stormkitty | beb4e718a61260ddfb99047fcfece07ff5a8d5712dea9740b34b57f87e4f63cc

General

Target

ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe
Size

479KB
MD5

ca408f5d31588de6bb9bb76d8394025d
SHA1

6d7d4f847f159ad471e641eef00880cc222a3ac5
SHA256

beb4e718a61260ddfb99047fcfece07ff5a8d5712dea9740b34b57f87e4f63cc
SHA512

5267d4f64b89ccd8bb069a2d91649bf4793399342477fbf57515f5a2cbba6094e823d2f080f16ca13b91865a12159e3f74f76f16ecfd828c42f8198ccbc16a84
SSDEEP

12288:l0Y9hZ0xfz1l/ux+XtnEQtHfvL9N9+I112b73:P2tzP/uxanJHL112bL

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/0x0008000000016bfc-7.dat	family_stormkitty
behavioral1/memory/1824-14-0x000000013F320000-0x000000013F370000-memory.dmp	family_stormkitty
behavioral1/memory/1824-19-0x0000000000860000-0x00000000008D4000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

Executes dropped EXE 3 IoCs

pid	Process
2100	hsscp.exe
1824	Polo.exe
1224	Process not Found

Loads dropped DLL 8 IoCs

pid	Process
2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe
2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
1224	Process not Found

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

Web Service

T1102

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	2100	WerFault.exe	30

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	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hsscp.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1824	Polo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	Polo.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2100	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2100	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2100	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2100	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	30
PID 2076 wrote to memory of 1824	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	31
PID 2076 wrote to memory of 1824	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	31
PID 2076 wrote to memory of 1824	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	31
PID 2076 wrote to memory of 1824	2076	ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe	31
PID 2100 wrote to memory of 2216	2100	hsscp.exe	32
PID 2100 wrote to memory of 2216	2100	hsscp.exe	32
PID 2100 wrote to memory of 2216	2100	hsscp.exe	32
PID 2100 wrote to memory of 2216	2100	hsscp.exe	32

C:\Users\Admin\AppData\Local\Temp\ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Roaming\hsscp.exe
  C:\Users\Admin\AppData\Roaming\hsscp.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 536
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2216
- C:\Users\Admin\AppData\Roaming\Polo.exe
  C:\Users\Admin\AppData\Roaming\Polo.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1824

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabAC39.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAC5B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
309KB

MD5
4813614a3144b6be136f35ac592bda06

SHA1
1bbe7a993fdf7daf2497785beb10e95c8f9c2cc1

SHA256
85e65021df1039c606f9a1b71581a2c829a2617a05e5366033ac92d5597b1ee9

SHA512
859259889c07c03b525b97c239f6db2370a485d8b2e8f244e457d5a77c9ace9fe2ba7831b0106b04bd34eb6b9c5c2ea47e365445461a1bf47ae1d6d2699f3b9e

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

Filesize
380KB

MD5
b88a964682e3c51a958b0b4e1c344404

SHA1
be5b6d51a7ce314fbcf56376968b8c0c3ba0965f

SHA256
8fad80310d1dce2cda4b9fea04cd75aeec42b0164a9ba5632adb1f0bd729b41d

SHA512
b3df0b55dc48f8f87f4662313174657c1084887e46d387a8891310039d03cffcbc75283eebca8460d8259b4398bd58d8dba36bec820c31c1a4a7e8726381c0b1

Download Submit
memory/1824-19-0x0000000000860000-0x00000000008D4000-memory.dmp

Filesize
464KB

Download
memory/1824-14-0x000000013F320000-0x000000013F370000-memory.dmp

Filesize
320KB

Download
memory/1824-21-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/1824-22-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Filesize
9.9MB

Download
memory/1824-26-0x000007FEF5B03000-0x000007FEF5B04000-memory.dmp

Filesize
4KB

Download
memory/1824-27-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Filesize
9.9MB

Download
memory/1824-12-0x000007FEF5B03000-0x000007FEF5B04000-memory.dmp

Filesize
4KB

Download
memory/2100-13-0x0000000000310000-0x0000000000374000-memory.dmp

Filesize
400KB

Download
memory/2100-11-0x00000000741DE000-0x00000000741DF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing