stormkitty | 4b25fa167392d8e4365d2f3c787db1c974ccb8fd13d2ad1099b69db1f62c03f7

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2025 03:40

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General

Target

4b25fa167392d8e4365d2f3c787db1c974ccb8fd13d2ad1099b69db1f62c03f7.exe
Size

107KB
MD5

9034080ecb301060a2a69519198c3211
SHA1

6c504419d9f1085aefee87ade0300fdd59e5c66a
SHA256

4b25fa167392d8e4365d2f3c787db1c974ccb8fd13d2ad1099b69db1f62c03f7
SHA512

f69967ec3dd0009f5950397a979a2eb4a52a11c62799d89c33abf05c4dfa8542e9c9b3a43a66a631a235f6728522ba373fd15227097d28cc887705474cd75428
SSDEEP

3072:g+RZk7QEyRiBaIOWQ7sR9bGpxReUbpMD:fRZk7DZ8u9bY

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
behavioral2/memory/2128-1-0x0000000000BA0000-0x0000000000BC0000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

Downloads MZ/PE file 1 IoCs

flow	pid	Process
49	3968	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
3156	setup.exe
2396	setup.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
20	ip-api.com

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\or.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\oneds.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\webview2_integration.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Internal.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\hi.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\da.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\eu.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Extensions\external_extensions.json	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\learning_tools.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\lo.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\VisualElements\SmallLogoCanary.png	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\d3dcompiler_47.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\edge_game_assist\EdgeGameAssist.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\elevation_service.exe	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\canary.identity_helper.exe.manifest	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ur.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge_pwa_launcher.exe	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Canary.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msvcp140_codecvt_ids.dll	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\settings.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Temp\source3156_1837866321\MSEDGE.7z	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\concrt140.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Dev.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\el.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\mi.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\pt-PT.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\bs.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\microsoft_shell_integration.dll	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ca-Es-VALENCIA.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\qu.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\uk.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Temp\source3156_1837866321\msedge_7z.data	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\id.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\cookie_exporter.exe	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\dual_engine_adapter_x64.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\tt.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\WidevineCdm\manifest.json	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\elevated_tracing_service.exe	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\resources.pri	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\en-US.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sr.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\mip_core.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\fr-CA.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\dxil.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\Staging	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\vk_swiftshader.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\es.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ko.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\th.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\zh-CN.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Mu\Fingerprinting	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\edge_feedback\camera_mf_trace.wprp	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\eventlog_provider.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\hr.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\show_third_party_software_licenses.bat	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\telclient.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\v8_context_snapshot.bin	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\nn.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\133.0.3065.59.manifest	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\dxcompiler.dll	setup.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3076	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	4b25fa167392d8e4365d2f3c787db1c974ccb8fd13d2ad1099b69db1f62c03f7.exe
Token: 33	3156	setup.exe
Token: SeIncBasePriorityPrivilege	3156	setup.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 3156	1772	MicrosoftEdge_X64_133.0.3065.59.exe	103
PID 1772 wrote to memory of 3156	1772	MicrosoftEdge_X64_133.0.3065.59.exe	103
PID 3156 wrote to memory of 2396	3156	setup.exe	104
PID 3156 wrote to memory of 2396	3156	setup.exe	104

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\4b25fa167392d8e4365d2f3c787db1c974ccb8fd13d2ad1099b69db1f62c03f7.exe
"C:\Users\Admin\AppData\Local\Temp\4b25fa167392d8e4365d2f3c787db1c974ccb8fd13d2ad1099b69db1f62c03f7.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2128

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Njk5NDU2Mzc0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3076

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\MicrosoftEdge_X64_133.0.3065.59.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\EDGEMITMP_83E3A.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\EDGEMITMP_83E3A.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3156
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\EDGEMITMP_83E3A.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\EDGEMITMP_83E3A.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\EDGEMITMP_83E3A.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff74f406a68,0x7ff74f406a74,0x7ff74f406a80
    3⤵
    - Executes dropped EXE
    PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{9BA50E04-04BB-4675-80F1-D5E666DE5656}\EDGEMITMP_83E3A.tmp\setup.exe

Filesize
6.8MB

MD5
1b3e9c59f9c7a134ec630ada1eb76a39

SHA1
a7e831d392e99f3d37847dcc561dd2e017065439

SHA256
ce78ccfb0c9cdb06ea61116bc57e50690650b6b5cf37c1aebfb30c19458ee4ae

SHA512
c0e50410dc92d80ff7bc854907774fc551564e078a8d38ca6421f15cea50282c25efac4f357b52b066c4371f9b8d4900fa8122dd80ab06ecbd851c6e049f7a3e

Download Submit
memory/2128-0-0x00007FF881E63000-0x00007FF881E65000-memory.dmp

Filesize
8KB

Download
memory/2128-1-0x0000000000BA0000-0x0000000000BC0000-memory.dmp

Filesize
128KB

Download
memory/2128-2-0x00007FF881E60000-0x00007FF882921000-memory.dmp

Filesize
10.8MB

Download
memory/2128-3-0x00007FF881E63000-0x00007FF881E65000-memory.dmp

Filesize
8KB

Download
memory/2128-4-0x00007FF881E60000-0x00007FF882921000-memory.dmp

Filesize
10.8MB

Download