bitrat | 7d57902ed9cc59fc539984a27e96e6310b42f1cd3ae1206c0d3505ab0d062f1f

Analysis

max time kernel
151s
max time network
149s
platform
windows10_x64
resource
win10-en-20211104
submitted
01-12-2021 11:00

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General

Target

purchase order01102.exe
Size

2.0MB
MD5

17fcd17f51b96a5a41684dd09a629c05
SHA1

4d83fd286f31a1b0b387423d0e8fce90da16bfd9
SHA256

7d57902ed9cc59fc539984a27e96e6310b42f1cd3ae1206c0d3505ab0d062f1f
SHA512

ba167809ec29183d55acb306a7ef8c41d2284914b0fbbd918b28c4a8587f640c20d12954884c354552de0464b6b34c4cd1ffd76aa737a72a7d90af4b3b0b468c

Score

10^/10

bitrat xenarmor collection password recovery spyware stealer 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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2784-131-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat
behavioral2/memory/2784-132-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat

XenArmor Suite
XenArmor is as suite of password recovery tools for various application.
recovery password xenarmor
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 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Unknown.dll	acprotect
\Users\Admin\AppData\Local\Temp\Unknown.dll	acprotect

Executes dropped EXE 2 IoCs

Processes:

BULRFPZi.exeBULRFPZi.exe

pid process

1416 BULRFPZi.exe
1648 BULRFPZi.exe

pid	process
1416	BULRFPZi.exe
1648	BULRFPZi.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2784-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2784-131-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2784-132-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1416-133-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral2/memory/1416-137-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral2/memory/1416-141-0x0000000000400000-0x00000000008DC000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

BULRFPZi.exe

pid process

1648 BULRFPZi.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
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1648	BULRFPZi.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

BULRFPZi.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	BULRFPZi.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

vbc.exe

pid process

2784 vbc.exe
2784 vbc.exe
2784 vbc.exe
2784 vbc.exe
2784 vbc.exe

pid	process
2784	vbc.exe
2784	vbc.exe
2784	vbc.exe
2784	vbc.exe
2784	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

purchase order01102.exevbc.exeBULRFPZi.exe

description	pid	process	target process
PID 4024 set thread context of 2784	4024	purchase order01102.exe	vbc.exe
PID 2784 set thread context of 1416	2784	vbc.exe	BULRFPZi.exe
PID 1416 set thread context of 1648	1416	BULRFPZi.exe	BULRFPZi.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

purchase order01102.exeBULRFPZi.exe

pid process

4024 purchase order01102.exe
4024 purchase order01102.exe
1648 BULRFPZi.exe
1648 BULRFPZi.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

purchase order01102.exevbc.exeBULRFPZi.exe

description pid process

Token: SeDebugPrivilege 4024 purchase order01102.exe
Token: SeShutdownPrivilege 2784 vbc.exe
Token: SeDebugPrivilege 1648 BULRFPZi.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

vbc.exe

pid process

2784 vbc.exe
2784 vbc.exe

pid	process
4024	purchase order01102.exe
4024	purchase order01102.exe
1648	BULRFPZi.exe
1648	BULRFPZi.exe

description	pid	process
Token: SeDebugPrivilege	4024	purchase order01102.exe
Token: SeShutdownPrivilege	2784	vbc.exe
Token: SeDebugPrivilege	1648	BULRFPZi.exe

pid	process
2784	vbc.exe
2784	vbc.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

purchase order01102.exevbc.exeBULRFPZi.exe

description	pid	process	target process
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 4024 wrote to memory of 2784	4024	purchase order01102.exe	vbc.exe
PID 2784 wrote to memory of 1408	2784	vbc.exe	vbc.exe
PID 2784 wrote to memory of 1408	2784	vbc.exe	vbc.exe
PID 2784 wrote to memory of 1408	2784	vbc.exe	vbc.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 2784 wrote to memory of 1416	2784	vbc.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe
PID 1416 wrote to memory of 1648	1416	BULRFPZi.exe	BULRFPZi.exe

C:\Users\Admin\AppData\Local\Temp\purchase order01102.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order01102.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
-a "C:\Users\Admin\AppData\Local\6f0db29b\plg\BULRFPZi.json"
3⤵
PID:1408

C:\Users\Admin\AppData\Local\Temp\BULRFPZi.exe
-a "C:\Users\Admin\AppData\Local\6f0db29b\plg\BULRFPZi.json"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1416

C:\Users\Admin\AppData\Local\Temp\BULRFPZi.exe
-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\6f0db29b\plg\BULRFPZi.json
MD5
77e6621fd939338d3f19f3dd948ecf43

SHA1
53df8b3a76c5d6c35a99aa7759ff3bd7ec46588c

SHA256
9cb90c1d5c31396519b1f6c73899c062b6ccbd9a8cfc7c0bb054fe88c7825867

SHA512
6e812be4c3b958f0497f91e0eb2e8b77d4a13e2b7af750a30ec9bff3dde09a233b5510ee6333a9ab3182c11ab6c3d38789921d517449c6a03164e216cee43c4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\BULRFPZi.exe
MD5
ca42e05f9d53c7ec9383307c1ea282bb

SHA1
ed0efa1b59b461dcda08121a39411bee72f6b4cb

SHA256
63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

SHA512
4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

Download Submit
C:\Users\Admin\AppData\Local\Temp\BULRFPZi.exe
MD5
ca42e05f9d53c7ec9383307c1ea282bb

SHA1
ed0efa1b59b461dcda08121a39411bee72f6b4cb

SHA256
63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

SHA512
4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

Download Submit
C:\Users\Admin\AppData\Local\Temp\BULRFPZi.exe
MD5
ca42e05f9d53c7ec9383307c1ea282bb

SHA1
ed0efa1b59b461dcda08121a39411bee72f6b4cb

SHA256
63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

SHA512
4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

Download Submit
C:\Users\Admin\AppData\Local\Temp\License.XenArmor
MD5
4f3bde9212e17ef18226866d6ac739b6

SHA1
732733bec8314beb81437e60876ffa75e72ae6cd

SHA256
212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

SHA512
10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

Download Submit
C:\Users\Admin\AppData\Local\Temp\License.XenArmor
MD5
bf5da170f7c9a8eae88d1cb1a191ff80

SHA1
dd1b991a1b03587a5d1edc94e919a2070e325610

SHA256
e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd

SHA512
9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Unknown.dll
MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
C:\Users\Admin\AppData\Local\Temp\unk.xml
MD5
77e6621fd939338d3f19f3dd948ecf43

SHA1
53df8b3a76c5d6c35a99aa7759ff3bd7ec46588c

SHA256
9cb90c1d5c31396519b1f6c73899c062b6ccbd9a8cfc7c0bb054fe88c7825867

SHA512
6e812be4c3b958f0497f91e0eb2e8b77d4a13e2b7af750a30ec9bff3dde09a233b5510ee6333a9ab3182c11ab6c3d38789921d517449c6a03164e216cee43c4f

Download Submit
\Users\Admin\AppData\Local\Temp\Unknown.dll
MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
memory/1416-134-0x00000000008D9FE0-mapping.dmp

Download
memory/1416-137-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/1416-141-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/1416-133-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/1648-146-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1648-142-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1648-139-0x00000000006FC1D0-mapping.dmp

Download
memory/1648-138-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2784-128-0x00000000007E2730-mapping.dmp

Download
memory/2784-131-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2784-129-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2784-130-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2784-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2784-132-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4024-126-0x0000000009330000-0x0000000009562000-memory.dmp

Filesize
2.2MB

Download
memory/4024-125-0x0000000009190000-0x0000000009191000-memory.dmp

Filesize
4KB

Download
memory/4024-124-0x0000000005C70000-0x0000000005C76000-memory.dmp

Filesize
24KB

Download
memory/4024-123-0x0000000005A30000-0x0000000005A31000-memory.dmp

Filesize
4KB

Download
memory/4024-118-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/4024-122-0x0000000005800000-0x0000000005CFE000-memory.dmp

Filesize
5.0MB

Download
memory/4024-121-0x00000000058C0000-0x00000000058C1000-memory.dmp

Filesize
4KB

Download
memory/4024-120-0x0000000005D00000-0x0000000005D01000-memory.dmp

Filesize
4KB

Download