ba345a1a66446fba55ea23f82459da30632eb5e179d1ab00f3597dce8d97bdb6

General

Target

CONTRATTO-pdf.exe
Size

869KB
MD5

16aac40d13ff71f987a8895cc0f31fca
SHA1

9a1a7ae7d79971f01e12a9804291e317a564b421
SHA256

37723a2d00f77a033021a408e74b3ab780f65785a57d31d59633482b01291ccb
SHA512

20a35605454025da9f7b426dea274aa8f660e28ba6bd7cef4bbf45c14c04a88c5fd8888f8c78055e110e036ddbd6d011e8461cd04e06c50aa6df1c738593dcc8
SSDEEP

12288:2TdHutP4ws2ERwu7FHH1Khx1NwkvrpJrqVonoV5Ekikwh+:2Ti4L2uwupn141xtxoV5Okx

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

4932 powershell.exe
Drops file in Windows directory 1 IoCs

Processes:

CONTRATTO-pdf.exe

description ioc process

File opened for modification C:\Windows\Brugerkataloget.jag CONTRATTO-pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3876 4932 WerFault.exe powershell.exe

description	ioc	process
File opened for modification	C:\Windows\Brugerkataloget.jag	CONTRATTO-pdf.exe

pid	pid_target	process	target process
3876	4932	WerFault.exe	powershell.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exe

pid	process
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4932 powershell.exe

description	pid	process
Token: SeDebugPrivilege	4932	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

CONTRATTO-pdf.exepowershell.exe

description	pid	process	target process
PID 1764 wrote to memory of 4932	1764	CONTRATTO-pdf.exe	powershell.exe
PID 1764 wrote to memory of 4932	1764	CONTRATTO-pdf.exe	powershell.exe
PID 1764 wrote to memory of 4932	1764	CONTRATTO-pdf.exe	powershell.exe
PID 4932 wrote to memory of 2264	4932	powershell.exe	cmd.exe
PID 4932 wrote to memory of 2264	4932	powershell.exe	cmd.exe
PID 4932 wrote to memory of 2264	4932	powershell.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\CONTRATTO-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CONTRATTO-pdf.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Unmortgaged=cat 'C:\Users\Admin\AppData\Roaming\sidonian\Oeret.Eft';$brothel=$Unmortgaged.substring(77103,3);.$brothel($Unmortgaged)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
    3⤵
    PID:2264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 2568
    3⤵
    - Program crash
    PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4932 -ip 4932
1⤵
PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5nqwyhpo.30l.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\sidonian\Oeret.Eft

Filesize
75KB

MD5
e56fd41d73a77a5af876ac27129d627d

SHA1
789a07b1cd02384ba8fa4c705190be279810b0a0

SHA256
b90e7137becc4da8ac38cf1eb2f848329fff796f0485b427d69c72dc999dba10

SHA512
ad13b91cb9fb6e4b310692c51dd15524cc01fc0d4fc757a303804c8ad1b8e9ae63e1cfda12b4d987b3c6fd398d8674a5fc8abb10517e3ef3317ef37f3388d1cd

Download Submit
memory/4932-14-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/4932-26-0x0000000006770000-0x00000000067BC000-memory.dmp

Filesize
304KB

Download
memory/4932-11-0x0000000073620000-0x0000000073DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4932-12-0x0000000005790000-0x00000000057B2000-memory.dmp

Filesize
136KB

Download
memory/4932-13-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/4932-9-0x00000000059E0000-0x0000000006008000-memory.dmp

Filesize
6.2MB

Download
memory/4932-7-0x000000007362E000-0x000000007362F000-memory.dmp

Filesize
4KB

Download
memory/4932-24-0x0000000006270000-0x00000000065C4000-memory.dmp

Filesize
3.3MB

Download
memory/4932-25-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/4932-10-0x0000000073620000-0x0000000073DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4932-27-0x0000000007720000-0x00000000077B6000-memory.dmp

Filesize
600KB

Download
memory/4932-29-0x0000000006CB0000-0x0000000006CD2000-memory.dmp

Filesize
136KB

Download
memory/4932-28-0x0000000006C60000-0x0000000006C7A000-memory.dmp

Filesize
104KB

Download
memory/4932-30-0x0000000007D70000-0x0000000008314000-memory.dmp

Filesize
5.6MB

Download
memory/4932-8-0x0000000003170000-0x00000000031A6000-memory.dmp

Filesize
216KB

Download
memory/4932-32-0x00000000089A0000-0x000000000901A000-memory.dmp

Filesize
6.5MB

Download
memory/4932-34-0x0000000073620000-0x0000000073DD0000-memory.dmp

Filesize
7.7MB

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Analysis

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