610301aed845d5cf63c54e871c568f1b09ed5c4f697b804033f77384ca212d7c

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 01:34

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General

Target

Uninstall.exe
Size

97KB
MD5

cccc2861df1e815479010c83d00a4a07
SHA1

db249055eee9b57b4693058e261464db9b875b15
SHA256

90accc2cf4599bd756359242d94ecf81e44b0c19320c816f091f1a7ba381490f
SHA512

3a0bcf9a94912f3c84c816cd3ad68403de812f8f2fc1bbe353921cf9de62788eebf46fcb378098d4e3fecea81a4804e2000c262215ae4692524f2e9d038c7581
SSDEEP

3072:bBkfJpRXATwMdFCcyceAApIbxXTdxp7ZMsycG:bqjIMmAG57ZMsw

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

2824 Un_A.exe
Loads dropped DLL 3 IoCs

Processes:

Uninstall.exeUn_A.exe

pid process

1884 Uninstall.exe
2824 Un_A.exe
2824 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2824	Un_A.exe

pid	process
1884	Uninstall.exe
2824	Un_A.exe
2824	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

2824 Un_A.exe

pid	process
2824	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Uninstall.exe

description	pid	process	target process
PID 1884 wrote to memory of 2824	1884	Uninstall.exe	Un_A.exe
PID 1884 wrote to memory of 2824	1884	Uninstall.exe	Un_A.exe
PID 1884 wrote to memory of 2824	1884	Uninstall.exe	Un_A.exe
PID 1884 wrote to memory of 2824	1884	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:1884

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:2824

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\nso118F.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
97KB

MD5
cccc2861df1e815479010c83d00a4a07

SHA1
db249055eee9b57b4693058e261464db9b875b15

SHA256
90accc2cf4599bd756359242d94ecf81e44b0c19320c816f091f1a7ba381490f

SHA512
3a0bcf9a94912f3c84c816cd3ad68403de812f8f2fc1bbe353921cf9de62788eebf46fcb378098d4e3fecea81a4804e2000c262215ae4692524f2e9d038c7581

Download Submit