fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621

General

Target

fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe
Size

646KB
MD5

e372ae48f6c86c7491a89876df42aa4d
SHA1

04da90d9bf4af0778b27c6f5f8890096ffd7061a
SHA256

fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621
SHA512

38c15bb091d79f52a5952fa757581b9a3dedcba39effaa81cc6c75739386a8bd0f8c8cb5d8c0be9d54c66dd4d48341360687c8ee0673f31a73476a089991c22d
SSDEEP

12288:YltuKOcMKJ/TI+oeGuL9JaLNvsNP6L/Dm6Vp2qBZznT4OkfG:AOo/c+oeGuROtaPyCU2yZz0OmG

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
1672	powershell.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\fibrinogenically\cooking.tro	fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe
File opened for modification	C:\Windows\resources\Plasmodesm.kim	fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.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
2140	1672	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 2 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	fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 1672	1168	fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe	89
PID 1168 wrote to memory of 1672	1168	fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe	89
PID 1168 wrote to memory of 1672	1168	fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe	89

C:\Users\Admin\AppData\Local\Temp\fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe
"C:\Users\Admin\AppData\Local\Temp\fdaaef3df184431dac7f489471ec9de34d4dff895ef7b04be85eb40117477621.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$underchin=Get-Content 'C:\Users\Admin\AppData\Local\Temp\Opnormptr21\Disbosom.Try';$Sammenrodende=$underchin.SubString(1622,3);.$Sammenrodende($underchin) "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 2720
    3⤵
    - Program crash
    PID:2140

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3796,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=4368 /prefetch:8
1⤵
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1672 -ip 1672
1⤵
PID:4608

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\Opnormptr21\Disbosom.Try

Filesize
71KB

MD5
9c1808a41ca83c980b936edea869ae73

SHA1
6d699e3d8708e34c30bad7baf8e2759b0abd0343

SHA256
e123d34d921929fee761fa967c2aa9508d5f328ecc4eb96d1ada999760281e68

SHA512
2886be6a632f3860cdeab6470de7ea7b866e4e9ac635f998ad822df6d71aa9cf4f96db428a10ed9208abd33f20872d081f2c8883d32ea9d3f4425ef5d5548e11

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q0nmewgr.0fo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1672-10-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1672-25-0x0000000006550000-0x000000000659C000-memory.dmp

Filesize
304KB

Download
memory/1672-6-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/1672-11-0x0000000005460000-0x0000000005482000-memory.dmp

Filesize
136KB

Download
memory/1672-12-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/1672-13-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/1672-8-0x0000000005750000-0x0000000005D78000-memory.dmp

Filesize
6.2MB

Download
memory/1672-23-0x0000000005F80000-0x00000000062D4000-memory.dmp

Filesize
3.3MB

Download
memory/1672-24-0x0000000006530000-0x000000000654E000-memory.dmp

Filesize
120KB

Download
memory/1672-9-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1672-26-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/1672-27-0x0000000006A50000-0x0000000006A6A000-memory.dmp

Filesize
104KB

Download
memory/1672-28-0x0000000006AA0000-0x0000000006AC2000-memory.dmp

Filesize
136KB

Download
memory/1672-29-0x0000000007B10000-0x00000000080B4000-memory.dmp

Filesize
5.6MB

Download
memory/1672-7-0x0000000002F60000-0x0000000002F96000-memory.dmp

Filesize
216KB

Download
memory/1672-31-0x0000000008740000-0x0000000008DBA000-memory.dmp

Filesize
6.5MB

Download
memory/1672-32-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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