redline | cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419

Analysis

max time kernel
147s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2023 19:42

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General

Target

cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe
Size

651KB
MD5

b2b93313828fc1191fd8e16ade789472
SHA1

4a031f85a239f022b6c5f5bcd22eccb14bec86d7
SHA256

cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419
SHA512

07abd362179ff42100928f878e00fc2e2a1fea8d72018001107587606b2fecc4e45b327bc5f8905d1bbfa9f0d6bd0159cce3f83fe7289d7614918a955ad3281d
SSDEEP

12288:my90Oqi/LAWEtJZP+2baOjgg8gW7/o0sxY2omQcxOjeYKIXJ0uM:my5qrWEtJZP1MSe2o5njJKIXuX

Score

10^/10

redline evasion infostealer persistence stealer trojan

Malware Config

Signatures

Detects Redline Stealer samples 1 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/4028-982-0x0000000007550000-0x0000000007B68000-memory.dmp	redline_stealer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	79209702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	79209702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	79209702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	79209702.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	79209702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	79209702.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Executes dropped EXE 3 IoCs

pid	Process
3976	st482980.exe
1616	79209702.exe
4028	kp576907.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	79209702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	79209702.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	st482980.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	st482980.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1616	79209702.exe
1616	79209702.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	79209702.exe
Token: SeDebugPrivilege	4028	kp576907.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3976	1940	cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe	85
PID 1940 wrote to memory of 3976	1940	cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe	85
PID 1940 wrote to memory of 3976	1940	cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe	85
PID 3976 wrote to memory of 1616	3976	st482980.exe	86
PID 3976 wrote to memory of 1616	3976	st482980.exe	86
PID 3976 wrote to memory of 1616	3976	st482980.exe	86
PID 3976 wrote to memory of 4028	3976	st482980.exe	91
PID 3976 wrote to memory of 4028	3976	st482980.exe	91
PID 3976 wrote to memory of 4028	3976	st482980.exe	91

C:\Users\Admin\AppData\Local\Temp\cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe
"C:\Users\Admin\AppData\Local\Temp\cf4fc504d12ff2e2333432048964a995c70358497fb61499fe02a55ae71c4419.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st482980.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st482980.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\79209702.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\79209702.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1616
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp576907.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp576907.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st482980.exe

Filesize
497KB

MD5
ab9a16bf75f698964dab7295e0a87b47

SHA1
71324767de6f6b7ee356bd9c87734879d9f230f3

SHA256
5d5473a7884020e87eb07c2f587d97599761decdf3c5566dd7c61529e203e030

SHA512
71c3704dd6c3ee13915a075395b6842e536a150205c2652271bbb6fc945c4c3d1f6a86c6fe470f23900e34c3b7d65e93525bc35d019d593a3e259ba8c95d1d9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st482980.exe

Filesize
497KB

MD5
ab9a16bf75f698964dab7295e0a87b47

SHA1
71324767de6f6b7ee356bd9c87734879d9f230f3

SHA256
5d5473a7884020e87eb07c2f587d97599761decdf3c5566dd7c61529e203e030

SHA512
71c3704dd6c3ee13915a075395b6842e536a150205c2652271bbb6fc945c4c3d1f6a86c6fe470f23900e34c3b7d65e93525bc35d019d593a3e259ba8c95d1d9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\79209702.exe

Filesize
175KB

MD5
a165b5f6b0a4bdf808b71de57bf9347d

SHA1
39a7b301e819e386c162a47e046fa384bb5ab437

SHA256
68349ed349ed7bbb9a279ac34ea4984206a1a1b3b73587fd1b109d55391af09a

SHA512
3dd6ca63a2aecb2a0599f0b918329e75b92eb5259d6986bd8d41cb8ebcf7b965bbd12786929d61743ae8613c2e180078f2eed2835ccb54378cd343c4a048c1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\79209702.exe

Filesize
175KB

MD5
a165b5f6b0a4bdf808b71de57bf9347d

SHA1
39a7b301e819e386c162a47e046fa384bb5ab437

SHA256
68349ed349ed7bbb9a279ac34ea4984206a1a1b3b73587fd1b109d55391af09a

SHA512
3dd6ca63a2aecb2a0599f0b918329e75b92eb5259d6986bd8d41cb8ebcf7b965bbd12786929d61743ae8613c2e180078f2eed2835ccb54378cd343c4a048c1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp576907.exe

Filesize
341KB

MD5
860467327539e06048e5bb5645805b96

SHA1
8e013c42d7ff559c94dd89487aedbfef9b0f9b5e

SHA256
87e91d93cdbf4b244f21c194b11ab4f3d3d70a973a78f48878d763279cfd433c

SHA512
8b0561ea8d884b125f1c35f83bca1615abed661ea828819d691818ead00bc67ea14ed731fe5ef0ac70a5f2c56d2205aaeaca21454cfb04b0614bb9eac707caeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp576907.exe

Filesize
341KB

MD5
860467327539e06048e5bb5645805b96

SHA1
8e013c42d7ff559c94dd89487aedbfef9b0f9b5e

SHA256
87e91d93cdbf4b244f21c194b11ab4f3d3d70a973a78f48878d763279cfd433c

SHA512
8b0561ea8d884b125f1c35f83bca1615abed661ea828819d691818ead00bc67ea14ed731fe5ef0ac70a5f2c56d2205aaeaca21454cfb04b0614bb9eac707caeb

Download Submit
memory/1616-147-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/1616-148-0x00000000049B0000-0x0000000004F54000-memory.dmp

Filesize
5.6MB

Download
memory/1616-149-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/1616-151-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-150-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-153-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-155-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-157-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-159-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-161-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-165-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-163-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-167-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-169-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-171-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-173-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-175-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-177-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/1616-178-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/1616-180-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/1616-179-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/4028-186-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-187-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-189-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-191-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-193-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-195-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-197-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-199-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-201-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-203-0x0000000000600000-0x0000000000646000-memory.dmp

Filesize
280KB

Download
memory/4028-204-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-205-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-208-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-207-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-210-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-211-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-213-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-215-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-217-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-219-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-221-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-223-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-225-0x0000000002520000-0x0000000002555000-memory.dmp

Filesize
212KB

Download
memory/4028-982-0x0000000007550000-0x0000000007B68000-memory.dmp

Filesize
6.1MB

Download
memory/4028-983-0x0000000007BC0000-0x0000000007BD2000-memory.dmp

Filesize
72KB

Download
memory/4028-984-0x0000000007BE0000-0x0000000007CEA000-memory.dmp

Filesize
1.0MB

Download
memory/4028-985-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-986-0x0000000007D00000-0x0000000007D3C000-memory.dmp

Filesize
240KB

Download
memory/4028-988-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-989-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-990-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/4028-991-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download