757ec042b67374c6c4b9d2d8f6a0cf6c7ce0657f01147cd3d8e57a3247f77813

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 06:51

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General

Target

free_kgb_setup_455.exe
Size

4.2MB
MD5

c6b626af5e74b2e93edb613edd3c562c
SHA1

3bd02cdb82f874407201e3e9ee1d4615ce8eebca
SHA256

7b22f04314c3851587d16b56348ccfee90c207df201c9bbef29a24d65406c221
SHA512

3828525e6699896c49aea16158da0c4671db133d4db042c0068a06dd5ce7a1dc74de9f38a0bf74cc6845b4a27c71ed8e25ca930bebd118ad0dd72ae27771727b
SSDEEP

98304:5ggRBQulQuLD3SM3+l5Jn7q8XTFgqxcNbWqURWhrlDcWSO/:pCul3LLSM3sNZXTFgqxwbrUR0rpcWj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3048	is-EN3S2.tmp

Loads dropped DLL 3 IoCs

pid	Process
1356	free_kgb_setup_455.exe
3048	is-EN3S2.tmp
3048	is-EN3S2.tmp

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
3048	is-EN3S2.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30
PID 1356 wrote to memory of 3048	1356	free_kgb_setup_455.exe	30

C:\Users\Admin\AppData\Local\Temp\free_kgb_setup_455.exe
"C:\Users\Admin\AppData\Local\Temp\free_kgb_setup_455.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\is-9U5TN.tmp\is-EN3S2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-9U5TN.tmp\is-EN3S2.tmp" /SL4 $60154 "C:\Users\Admin\AppData\Local\Temp\free_kgb_setup_455.exe" 4058740 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\is-9U5TN.tmp\is-EN3S2.tmp

Filesize
659KB

MD5
33f7ff58846f9d1c124e3b9f2f464c75

SHA1
edc52a13bf6f05edea30fac93afd46d6107d3d56

SHA256
d7a755b41a765b5e682ba9130b5d94857745de87787b0e87d012bc19a06f67ab

SHA512
b866964326a7063f2e0683d3a61ebfc13bb0b37c3d22afe4b627a2a16a860232ed34ddb7a6c61abdaffd39e39d4d4de0bbe3b7aabe0ccc615fbcaf474b1c4977

Download Submit
\Users\Admin\AppData\Local\Temp\is-NEJP5.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1356-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1356-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/1356-22-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3048-9-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3048-23-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download