b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 07:35

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General

Target

b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe
Size

96KB
MD5

53f18daeda79bc8c217feee567f80020
SHA1

afcd30e00e25e56e2a5c41c1517dbca69188bc17
SHA256

b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e
SHA512

41aa7f914182f77e131f8338e406ff6d41a6db26a4d50aee5057c5dbc062824301bb993ab1a2ea1e2b6952e9f2f79d13b17a88547e88acbabb525755e883e206
SSDEEP

1536:larCEP0GxCxYEWDuQ4XRrzIqOR7LGwCeBRm:0pCxYV4VIVxC+

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1080	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.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

pid	Process
1752	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1080	2032	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe	28
PID 2032 wrote to memory of 1080	2032	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe	28
PID 2032 wrote to memory of 1080	2032	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe	28
PID 2032 wrote to memory of 1080	2032	b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe	28
PID 1080 wrote to memory of 1752	1080	cmd.exe	30
PID 1080 wrote to memory of 1752	1080	cmd.exe	30
PID 1080 wrote to memory of 1752	1080	cmd.exe	30
PID 1080 wrote to memory of 1752	1080	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe
"C:\Users\Admin\AppData\Local\Temp\b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b7ddbe738e6bd207be18e1c952aec467dff90d828e99a70946e8973bcb1d397e.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1080
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1752

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/2032-56-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

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