e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065

Analysis

max time kernel
71s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 05:44

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General

Target

e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe
Size

21KB
MD5

05326bd441313c30b467c51d7447caf4
SHA1

27498a4efc268ec03c362f0e8bb4fa308c8c12d6
SHA256

e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065
SHA512

de8ff64281152b5012b6424a0a96ac6eaa1c7ca7fea6a49f1eaa326ed3c682322be3e1a30ee9fe10ae5ccbdc4cfb9cbc4cf6a65a51da584ad89388d1609564f3
SSDEEP

384:Wpr9sOcIp6wRcsSYLvKWLWbstQTid6HJyraXkqdkJ7PNWoVNaNJawcudoD7U5Ov:2mOhplcsHvKWzX6HJmFqda7kounbcuy1

Score

8^/10

evasion spyware stealer upx

Malware Config

Signatures

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
1492	attrib.exe
1752	attrib.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1280-59-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1280-60-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\wincs	attrib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 1888	1280	e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe	28
PID 1280 wrote to memory of 1888	1280	e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe	28
PID 1280 wrote to memory of 1888	1280	e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe	28
PID 1280 wrote to memory of 1888	1280	e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe	28
PID 1888 wrote to memory of 1492	1888	cmd.exe	30
PID 1888 wrote to memory of 1492	1888	cmd.exe	30
PID 1888 wrote to memory of 1492	1888	cmd.exe	30
PID 1888 wrote to memory of 1492	1888	cmd.exe	30
PID 1888 wrote to memory of 1752	1888	cmd.exe	31
PID 1888 wrote to memory of 1752	1888	cmd.exe	31
PID 1888 wrote to memory of 1752	1888	cmd.exe	31
PID 1888 wrote to memory of 1752	1888	cmd.exe	31

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1752	attrib.exe
1492	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe
"C:\Users\Admin\AppData\Local\Temp\e873a3a14271572ef5baf50e831b2973dc946b7168f395e3e48b54c3e7e70065.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\EBD6.tmp\system.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\SysWOW64\attrib.exe
    attrib C:\Windows\wincs +h +s +r
    3⤵
    - Sets file to hidden
    - Drops file in Windows directory
    - Views/modifies file attributes
    PID:1492
- - C:\Windows\SysWOW64\attrib.exe
    attrib C:\pass +h +s +r
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\EBD6.tmp\system.bat

Filesize
1KB

MD5
dcfda0bc015ba87324e5f3360090c610

SHA1
90b59e326a1c62b26f57006de8b3f7568d84425d

SHA256
56c6ff1030d3364e0481f759b396ef6df203c370e108bbf9b0fb60d2e93e5e4d

SHA512
c7bd92be055be4f70a9cd62d49eb250229b30f7c0911918cef63993857a3d9e249a74b78ecd2c722442a6c30638dafc019e8bbd1b99b67ceb1d20c83f416e900

Download Submit
memory/1280-54-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/1280-59-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1280-60-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads