e95e2e16abd42f380c142cdbc9b545cdb32076ffebc3021ba5e7503d6e292d35

Analysis

max time kernel
16s
max time network
118s
platform
windows10_x64
resource
win10v20210408
submitted
11/08/2021, 16:08

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General

Target
6924ee9d8e29ada9a98b783c50ae5263.exe
Size 180KB
Sample210811-6ftycbbjas
SHA256 e95e2e16abd42f380c142cdbc9b545cdb32076ffebc3021ba5e7503d6e292d35
MD5 6924ee9d8e29ada9a98b783c50ae5263
SHA1 b38a31a19d210c6c8a9b9f8c37bffb1877a38d14
SHA512 1753c9375e3d4c1f61d9c4b0a0ab13ab28d08c91779ad56c09ca26de274b500e2c2b5e9131c6b03d9bf2c3cf3be87ae74de1043325c120176d148e4d2207b0ff
MD5 SHA1 SHA512

Score

8^/10

discovery persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2508	8159035.exe
2692	3700701.exe
1196	WinHoster.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinHost = "C:\\Users\\Admin\\AppData\\Roaming\\WinHost\\WinHoster.exe"	3700701.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2600	2508	WerFault.exe	74

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2508	8159035.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe
2600	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	6924ee9d8e29ada9a98b783c50ae5263.exe
Token: SeDebugPrivilege	2508	8159035.exe
Token: SeDebugPrivilege	2600	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2508	996	6924ee9d8e29ada9a98b783c50ae5263.exe	74
PID 996 wrote to memory of 2508	996	6924ee9d8e29ada9a98b783c50ae5263.exe	74
PID 996 wrote to memory of 2692	996	6924ee9d8e29ada9a98b783c50ae5263.exe	76
PID 996 wrote to memory of 2692	996	6924ee9d8e29ada9a98b783c50ae5263.exe	76
PID 996 wrote to memory of 2692	996	6924ee9d8e29ada9a98b783c50ae5263.exe	76
PID 2692 wrote to memory of 1196	2692	3700701.exe	77
PID 2692 wrote to memory of 1196	2692	3700701.exe	77
PID 2692 wrote to memory of 1196	2692	3700701.exe	77

C:\Users\Admin\AppData\Local\Temp\6924ee9d8e29ada9a98b783c50ae5263.exe
"C:\Users\Admin\AppData\Local\Temp\6924ee9d8e29ada9a98b783c50ae5263.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Roaming\8159035.exe
  "C:\Users\Admin\AppData\Roaming\8159035.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2508
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2508 -s 2132
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2600
- C:\Users\Admin\AppData\Roaming\3700701.exe
  "C:\Users\Admin\AppData\Roaming\3700701.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
    "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
    3⤵
    - Executes dropped EXE
    PID:1196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/996-118-0x0000000001250000-0x0000000001251000-memory.dmp

Download

memory/996-127-0x00000000012E0000-0x00000000012E2000-memory.dmp

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memory/996-117-0x0000000001230000-0x000000000124E000-memory.dmp

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memory/996-114-0x0000000000C00000-0x0000000000C01000-memory.dmp

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memory/996-116-0x0000000001050000-0x0000000001051000-memory.dmp

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memory/1196-145-0x0000000005400000-0x0000000005401000-memory.dmp

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memory/1196-146-0x0000000007B00000-0x0000000007B01000-memory.dmp

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memory/2508-128-0x0000000001060000-0x0000000001061000-memory.dmp

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memory/2508-133-0x0000000002A30000-0x0000000002A32000-memory.dmp

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memory/2508-130-0x00000000010B0000-0x00000000010B1000-memory.dmp

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memory/2508-129-0x0000000001070000-0x00000000010A4000-memory.dmp

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memory/2508-122-0x0000000000920000-0x0000000000921000-memory.dmp

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memory/2692-131-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

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memory/2692-134-0x0000000001160000-0x0000000001167000-memory.dmp

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memory/2692-135-0x0000000007C70000-0x0000000007C71000-memory.dmp

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memory/2692-136-0x0000000007810000-0x0000000007811000-memory.dmp

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