stormkitty | d4d1c5c9fddc6680f979f4f1e78812bfb13153ca2718dd210e775cc835386582

General

Target

3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe
Size

1.7MB
MD5

3c147e4cad850c360e9fba39d4471685
SHA1

9e84e0ecf8c63f964b8b040197df8f70cb81f1dc
SHA256

d4d1c5c9fddc6680f979f4f1e78812bfb13153ca2718dd210e775cc835386582
SHA512

03f10b9fddea6e97a10b7ce88e2daccb0294843ddc0ea7cc6e2fe83cb6a90ee39d838cee7551c4cf94e924869bc7e9d203575ca9483774bb8228458e25d3fde9
SSDEEP

49152:tiS1UQRIOFrzqV0zL3puF6e1PRKSIs9Mn5sJM2JAgxgly0:MS1UQRHFrk0361PRKS7xTJruv

Score

10^/10

stormkitty discovery stealer

Malware Config

Signatures

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

StormKitty payload 3 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012119-1.dat	family_stormkitty
behavioral1/memory/2556-13-0x000000013F2C0000-0x000000013F310000-memory.dmp	family_stormkitty
behavioral1/memory/2556-18-0x0000000000770000-0x00000000007E4000-memory.dmp	family_stormkitty

Executes dropped EXE 3 IoCs

pid	Process
2556	StormKittyBuild.exe
2548	WotBruteSBcracked_boxed.exe
1188	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe
2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
6	raw.githubusercontent.com
7	raw.githubusercontent.com
10	raw.githubusercontent.com
11	raw.githubusercontent.com

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
4	ip-api.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 2 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	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WotBruteSBcracked_boxed.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2556	StormKittyBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	WotBruteSBcracked_boxed.exe
Token: SeDebugPrivilege	2556	StormKittyBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2556	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2556	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2556	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2556	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2548	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	31
PID 2908 wrote to memory of 2548	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	31
PID 2908 wrote to memory of 2548	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	31
PID 2908 wrote to memory of 2548	2908	3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c147e4cad850c360e9fba39d4471685_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Roaming\StormKittyBuild.exe
  C:\Users\Admin\AppData\Roaming\StormKittyBuild.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2556
- C:\Users\Admin\AppData\Roaming\WotBruteSBcracked_boxed.exe
  C:\Users\Admin\AppData\Roaming\WotBruteSBcracked_boxed.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabF356.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF369.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\WotBruteSBcracked_boxed.exe

Filesize
3.9MB

MD5
be079a3a510082fd2f1a482d81a960a5

SHA1
60a87bf062da45678cf011dd093e8b80985fcad4

SHA256
bf2a9b6812b8f2433178b23f61dea16ecbba93dedc52775cc652eaa6a26c365b

SHA512
b9bb702e58523dc1fa3416855a12e0834a3b3b0b71fc95087420e6911797f8479605113512ed642d0158a6f53cee12bb03ac13e64a433b02e899c538d57d8427

Download Submit
\Users\Admin\AppData\Roaming\StormKittyBuild.exe

Filesize
309KB

MD5
4813614a3144b6be136f35ac592bda06

SHA1
1bbe7a993fdf7daf2497785beb10e95c8f9c2cc1

SHA256
85e65021df1039c606f9a1b71581a2c829a2617a05e5366033ac92d5597b1ee9

SHA512
859259889c07c03b525b97c239f6db2370a485d8b2e8f244e457d5a77c9ace9fe2ba7831b0106b04bd34eb6b9c5c2ea47e365445461a1bf47ae1d6d2699f3b9e

Download Submit
memory/2548-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-36-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2548-15-0x0000000077500000-0x0000000077501000-memory.dmp

Filesize
4KB

Download
memory/2548-16-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2548-17-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2548-40-0x0000000002750000-0x0000000002790000-memory.dmp

Filesize
256KB

Download
memory/2548-25-0x0000000000640000-0x0000000000668000-memory.dmp

Filesize
160KB

Download
memory/2548-35-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2548-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-28-0x0000000002750000-0x0000000002790000-memory.dmp

Filesize
256KB

Download
memory/2556-30-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

Filesize
4KB

Download
memory/2556-27-0x0000000002550000-0x00000000025D0000-memory.dmp

Filesize
512KB

Download
memory/2556-26-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2556-13-0x000000013F2C0000-0x000000013F310000-memory.dmp

Filesize
320KB

Download
memory/2556-37-0x0000000002550000-0x00000000025D0000-memory.dmp

Filesize
512KB

Download
memory/2556-18-0x0000000000770000-0x00000000007E4000-memory.dmp

Filesize
464KB

Download
memory/2556-6-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

Filesize
4KB

Download
memory/2908-11-0x0000000002940000-0x00000000029F2000-memory.dmp

Filesize
712KB

Download

Analysis

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