e6557f9c50233007a4eef28a54017e0052d511da2e9170e68c87532131d25aae

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 03:35

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General

Target

Uninstall.exe
Size

62KB
MD5

29f0f324b768eb010d87a47e027b3e70
SHA1

419be293b9ff59e114fb55d8e8701f78066e053b
SHA256

35c51add1ca10d624e871df527af21055af029c7e2e4746bb239096af52dc238
SHA512

589fb83f929608b71aa87080ff4a7f206b605c329b3eb082676fc75dff6617698e192a785107a4bce6bf6b9d4abc3a7d4bd7715fd991570b8ad04778e71a6114
SSDEEP

1536:RTdm9B9lYypfMXvugHQ0DbLiNuMgdLeAyNxWpNUT7H:R4lLpkXGED3iNuMceA9I7H

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2208	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
1928	Uninstall.exe
2208	Un_A.exe
2208	Un_A.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
2208	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2208	1928	Uninstall.exe	28
PID 1928 wrote to memory of 2208	1928	Uninstall.exe	28
PID 1928 wrote to memory of 2208	1928	Uninstall.exe	28
PID 1928 wrote to memory of 2208	1928	Uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2208

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\nsy2C01.tmp\System.dll

Filesize
11KB

MD5
a4dd044bcd94e9b3370ccf095b31f896

SHA1
17c78201323ab2095bc53184aa8267c9187d5173

SHA256
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

SHA512
87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a

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\Users\Admin\AppData\Local\Temp\nsy2C01.tmp\UserInfo.dll

Filesize
4KB

MD5
b98f45a83c1d09132e1e4ada1387a6f8

SHA1
9f0a343ec5060b269d36fe1045cff14185f15d1b

SHA256
23661a4b1f3d6744fcdd1b2379e5e602e6cf6bd5950b2d19b844527b2f626e99

SHA512
cb446acd93c4dd79e81b920075a7055140b27d3e83b43ad899736a0d37e709974b27c5340a4b864e3b41714523dd4daee07b506a2c40b36f9b9d05fdd5cc2612

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\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
62KB

MD5
29f0f324b768eb010d87a47e027b3e70

SHA1
419be293b9ff59e114fb55d8e8701f78066e053b

SHA256
35c51add1ca10d624e871df527af21055af029c7e2e4746bb239096af52dc238

SHA512
589fb83f929608b71aa87080ff4a7f206b605c329b3eb082676fc75dff6617698e192a785107a4bce6bf6b9d4abc3a7d4bd7715fd991570b8ad04778e71a6114

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