229cf857de85eeaabb8da5f771a98b83b7903f21e97c4000aa96c15ce6e92efe

Analysis

max time kernel
127s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02-06-2023 05:46

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General

Target

StreamShellExt-1.0.exe
Size

230KB
MD5

f73fb4ff1953b3f43ecb09d58b3852b4
SHA1

f2ab2158c87fd073129a549073f5fbe40a5b83c0
SHA256

229cf857de85eeaabb8da5f771a98b83b7903f21e97c4000aa96c15ce6e92efe
SHA512

2bf8cead522ab1a4f4e88e3112927a6052ce0f98905504a3465629399a82ceba516345fab0458c471dd4452b131340db40e94de9c52ce932a6e2dadaaaeb5afe
SSDEEP

3072:xcmVWD5ltbmP3Q7yYeqgKJ+BCxXasbJrHo6f5mmbiVGO7IL3NWma3qUW/VH0pBd5:2mJIvgK1Bbm6QZlILdamH0p2PEB

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1748	StreamShellExt-1.0.exe
1748	StreamShellExt-1.0.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1748	StreamShellExt-1.0.exe

C:\Users\Admin\AppData\Local\Temp\StreamShellExt-1.0.exe
"C:\Users\Admin\AppData\Local\Temp\StreamShellExt-1.0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:1748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsyD5C.tmp\System.dll

Filesize
11KB

MD5
959ea64598b9a3e494c00e8fa793be7e

SHA1
40f284a3b92c2f04b1038def79579d4b3d066ee0

SHA256
03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

SHA512
5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

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\Users\Admin\AppData\Local\Temp\nsyD5C.tmp\nsDialogs.dll

Filesize
9KB

MD5
f7b92b78f1a00a872c8a38f40afa7d65

SHA1
872522498f69ad49270190c74cf3af28862057f2

SHA256
2bee549b2816ba29f81c47778d9e299c3a364b81769e43d5255310c2bd146d6e

SHA512
3ad6afa6269b48f238b48cf09eeefdef03b58bab4e25282c8c2887b4509856cf5cbb0223fbb06c822fb745aeea000dd1eee878df46ad0ba7f2ef520a7a607f79

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