5d3493bfb1702bf66ad6dc792cdf3316ff721ec93fb2bbf9910b85754de200f2

General

Target

rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
Size

180KB
MD5

f96874ad23fde2f0b3af2af1565beb73
SHA1

16e63fa7df0f2e8964d2e9cf2541b9ccd5c31106
SHA256

0ed91af7f5dd71ee724ef0bddaae43bdd10721fa21f2b226f69f3156085126fc
SHA512

e5c621a7bd62832ba331b2d0ee40d72e81d9a6892a662ded20c1c23e56b553b829f1691293728b1a8d190c6dd3c0dfdccfe77551ebe2bf7e3220d411c77e803d
SSDEEP

3072:t1ezQdDuZph4fWy6c3v40y+rzqVCr+YARsI6u2t4Y9sBG0hac0v2D+:t1eUNuFIdt3vTrz1r+R7F2t4pUO

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
960	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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ianvmjrr.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\ianvmjrr.exe\""	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1204	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
Token: SeDebugPrivilege	1204	Explorer.EXE
Token: SeShutdownPrivilege	1204	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 960	1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1948 wrote to memory of 960	1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1948 wrote to memory of 960	1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1948 wrote to memory of 960	1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	28
PID 1948 wrote to memory of 1204	1948	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	16
PID 1204 wrote to memory of 1120	1204	Explorer.EXE	9
PID 1204 wrote to memory of 1176	1204	Explorer.EXE	17

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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:1204
- 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:1948
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS6374~1.BAT"
    3⤵
    - Deletes itself
    PID:960

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

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\ms6374069.bat

Filesize
201B

MD5
291fe7b0640bd8d8e88061c573eb59b6

SHA1
7c90b39691619025f5b39d4f95360b3274997a09

SHA256
09e825373c935227158bd9007e8526f8229c8d623178d862c6718dbf3600601d

SHA512
db7820a88f4745ed327cecfe19e3b9759ece10c67428f6ac01196df1ea1b8bfbab1f6188fe1586e0ebd9ab20a046bf68cb04d85cf16d72e084bc3ea112b64885

Download Submit
memory/1120-66-0x0000000037C50000-0x0000000037C60000-memory.dmp

Filesize
64KB

Download
memory/1120-68-0x0000000001B80000-0x0000000001B97000-memory.dmp

Filesize
92KB

Download
memory/1176-67-0x0000000037C50000-0x0000000037C60000-memory.dmp

Filesize
64KB

Download
memory/1176-69-0x0000000000130000-0x0000000000147000-memory.dmp

Filesize
92KB

Download
memory/1204-56-0x0000000002A60000-0x0000000002A77000-memory.dmp

Filesize
92KB

Download
memory/1204-60-0x0000000037C50000-0x0000000037C60000-memory.dmp

Filesize
64KB

Download
memory/1204-70-0x0000000002A60000-0x0000000002A77000-memory.dmp

Filesize
92KB

Download
memory/1948-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1948-58-0x00000000002D0000-0x00000000002DD000-memory.dmp

Filesize
52KB

Download
memory/1948-59-0x0000000000290000-0x00000000002C5000-memory.dmp

Filesize
212KB

Download

Analysis

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