stormkitty | dd6f0b9730529cfe145d5585eccfb6c68510758d16ffd02043bd1fe73842ee1b

Resubmissions

07/11/2024, 16:29

241107-tzeqvawbpe 10

07/11/2024, 06:54

241107-hpd6sazqap 10

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/11/2024, 16:29

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General

Target

78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe
Size

118KB
MD5

95c93ba88cbebbf97fa7aec965dac908
SHA1

d71ca71cdcf375b7f55cf26d66e5f4b2b387bec4
SHA256

78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6
SHA512

4bddaca540dc9ea0039a735d254e4a30b06cd5a24dc696bcc9820126b00eae57977d80ffc3528e3c92b9981dbd241276132616e29ccf47a6adc044d65258f64a
SSDEEP

3072:QjPR+2iJ6Cr/B+PHbsVLK3usN9bAeiLZU6pmoXX1:K+2i7/B+gMec9bdg

Score

10^/10

stormkitty discovery stealer

Malware Config

Signatures

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral9/memory/2588-1-0x0000000000C80000-0x0000000000CA2000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

Deletes itself 1 IoCs

pid	Process
2964	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
8	raw.githubusercontent.com
9	raw.githubusercontent.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1260	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
992	taskkill.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe
Token: SeDebugPrivilege	992	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2964	2588	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe	32
PID 2588 wrote to memory of 2964	2588	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe	32
PID 2588 wrote to memory of 2964	2588	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe	32
PID 2588 wrote to memory of 2964	2588	78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe	32
PID 2964 wrote to memory of 1212	2964	cmd.exe	34
PID 2964 wrote to memory of 1212	2964	cmd.exe	34
PID 2964 wrote to memory of 1212	2964	cmd.exe	34
PID 2964 wrote to memory of 1212	2964	cmd.exe	34
PID 2964 wrote to memory of 992	2964	cmd.exe	35
PID 2964 wrote to memory of 992	2964	cmd.exe	35
PID 2964 wrote to memory of 992	2964	cmd.exe	35
PID 2964 wrote to memory of 992	2964	cmd.exe	35
PID 2964 wrote to memory of 1260	2964	cmd.exe	36
PID 2964 wrote to memory of 1260	2964	cmd.exe	36
PID 2964 wrote to memory of 1260	2964	cmd.exe	36
PID 2964 wrote to memory of 1260	2964	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe
"C:\Users\Admin\AppData\Local\Temp\78ae7a93d9e328b6e2c05b730df6384b3da3afe8674be983c19116d1457da7b6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpD81D.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpD81D.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1212
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 2588
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:992
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
dfd529a13f9a5cc45b9d4cde3092e2ac

SHA1
ad06e46671a8a0b571b67d9ef784498adbd0f74d

SHA256
2ab9de0d2b0ade90048b497828966ae80faf5960a050c40792148dbb6c710c0f

SHA512
c368e9e907eb78cf0bb2fd6e23b652e35834e44d16ded636b5bc863b7632411cffaa96481ff6623dd71fb90670dde4e3d2a466a62928dff96de8067fc34c7110

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAD61.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAD83.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD81D.tmp.bat

Filesize
171B

MD5
e55c91983cc8bdfec3057011b1869b81

SHA1
a60846fdc465110e37c6afdb9497abee7e477eb1

SHA256
af8b2e1b27ee04afe8b7f88fc31d4efd39e304ffbd1442a99e719a98ccc04f74

SHA512
0f6b4a3dbbe4cb3c6bafc1e71115f112190d9ba1f51d58649639e11b4fbf0a5293ca9051e47f5d3ec8337ac11f99feb54b6150b28a3b7e39d6e38eea3e9b600d

Download Submit
memory/2588-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2588-1-0x0000000000C80000-0x0000000000CA2000-memory.dmp

Filesize
136KB

Download
memory/2588-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2588-99-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2588-100-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2588-103-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download