bitrat | 5d0970ca455fd58945e13f996aaf77a66a7468d0927a3cfd41cbd22b20d13cdc

General

Target

Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe
Size

836KB
MD5

53873b761c0fd3af78b4bcd0107f4a0b
SHA1

ee8e55e742670d4c7888ee9f5d06a6d9e92c4ef4
SHA256

5d0970ca455fd58945e13f996aaf77a66a7468d0927a3cfd41cbd22b20d13cdc
SHA512

31e57363ad2be1d7d6a0202d347e1b0bd4d9a08be36c2ab057187608f920f3471359b51e07baeb65e3a4445f028d3076db886f7956feaa4b53dda826f6280129

Score

10^/10

bitrat modiloader persistence suricata trojan upx

Malware Config

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

BitRAT Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4008-130-0x0000000010410000-0x00000000107F4000-memory.dmp	family_bitrat

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Program Files (x86)\Internet Explorer\Unknown.dll	acprotect
\Program Files (x86)\Internet Explorer\Unknown.dll	acprotect
\Program Files (x86)\Internet Explorer\Unknown.dll	acprotect

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4008-130-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/2108-134-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral2/memory/2108-138-0x0000000000400000-0x00000000008DC000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

ieinstal.exe

pid process

1136 ieinstal.exe
1136 ieinstal.exe

pid	process
1136	ieinstal.exe
1136	ieinstal.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ouiojce = "C:\\Users\\Public\\Libraries\\ecjoiuO.url"	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

ieinstal.exe

pid process

4008 ieinstal.exe
4008 ieinstal.exe
4008 ieinstal.exe
4008 ieinstal.exe
4008 ieinstal.exe

pid	process
4008	ieinstal.exe
4008	ieinstal.exe
4008	ieinstal.exe
4008	ieinstal.exe
4008	ieinstal.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exeieinstal.exe

description	pid	process	target process
PID 4008 set thread context of 2108	4008	ieinstal.exe	ieinstal.exe
PID 2108 set thread context of 1136	2108	ieinstal.exe	ieinstal.exe

Drops file in Program Files directory 25 IoCs

Processes:

ieinstal.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-conio-l1-1-0_not.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-filesystem-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-multibyte-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-utility-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\mozglue.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\Unknown.dll	ieinstal.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\External	ieinstal.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\Unknown.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-locale-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-runtime-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-stdio-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\msvcp140.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\softokn3.dll	ieinstal.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\License.XenArmor	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-convert-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-heap-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-math-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-time-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\freebl3.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\nss3.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\vcruntime140.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\License.XenArmor	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-string-l1-1-0.dll	ieinstal.exe
File created	C:\Program Files (x86)\Internet Explorer\External\ComponentsExt\api-ms-win-crt-environment-l1-1-0.dll	ieinstal.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

2540 reg.exe
2800 reg.exe
3560 reg.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ieinstal.exe

description pid process

Token: SeShutdownPrivilege 4008 ieinstal.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ieinstal.exe

pid process

4008 ieinstal.exe
4008 ieinstal.exe

pid	process
2540	reg.exe
2800	reg.exe
3560	reg.exe

description	pid	process
Token: SeShutdownPrivilege	4008	ieinstal.exe

pid	process
4008	ieinstal.exe
4008	ieinstal.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.execmd.execmd.execmd.exeieinstal.exeieinstal.exe

description	pid	process	target process
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 4008	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	ieinstal.exe
PID 3132 wrote to memory of 2764	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	cmd.exe
PID 3132 wrote to memory of 2764	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	cmd.exe
PID 3132 wrote to memory of 2764	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	cmd.exe
PID 2764 wrote to memory of 1556	2764	cmd.exe	cmd.exe
PID 2764 wrote to memory of 1556	2764	cmd.exe	cmd.exe
PID 2764 wrote to memory of 1556	2764	cmd.exe	cmd.exe
PID 1556 wrote to memory of 2540	1556	cmd.exe	reg.exe
PID 1556 wrote to memory of 2540	1556	cmd.exe	reg.exe
PID 1556 wrote to memory of 2540	1556	cmd.exe	reg.exe
PID 1556 wrote to memory of 2800	1556	cmd.exe	reg.exe
PID 1556 wrote to memory of 2800	1556	cmd.exe	reg.exe
PID 1556 wrote to memory of 2800	1556	cmd.exe	reg.exe
PID 1556 wrote to memory of 1916	1556	cmd.exe	schtasks.exe
PID 1556 wrote to memory of 1916	1556	cmd.exe	schtasks.exe
PID 1556 wrote to memory of 1916	1556	cmd.exe	schtasks.exe
PID 3132 wrote to memory of 3272	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	cmd.exe
PID 3132 wrote to memory of 3272	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	cmd.exe
PID 3132 wrote to memory of 3272	3132	Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe	cmd.exe
PID 3272 wrote to memory of 3560	3272	cmd.exe	reg.exe
PID 3272 wrote to memory of 3560	3272	cmd.exe	reg.exe
PID 3272 wrote to memory of 3560	3272	cmd.exe	reg.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 4008 wrote to memory of 2108	4008	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe
PID 2108 wrote to memory of 1136	2108	ieinstal.exe	ieinstal.exe

C:\Users\Admin\AppData\Local\Temp\Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe
"C:\Users\Admin\AppData\Local\Temp\Ouiojcejoyugnzyrllxqhjgpjgtmcpzvnp.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3132

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4008

C:\Program Files (x86)\Internet Explorer\ieinstal.exe
-a "C:\Users\Admin\AppData\Local\7777eee1\plg\pegV5EE9.json"
3⤵
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2108

C:\Program Files (x86)\Internet Explorer\ieinstal.exe
-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
4⤵
- Loads dropped DLL
PID:1136

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:2540

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:2800

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:1916

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3272

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:3560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Internet Explorer\Unknown.dll
MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
C:\Users\Admin\AppData\Local\7777eee1\plg\pegV5EE9.json
MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
\Program Files (x86)\Internet Explorer\Unknown.dll
MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
\Program Files (x86)\Internet Explorer\Unknown.dll
MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
memory/1136-146-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1136-139-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1136-140-0x00000000006FC1D0-mapping.dmp

Download
memory/1556-122-0x0000000000000000-mapping.dmp

Download
memory/1916-126-0x0000000000000000-mapping.dmp

Download
memory/2108-135-0x00000000008D9FE0-mapping.dmp

Download
memory/2108-138-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/2108-134-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/2540-124-0x0000000000000000-mapping.dmp

Download
memory/2764-120-0x0000000000000000-mapping.dmp

Download
memory/2800-125-0x0000000000000000-mapping.dmp

Download
memory/3132-115-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/3272-131-0x0000000000000000-mapping.dmp

Download
memory/3560-133-0x0000000000000000-mapping.dmp

Download
memory/4008-130-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4008-129-0x0000000002A10000-0x0000000002A11000-memory.dmp

Filesize
4KB

Download
memory/4008-127-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/4008-128-0x00000000027B0000-0x00000000027B1000-memory.dmp

Filesize
4KB

Download
memory/4008-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads