a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9

General

Target

a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
Size

593KB
MD5

ca61c16bb94540662facaa6cf7f317f8
SHA1

6fd5af916972136da2bcefb6188d1c11c905ed41
SHA256

a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9
SHA512

a41ebbe793b3d234921656b6ef3df75e500bb115ce3788e1bb4bc57ebda2de0dcbcdea24b51b53d8343e3b60977d2a57c577aef03613694d2c0a7346bac6eb5f
SSDEEP

12288:1oGrkCEw+Is4l8O3d5Gu8y5pSqgsZsFKSB82MiEhB:1oGI3w1l8Ot5Gvy5DKEdB

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4964	powershell.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\playgoers.sep	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File created	C:\Windows\SysWOW64\bores.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\SysWOW64\bores.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File created	C:\Windows\SysWOW64\Pentose.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\SysWOW64\Pentose.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Pygopagus172\matthfus.ala	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Program Files (x86)\Common Files\lnstigningsmnstre\Ccny.sta	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Program Files (x86)\Common Files\Vaginismus.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Program Files (x86)\Common Files\nvningedomstol\arbejdskommando.sto	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\ejerlst.uns	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\resources\fysiurg\Cheesecutter.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\yer.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\truthlessly\Stablish.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4148	4964	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4964	powershell.exe
4964	powershell.exe
4964	powershell.exe
4964	powershell.exe
4964	powershell.exe
4964	powershell.exe
4964	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4964	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 4964	4868	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	86
PID 4868 wrote to memory of 4964	4868	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	86
PID 4868 wrote to memory of 4964	4868	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	86
PID 4964 wrote to memory of 2484	4964	powershell.exe	90
PID 4964 wrote to memory of 2484	4964	powershell.exe	90
PID 4964 wrote to memory of 2484	4964	powershell.exe	90

C:\Users\Admin\AppData\Local\Temp\a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
"C:\Users\Admin\AppData\Local\Temp\a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Undiaphanousness=Get-Content 'C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Rouilles\Effektiviseret.Dia';$Trafikflyene=$Undiaphanousness.SubString(51750,3);.$Trafikflyene($Undiaphanousness)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4964
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 2620
    3⤵
    - Program crash
    PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4964 -ip 4964
1⤵
PID:2168

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_czbo2nas.ezf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Rouilles\Effektiviseret.Dia

Filesize
50KB

MD5
fd91c54cfd0dc5ffb898c8c6f497eb88

SHA1
c4ffcd13c0a7e9bf4811c19d969cdd6adae83926

SHA256
d947ac7f9b2519129e2352c38fef03524c8ea3abfccc968cee8fad3539508cd1

SHA512
7075cd28627540323a1212f677b4a8bff6945960e2ff71d6bcd4f4ea68db625b51017c9841fd1db06f156e327fcdc647391ae7d30af3a4fe60dd3be4083b0616

Download Submit
C:\Windows\SysWOW64\bores.lnk

Filesize
1KB

MD5
8596e5752ee687d758697fbeaafffefc

SHA1
42f4fa9a196c5f86250d6e2cee4ce5b28894d5f8

SHA256
1755bbecc5bd03844ffc5bc7f509e30bef2620540f5d3e0c70280d6546f6a150

SHA512
45d5715f413de60b0ae8b1eeee620661d11dcb5dce7ac480d5f7ffc8a69ff6e0fdd00ae349d9a1b2faab560e7a94ee2e600491f74d3317bb0715d876fa65f2f8

Download Submit
C:\Windows\yer.ini

Filesize
38B

MD5
e58f8a2dcf15a626bc785906a24d269a

SHA1
451f8692070432dbd0232c61631cb49874323fd7

SHA256
39b313e3f6e503de2657691e96235891834d12dab42957e62aea1c588c35bc83

SHA512
7c33aec2758c72eb727f156ca5946626409a1b2ad22a980801436acacac1bf05eac231a2a0cc2858d369a54cbfa3cafdbd449ce696bf6c8fcecfb53699a75bd3

Download Submit
memory/4964-87-0x0000000005CF0000-0x0000000006044000-memory.dmp

Filesize
3.3MB

Download
memory/4964-110-0x0000000006380000-0x00000000063CC000-memory.dmp

Filesize
304KB

Download
memory/4964-75-0x00000000053E0000-0x0000000005402000-memory.dmp

Filesize
136KB

Download
memory/4964-77-0x0000000005C80000-0x0000000005CE6000-memory.dmp

Filesize
408KB

Download
memory/4964-76-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/4964-68-0x0000000005470000-0x0000000005A98000-memory.dmp

Filesize
6.2MB

Download
memory/4964-67-0x0000000073370000-0x0000000073B20000-memory.dmp

Filesize
7.7MB

Download
memory/4964-66-0x0000000002CE0000-0x0000000002D16000-memory.dmp

Filesize
216KB

Download
memory/4964-109-0x0000000005030000-0x000000000504E000-memory.dmp

Filesize
120KB

Download
memory/4964-72-0x0000000073370000-0x0000000073B20000-memory.dmp

Filesize
7.7MB

Download
memory/4964-111-0x0000000006880000-0x0000000006916000-memory.dmp

Filesize
600KB

Download
memory/4964-112-0x0000000006830000-0x000000000684A000-memory.dmp

Filesize
104KB

Download
memory/4964-113-0x0000000006940000-0x0000000006962000-memory.dmp

Filesize
136KB

Download
memory/4964-114-0x0000000007B70000-0x0000000008114000-memory.dmp

Filesize
5.6MB

Download
memory/4964-65-0x000000007337E000-0x000000007337F000-memory.dmp

Filesize
4KB

Download
memory/4964-116-0x00000000087A0000-0x0000000008E1A000-memory.dmp

Filesize
6.5MB

Download
memory/4964-117-0x0000000073370000-0x0000000073B20000-memory.dmp

Filesize
7.7MB

Download

Analysis

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