redline | ffdff2d87d032d30d6c3e794b6bc7b033d0cdf97a69ff32a563279e2844d3e13

Analysis

max time kernel
132s
max time network
150s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
10/02/2023, 10:37

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General

Target

file.exe
Size

783KB
MD5

f83ef0c72937a6c833bfe8d3511317e5
SHA1

5312837ca61166d8ad2998cc6d3a2b594165dec8
SHA256

ffdff2d87d032d30d6c3e794b6bc7b033d0cdf97a69ff32a563279e2844d3e13
SHA512

6abd653dee3659bcb38d9e72e5a1b56f5ecffa3a4b6372635e9198f6b42229b285648887af2ce04417856d34ef4ba19b0fab4dd256676f76f76f8a4e09cd066c
SSDEEP

12288:UMr1y90JGxs99q27rD9OQszK5NMh3u2HM9aoLokYkjwDMFyJaWDns:ZyEGxs9eQGl3xEC74FyAWQ

Score

10^/10

redline dubna evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubna

193.233.20.11:4131

Attributes

auth_value
f324b1269094b7462e56bab025f032f4

Signatures

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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	atn32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	atn32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	atn32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	atn32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	atn32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	atn32.exe

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

Executes dropped EXE 4 IoCs

pid	Process
1560	fxV11fe.exe
1392	faC80kI.exe
324	atn32.exe
1052	bvr38xq.exe

Loads dropped DLL 7 IoCs

pid	Process
1196	file.exe
1560	fxV11fe.exe
1560	fxV11fe.exe
1392	faC80kI.exe
1392	faC80kI.exe
1392	faC80kI.exe
1052	bvr38xq.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\Microsoft\Windows Defender\Features	atn32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	atn32.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	file.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\\\""	file.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	fxV11fe.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\\\""	fxV11fe.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	faC80kI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	faC80kI.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
324	atn32.exe
324	atn32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	atn32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1196 wrote to memory of 1560	1196	file.exe	27
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1560 wrote to memory of 1392	1560	fxV11fe.exe	28
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 324	1392	faC80kI.exe	29
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30
PID 1392 wrote to memory of 1052	1392	faC80kI.exe	30

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxV11fe.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxV11fe.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\faC80kI.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\faC80kI.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1392
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\atn32.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\atn32.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:324
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bvr38xq.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bvr38xq.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1052

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\fxV11fe.exe

Filesize
596KB

MD5
ac6fb170803555e15da3a1ba13cbc6d3

SHA1
66e210cb20912a8fb82cfbed0742541a41fcc25c

SHA256
d7339ecac493636fe5b4af1f418bff9a21f355d74d814391b115c7ff05dfd9ac

SHA512
c868f9e2cbd8fc1c68ce2156a1b91a5c65a0e7722a380f2dc0194d113acff4192d76289ce6513e05b6a0e85a0fcb2803e716cc0bc40d4095775c2a8191b704f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxV11fe.exe

Filesize
596KB

MD5
ac6fb170803555e15da3a1ba13cbc6d3

SHA1
66e210cb20912a8fb82cfbed0742541a41fcc25c

SHA256
d7339ecac493636fe5b4af1f418bff9a21f355d74d814391b115c7ff05dfd9ac

SHA512
c868f9e2cbd8fc1c68ce2156a1b91a5c65a0e7722a380f2dc0194d113acff4192d76289ce6513e05b6a0e85a0fcb2803e716cc0bc40d4095775c2a8191b704f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\faC80kI.exe

Filesize
202KB

MD5
afc0e8e01e2b88123841047710836075

SHA1
3566bb517e62d0bc0fa0d222f57afa8484b4c4bb

SHA256
0b770e8b3f94a5619f73d87065904a0aac0b53c6af95556e19f0c37a82c472bb

SHA512
d90f2ced0a2ed5f92b76cb95c0aeea456247034d843958e253a1d2f0de853a4e07d7c0237e4762802f1e1b73c8b637ac4445d9d16ec310eb483538be0fdce025

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\faC80kI.exe

Filesize
202KB

MD5
afc0e8e01e2b88123841047710836075

SHA1
3566bb517e62d0bc0fa0d222f57afa8484b4c4bb

SHA256
0b770e8b3f94a5619f73d87065904a0aac0b53c6af95556e19f0c37a82c472bb

SHA512
d90f2ced0a2ed5f92b76cb95c0aeea456247034d843958e253a1d2f0de853a4e07d7c0237e4762802f1e1b73c8b637ac4445d9d16ec310eb483538be0fdce025

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\atn32.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\atn32.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bvr38xq.exe

Filesize
175KB

MD5
ef8079cf160510d0da7162bc08f753d8

SHA1
e786cc8bee83e4a37433ddccf9d3540e1f6533fe

SHA256
a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6

SHA512
959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bvr38xq.exe

Filesize
175KB

MD5
ef8079cf160510d0da7162bc08f753d8

SHA1
e786cc8bee83e4a37433ddccf9d3540e1f6533fe

SHA256
a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6

SHA512
959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxV11fe.exe

Filesize
596KB

MD5
ac6fb170803555e15da3a1ba13cbc6d3

SHA1
66e210cb20912a8fb82cfbed0742541a41fcc25c

SHA256
d7339ecac493636fe5b4af1f418bff9a21f355d74d814391b115c7ff05dfd9ac

SHA512
c868f9e2cbd8fc1c68ce2156a1b91a5c65a0e7722a380f2dc0194d113acff4192d76289ce6513e05b6a0e85a0fcb2803e716cc0bc40d4095775c2a8191b704f7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxV11fe.exe

Filesize
596KB

MD5
ac6fb170803555e15da3a1ba13cbc6d3

SHA1
66e210cb20912a8fb82cfbed0742541a41fcc25c

SHA256
d7339ecac493636fe5b4af1f418bff9a21f355d74d814391b115c7ff05dfd9ac

SHA512
c868f9e2cbd8fc1c68ce2156a1b91a5c65a0e7722a380f2dc0194d113acff4192d76289ce6513e05b6a0e85a0fcb2803e716cc0bc40d4095775c2a8191b704f7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\faC80kI.exe

Filesize
202KB

MD5
afc0e8e01e2b88123841047710836075

SHA1
3566bb517e62d0bc0fa0d222f57afa8484b4c4bb

SHA256
0b770e8b3f94a5619f73d87065904a0aac0b53c6af95556e19f0c37a82c472bb

SHA512
d90f2ced0a2ed5f92b76cb95c0aeea456247034d843958e253a1d2f0de853a4e07d7c0237e4762802f1e1b73c8b637ac4445d9d16ec310eb483538be0fdce025

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\faC80kI.exe

Filesize
202KB

MD5
afc0e8e01e2b88123841047710836075

SHA1
3566bb517e62d0bc0fa0d222f57afa8484b4c4bb

SHA256
0b770e8b3f94a5619f73d87065904a0aac0b53c6af95556e19f0c37a82c472bb

SHA512
d90f2ced0a2ed5f92b76cb95c0aeea456247034d843958e253a1d2f0de853a4e07d7c0237e4762802f1e1b73c8b637ac4445d9d16ec310eb483538be0fdce025

Download Submit
\Users\Admin\AppData\Local\Temp\IXP002.TMP\atn32.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
\Users\Admin\AppData\Local\Temp\IXP002.TMP\bvr38xq.exe

Filesize
175KB

MD5
ef8079cf160510d0da7162bc08f753d8

SHA1
e786cc8bee83e4a37433ddccf9d3540e1f6533fe

SHA256
a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6

SHA512
959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

Download Submit
\Users\Admin\AppData\Local\Temp\IXP002.TMP\bvr38xq.exe

Filesize
175KB

MD5
ef8079cf160510d0da7162bc08f753d8

SHA1
e786cc8bee83e4a37433ddccf9d3540e1f6533fe

SHA256
a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6

SHA512
959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

Download Submit
memory/324-71-0x00000000000D0000-0x00000000000DA000-memory.dmp

Filesize
40KB

Download
memory/1052-78-0x00000000001B0000-0x00000000001E2000-memory.dmp

Filesize
200KB

Download
memory/1196-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download