76dc9781cba6d404b709f3b50f6d1fc4a9028ed13bb44df20fee6aa97429e759

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 18:02

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General

Target

Uninstall.exe
Size

98KB
MD5

c7980b746b65bb560eedc436c61cc631
SHA1

c22b3053db2bd827655ee7a96610dbba7474f57e
SHA256

641d44938b8e9c068af8328bf6234a3b2fb6e2a2e4a551b5ebc18bd35f9d92c3
SHA512

169afdf9626490e303198670709670a45f07ce828f4ecc95a96c5530a072d0fdfa69a541d832de58e24f2a6f352dd4d82b06bdabae19ac785c06d5091fe8f481
SSDEEP

1536:AAuU2UTyxtFdkJ3sBCGMKHL3zkTtYYiU4BSSxyFYcWHAt5SckPhSGetbk:Ak5+bFdkJ7HKHLD+6BSSxyFYHOSc6ae

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2300	A~NSISu_.exe

Loads dropped DLL 6 IoCs

pid	Process
2168	Uninstall.exe
2300	A~NSISu_.exe
2300	A~NSISu_.exe
2300	A~NSISu_.exe
2300	A~NSISu_.exe
2300	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral21/files/0x000b000000015a2d-8.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2300	A~NSISu_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2300	2168	Uninstall.exe	28
PID 2168 wrote to memory of 2300	2168	Uninstall.exe	28
PID 2168 wrote to memory of 2300	2168	Uninstall.exe	28
PID 2168 wrote to memory of 2300	2168	Uninstall.exe	28
PID 2168 wrote to memory of 2300	2168	Uninstall.exe	28
PID 2168 wrote to memory of 2300	2168	Uninstall.exe	28
PID 2168 wrote to memory of 2300	2168	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:2168
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2300

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\nso8078.tmp\ioSpecial.ini

Filesize
604B

MD5
18f674fd90df51b434d7462f36df4c7a

SHA1
a34a69a5804048315f64130f0cf6b719459b9aa3

SHA256
527327771aeccda05fbf1890f7f4c77627323cdb2ce33ea62fd4fe5edced4f4d

SHA512
b857c3819ff4e4153da18d9f3afab71d91359918d05c787522eeb2c64f0c3d79c4efc4556a1ed2b551b9fdcaeef25b7ed3cf7f5cf12302b88fb596efae0dcb0b

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\Users\Admin\AppData\Local\Temp\A~NSISu_.exe

Filesize
98KB

MD5
c7980b746b65bb560eedc436c61cc631

SHA1
c22b3053db2bd827655ee7a96610dbba7474f57e

SHA256
641d44938b8e9c068af8328bf6234a3b2fb6e2a2e4a551b5ebc18bd35f9d92c3

SHA512
169afdf9626490e303198670709670a45f07ce828f4ecc95a96c5530a072d0fdfa69a541d832de58e24f2a6f352dd4d82b06bdabae19ac785c06d5091fe8f481

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\Users\Admin\AppData\Local\Temp\nso8078.tmp\InstallOptions.dll

Filesize
12KB

MD5
57db62366ef11fdc47922a02031f0492

SHA1
6d30db5285b653025f94e74b9b045870dc0aeb7a

SHA256
2338752092918db8e068d55bea61f8cdeb9be37b6e6d30a730d9703b169b08b4

SHA512
d0257e02370863e07feb9346b88d87a102089f0c48aea13e069e55a14f0f6db51fb3d5f41ed5d2f39e36b612f4b6194a6b7c059709808bfb23ded89d0b0a3db5

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\Users\Admin\AppData\Local\Temp\nso8078.tmp\UserInfo.dll

Filesize
4KB

MD5
593345196fcd1c553b0702cc026ccccd

SHA1
84446849c10e0c4d6683072f4c2eea5a085bac2f

SHA256
fb4a4bea088b8dbf2adda6fdeb50be4b96bf20ba62bd9ac64b68ea628166a28d

SHA512
b28da01bec7a34a493316606c7406c06d0b278f1318563874f037caf203c2ec261c3f5c2a1790c6c177537bbb0f4dd0b7be482976f7114f70be75b5e4b311306

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads