826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7

Analysis

max time kernel
40s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:45

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General

Target

826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe
Size

26KB
MD5

53bafbf1c212e83b9b3ec578da5533f0
SHA1

97e835178f7f2372a4349b5a6dc01b5a2b547f9b
SHA256

826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7
SHA512

aadef6830b58e1236e14b62a92711fd8339ef5c7da0615ee38a19028bd45e5d53fa4f586f55c8ba948c9a3374ca677d3b6c8d1f0fd29977d7041ac2d3147d71f
SSDEEP

384:+iIdW+futXWKuG4mEOEEvXEIp6u7pxqiePgl9ffwQRu6KLx0Fq9:+iIdW+2FbZp626OAQVKLx0Fq9

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1056 cmd.exe

pid	process
1056	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe

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

System Information Discovery
T1082
Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery
T1057

Processes:

tasklist.exe

pid process

1092 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1092 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe

pid process

816 826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe

pid	process
1092	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1092	tasklist.exe

pid	process
816	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.execmd.exe

description	pid	process	target process
PID 816 wrote to memory of 1056	816	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe	cmd.exe
PID 816 wrote to memory of 1056	816	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe	cmd.exe
PID 816 wrote to memory of 1056	816	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe	cmd.exe
PID 816 wrote to memory of 1056	816	826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe	cmd.exe
PID 1056 wrote to memory of 1092	1056	cmd.exe	tasklist.exe
PID 1056 wrote to memory of 1092	1056	cmd.exe	tasklist.exe
PID 1056 wrote to memory of 1092	1056	cmd.exe	tasklist.exe
PID 1056 wrote to memory of 1092	1056	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe
"C:\Users\Admin\AppData\Local\Temp\826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del 826bc5c80e78729d514a6a757ff7ae6d44252e63a19966a0edced8a27a06acf7.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/816-56-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1056-57-0x0000000000000000-mapping.dmp

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memory/1092-58-0x0000000000000000-mapping.dmp

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