strrat | 841594fe3e8400fc4162f73b0b1393c4903d0225f25c73277ba2ec442b8095ec

General

Target

New Order NO 4705008982 DTD.jar
Size

209KB
MD5

70c7e80f047ed2162aff41a46b770dd8
SHA1

6d02a11dba0bb998c5581bb4bec3ab2dcd02c646
SHA256

841594fe3e8400fc4162f73b0b1393c4903d0225f25c73277ba2ec442b8095ec
SHA512

6b875f1e6afeb46b413fef3fe34625b6e2ba83b2b9043a53eeeac53aa0694362a59b281e7b14bb3ab0630b199d208d56e1c9016d6f9e8e081d8ed5ff69c3c165
SSDEEP

6144:S8A8lJAHv//RZfeEzydRZ4V9DCHJuPPCVmyKx:S8plSHzWEi29DCH6mKx

Score

10^/10

strrat discovery stealer trojan

Malware Config

Extracted

Family

strrat

C2

tzitziklishop3.ddns.net:7800

103.114.104.158:7800

Attributes

license_id
DB1U-CVGT-7HUG-X0A0-GNWH
plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
scheduled_task
true
secondary_startup
true
startup
true

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3704 icacls.exe

pid	process
3704	icacls.exe

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

java.exe

description	pid	process	target process
PID 4360 wrote to memory of 3704	4360	java.exe	icacls.exe
PID 4360 wrote to memory of 3704	4360	java.exe	icacls.exe
PID 4360 wrote to memory of 2348	4360	java.exe	java.exe
PID 4360 wrote to memory of 2348	4360	java.exe	java.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\New Order NO 4705008982 DTD.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:4360

C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
2⤵
- Modifies file permissions
PID:3704

C:\Program Files\Java\jre-1.8\bin\java.exe
"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\New Order NO 4705008982 DTD.jar"
2⤵
- Drops file in Program Files directory
PID:2348

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
81c451fd727d1a1dbcc111e00009a0af

SHA1
0a0860fa7dcea6cecafb81a1d8232502f939f112

SHA256
add31fb0a412fdf72ce8b0946e97c59dd16d98312e6091f885ebbbe673f28443

SHA512
c9aab5d0021833a4babf52128d8263ea4ca65ed3b4bfb657776d1ca1f46c0e1a6277655a12df74c39286d4607af64738d2a604e274c10c565cbe636fc04dfc26

Download Submit
C:\Users\Admin\New Order NO 4705008982 DTD.jar
Filesize
209KB

MD5
70c7e80f047ed2162aff41a46b770dd8

SHA1
6d02a11dba0bb998c5581bb4bec3ab2dcd02c646

SHA256
841594fe3e8400fc4162f73b0b1393c4903d0225f25c73277ba2ec442b8095ec

SHA512
6b875f1e6afeb46b413fef3fe34625b6e2ba83b2b9043a53eeeac53aa0694362a59b281e7b14bb3ab0630b199d208d56e1c9016d6f9e8e081d8ed5ff69c3c165

Download Submit
C:\Users\Admin\lib\jna-5.5.0.jar
Filesize
1.4MB

MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\lib\jna-platform-5.5.0.jar
Filesize
2.6MB

MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
Filesize
4.1MB

MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

Download Submit
C:\Users\Admin\lib\system-hook-3.5.jar
Filesize
772KB

MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
memory/2348-123-0x0000023200000000-0x0000023201000000-memory.dmp

Filesize
16.0MB

Download
memory/2348-122-0x0000023200000000-0x0000023201000000-memory.dmp

Filesize
16.0MB

Download
memory/2348-116-0x000002327BC00000-0x000002327BC01000-memory.dmp

Filesize
4KB

Download
memory/2348-105-0x0000023200000000-0x0000023201000000-memory.dmp

Filesize
16.0MB

Download
memory/4360-50-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-94-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-65-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-66-0x0000017A377D0000-0x0000017A387D0000-memory.dmp

Filesize
16.0MB

Download
memory/4360-68-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-71-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-76-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-79-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-93-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-63-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-99-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-59-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-55-0x0000017A377D0000-0x0000017A387D0000-memory.dmp

Filesize
16.0MB

Download
memory/4360-53-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-4-0x0000017A377D0000-0x0000017A387D0000-memory.dmp

Filesize
16.0MB

Download
memory/4360-46-0x0000017A377D0000-0x0000017A387D0000-memory.dmp

Filesize
16.0MB

Download
memory/4360-34-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download
memory/4360-31-0x0000017A377D0000-0x0000017A387D0000-memory.dmp

Filesize
16.0MB

Download
memory/4360-18-0x0000017A377D0000-0x0000017A387D0000-memory.dmp

Filesize
16.0MB

Download
memory/4360-12-0x0000017A35F50000-0x0000017A35F51000-memory.dmp

Filesize
4KB

Download

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