4d67058746e6da0dbc186166ea9239b2549bdd40d1d16fc4125c1a8c65fdc188

Analysis

max time kernel
131s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03/05/2024, 21:34

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General

Target

4d67058746e6da0dbc186166ea9239b2549bdd40d1d16fc4125c1a8c65fdc188.exe
Size

466KB
MD5

138f999c13685a126f4beda2706db481
SHA1

164add112a94b28dc55a6fc5150eeaa6130b7f54
SHA256

4d67058746e6da0dbc186166ea9239b2549bdd40d1d16fc4125c1a8c65fdc188
SHA512

473fd2a2c954c0074af3ff455ac9b488e9cbc384e0680169ad644b365e228d431aa16a856abd72d14eb6d4a73e1a48e142944afbaf3944cf0af1ed146eb2d27d
SSDEEP

6144:744b7czqmlKa08qvFsRcIk0NLtS1WkrFdxqbEuIGPeRje:E4fiQvlvy3LtCWuboEyB

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/1004-0-0x0000000000400000-0x000000000045F000-memory.dmp	UPX
behavioral2/files/0x0009000000022aae-4.dat	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
4748	sptomnk.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1004-0-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral2/files/0x0009000000022aae-4.dat	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\sptomnk.exe	4d67058746e6da0dbc186166ea9239b2549bdd40d1d16fc4125c1a8c65fdc188.exe
File created	C:\PROGRA~3\Mozilla\flpbyfh.dll	sptomnk.exe

C:\Users\Admin\AppData\Local\Temp\4d67058746e6da0dbc186166ea9239b2549bdd40d1d16fc4125c1a8c65fdc188.exe
"C:\Users\Admin\AppData\Local\Temp\4d67058746e6da0dbc186166ea9239b2549bdd40d1d16fc4125c1a8c65fdc188.exe"
1⤵
- Drops file in Program Files directory
PID:1004

C:\PROGRA~3\Mozilla\sptomnk.exe
C:\PROGRA~3\Mozilla\sptomnk.exe -qleonwm
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:4748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Mozilla\sptomnk.exe

Filesize
466KB

MD5
2a1510bae350a83f7ea61592832fdf36

SHA1
7c2d8c3da0d9affeb240ebd581bcd5695a93b42e

SHA256
a0babc8f0bd31bd31f4fd0cc799acfeedc0fba227ffeebb79664f09287fc1496

SHA512
98f9238e337e5954e9d75bf8335f9861b79b82688a1c3e317d86479743a572069cc8c557cfbbee97f5d1ef34c1f2e14f089a45d3c65736e252d5ed61a3c38c62

Download Submit
memory/1004-0-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1004-1-0x00000000021F0000-0x000000000224B000-memory.dmp

Filesize
364KB

Download
memory/1004-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1004-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1004-11-0x00000000021F0000-0x000000000224B000-memory.dmp

Filesize
364KB

Download
memory/4748-6-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4748-10-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4748-9-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4748-13-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download