e8f18a59a3c4a7b9d8f00c203d1c3cecb8b2353d79ba6546e78084796e36f56f

Resubmissions

23-02-2024 14:34

240223-rxp3paca7y 7

25-01-2024 16:04

240125-th1a8abbek 10

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:04

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General

Target

Uninstall.exe
Size

177KB
MD5

c44e21287691aa027e367101defaff7a
SHA1

06db2c3e6c67860d1c05c6b26b7ffd326d0983d3
SHA256

87e90ea06dcba7d18f8ee71d4b6890d75a11fdfa8dc66eb78c19a816cc2e17ee
SHA512

d372ab9ed470354545cb91719d88aa4cba55d653fbf302e2517b2074f55af00b66a1a4dd64f2f8c54e3ddaae16b912bc4e7c86e66fca4041a93efa7cdf0de165
SSDEEP

3072:Fde3GHdi4uoF8cGVIhf6DJzRZBYDp0GS1YH29jXUsZkIpiXz7KRcA:Fgsd4DJXIHgTpiD4

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

2420 Un_A.exe
Loads dropped DLL 3 IoCs

Processes:

Uninstall.exeUn_A.exe

pid process

2996 Uninstall.exe
2420 Un_A.exe
2420 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2420	Un_A.exe

pid	process
2996	Uninstall.exe
2420	Un_A.exe
2420	Un_A.exe

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Un_A.exe

pid process

2420 Un_A.exe

pid	process
2420	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Uninstall.exe

description	pid	process	target process
PID 2996 wrote to memory of 2420	2996	Uninstall.exe	Un_A.exe
PID 2996 wrote to memory of 2420	2996	Uninstall.exe	Un_A.exe
PID 2996 wrote to memory of 2420	2996	Uninstall.exe	Un_A.exe
PID 2996 wrote to memory of 2420	2996	Uninstall.exe	Un_A.exe

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:2996

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:2420

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\nsi5909.tmp\UserInfo.dll
Filesize
4KB

MD5
acbda33dd5700c122e2fe48e3d4351fd

SHA1
2c154baf7c64052ee712b7cdf9c36b7697dd3fc8

SHA256
943b33829f9013e4d361482a5c8981ba20a7155c78691dbe02a8f8cd2a02efa0

SHA512
d090adf65a74ac5b910b18bb67e989714335e7b4778cd771cff154d7186351a1bebbc7103cca849bdfa2709c991947ffff6c1d8fdf16a74f4dfb614bce3ff6fd

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\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Filesize
177KB

MD5
c44e21287691aa027e367101defaff7a

SHA1
06db2c3e6c67860d1c05c6b26b7ffd326d0983d3

SHA256
87e90ea06dcba7d18f8ee71d4b6890d75a11fdfa8dc66eb78c19a816cc2e17ee

SHA512
d372ab9ed470354545cb91719d88aa4cba55d653fbf302e2517b2074f55af00b66a1a4dd64f2f8c54e3ddaae16b912bc4e7c86e66fca4041a93efa7cdf0de165

Download Submit