7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55

Analysis

max time kernel
119s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
30/01/2021, 10:22

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General

Target
7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe
Size 1.1MB
Sample210130-3a78qa9nkn
SHA256 7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55
MD5 aae6e0f64cea15be3860bd16ae1f0eb1
SHA1 78636faee8a3737a005f471e30243f69e891a6e4
SHA512 50511aa8baf46e5786d07231e6647034214ad99607f7bba7115b8004d076a87c3892f2259c485f6e3f29a418341abd0aea5f70adb0f3eeb7ddcd5e5ed6f86a8b
MD5 SHA1 SHA512

Score

5^/10

ransomware

Malware Config

Signatures

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

System Information Discovery
T1082

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3084 set thread context of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1356	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe
1356	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 3372	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	78
PID 3084 wrote to memory of 3372	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	78
PID 3084 wrote to memory of 3372	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	78
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80
PID 3084 wrote to memory of 1356	3084	7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe	80

C:\Users\Admin\AppData\Local\Temp\7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe
"C:\Users\Admin\AppData\Local\Temp\7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZZPBJeYeY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp42F5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3372
- C:\Users\Admin\AppData\Local\Temp\7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe
  "C:\Users\Admin\AppData\Local\Temp\7bc776827635569c621a48c8be905f2f04de9c663ddea305e12d62f5b558fb55.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1356-25-0x0000000005EC0000-0x0000000005EC1000-memory.dmp

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memory/1356-24-0x00000000053B0000-0x00000000053B1000-memory.dmp

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memory/1356-23-0x0000000005460000-0x0000000005461000-memory.dmp

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memory/1356-18-0x0000000073940000-0x000000007402E000-memory.dmp

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memory/1356-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3084-7-0x0000000005790000-0x0000000005791000-memory.dmp

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memory/3084-12-0x0000000006530000-0x00000000065D3000-memory.dmp

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memory/3084-11-0x0000000003380000-0x0000000003383000-memory.dmp

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memory/3084-10-0x0000000005990000-0x0000000005991000-memory.dmp

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memory/3084-9-0x0000000003330000-0x0000000003331000-memory.dmp

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memory/3084-8-0x0000000005A00000-0x0000000005A01000-memory.dmp

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memory/3084-2-0x0000000073940000-0x000000007402E000-memory.dmp

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memory/3084-6-0x0000000005C90000-0x0000000005C91000-memory.dmp

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memory/3084-5-0x00000000056F0000-0x00000000056F1000-memory.dmp

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memory/3084-3-0x0000000000D40000-0x0000000000D41000-memory.dmp

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