isrstealer | 6be2e789944d80ec9bd38c47409d28c2cd5780d92a1c2a5033e898cc5a421876

General

Target

2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe
Size

352KB
MD5

2e2269e8d4c3a268fafd3f798c123a34
SHA1

4f2b474b20ddd19fb8882ea43bcc27975f4e21ad
SHA256

6be2e789944d80ec9bd38c47409d28c2cd5780d92a1c2a5033e898cc5a421876
SHA512

b7d2b4e6f83bd7477642da1c13810fba2c9b230a884b1ac1913defa7ebf6e43bad062861757cd3750b5d52ee6c77e4c90b8fbc1ccd57bf79447701e50b0bb218
SSDEEP

6144:TecMcsQ2GsTUA2UOo2Jc4aCEQ+IDW6PIXTb6on:TLMcsQ2GsTUA2UOo2Jc4aCEQ+56PIXZn

Score

10^/10

isrstealer spyware stealer trojan

Malware Config

Signatures

ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
trojan stealer isrstealer

ISR Stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2080-15-0x0000000000400000-0x0000000000414000-memory.dmp	family_isrstealer
behavioral1/memory/2080-12-0x0000000000400000-0x0000000000414000-memory.dmp	family_isrstealer
behavioral1/memory/2080-30-0x0000000000400000-0x0000000000414000-memory.dmp	family_isrstealer

Executes dropped EXE 2 IoCs

Processes:

svchost.execoddy.exe

pid process

2080 svchost.exe
1656 coddy.exe
Loads dropped DLL 2 IoCs

Processes:

2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe

pid process

3064 2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe
3064 2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe

description pid process target process

PID 3064 set thread context of 2080 3064 2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

svchost.exe

pid process

2080 svchost.exe
2080 svchost.exe
2080 svchost.exe
2080 svchost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

2080 svchost.exe

pid	process
2080	svchost.exe
1656	coddy.exe

pid	process
3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe
3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe

description	pid	process	target process
PID 3064 set thread context of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe

pid	process
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe

pid	process
2080	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe

description	pid	process	target process
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 2080	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	svchost.exe
PID 3064 wrote to memory of 1656	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	coddy.exe
PID 3064 wrote to memory of 1656	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	coddy.exe
PID 3064 wrote to memory of 1656	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	coddy.exe
PID 3064 wrote to memory of 1656	3064	2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe	coddy.exe

C:\Users\Admin\AppData\Local\Temp\2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e2269e8d4c3a268fafd3f798c123a34_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2080
- C:\Users\Admin\AppData\Local\Temp\coddy.exe
  "C:\Users\Admin\AppData\Local\Temp\coddy.exe"
  2⤵
  - Executes dropped EXE
  PID:1656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\coddy.exe

Filesize
66KB

MD5
a429f89aef3c7a88885cb6dcaa0cf19c

SHA1
5f7a396c8a5a99c3d4acc8197010a14360f6cfd0

SHA256
9fefa991d85df855faadaaa60fb7a6e8339b80fc6059367b759630982d13a644

SHA512
100084ba81e2968a6515d0ab297330a5f4e9ac334ee5253eb2a7b3bb765676b39aec5598625132620d91196cc5fcd13a71744b005230becbb7999290c949d9ed

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2080-15-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2080-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2080-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2080-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2080-30-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3064-0-0x0000000074821000-0x0000000074822000-memory.dmp

Filesize
4KB

Download
memory/3064-1-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/3064-2-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/3064-28-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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