000000367000-memory.dmp

Filesize
92KB

Download
memory/344-90-0x00000000371E0000-0x00000000371F0000-memory.dmp

Filesize
64KB

Download
memory/1124-94-0x0000000000210000-0x0000000000227000-memory.dmp

Filesize
92KB

Download
memory/1124-83-0x00000000371E0000-0x00000000371F0000-memory.dmp

Filesize
64KB

Download
memory/1188-96-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/1188-85-0x00000000371E0000-0x00000000371F0000-memory.dmp

Filesize
64KB

Download
memory/1216-54-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1216-93-0x00000000001C0000-0x00000000001CE000-memory.dmp

Filesize
56KB

Download
memory/1272-74-0x00000000371E0000-0x00000000371F0000-memory.dmp

Filesize
64KB

Download
memory/1272-71-0x00000000029B0000-0x00000000029C7000-memory.dmp

Filesize
92KB

Download
memory/1272-95-0x00000000029B0000-0x00000000029C7000-memory.dmp

Filesize
92KB

Download
memory/1912-73-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

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