bitrat | ccac95c8b3ec87ba50e8eaed511e9f1691c8efdded4368d63ab0740283905791

Analysis

max time kernel
27s
max time network
32s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
10-07-2023 13:09

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General

Target

immi.exe
Size

7.8MB
MD5

49c5906689498f487597cc1cb84e3a35
SHA1

338c319eeb28554df9aad957dd7f2676afb7e04e
SHA256

ccac95c8b3ec87ba50e8eaed511e9f1691c8efdded4368d63ab0740283905791
SHA512

f97f72ea65123b64f049404f26094249b8fffcf118d803aaddef0393cde67f15a603eb4a468cfc6f48b5eac345d48da1c7a5cde086ec7993adafd44474747c03
SSDEEP

196608:oIRcbH4jSteTGvIxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOf:odHsfuIxwZ6v1CPwDv3uFteg2EeJUO9E

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

xdjnibkfm366vswudhfwb5gaihqxkxvov7q6gv3fqcm3bw46b5rydsqd.onion:0

Attributes

communication_password
71d39b7aa9389d5c64a2440993bcfa3b
install_dir
Install path
install_file
Install name
tor_process
tor

Signatures

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

ACProtect 1.3x - 1.4x DLL software 14 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\92418aff\tor\libcrypto-1_1.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\libssl-1_1.dll	acprotect
C:\Users\Admin\AppData\Local\92418aff\tor\libssl-1_1.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\libwinpthread-1.dll	acprotect
C:\Users\Admin\AppData\Local\92418aff\tor\libwinpthread-1.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\libgcc_s_sjlj-1.dll	acprotect
C:\Users\Admin\AppData\Local\92418aff\tor\libgcc_s_sjlj-1.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\libevent-2-1-6.dll	acprotect
C:\Users\Admin\AppData\Local\92418aff\tor\libevent-2-1-6.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\libssp-0.dll	acprotect
C:\Users\Admin\AppData\Local\92418aff\tor\libssp-0.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\libcrypto-1_1.dll	acprotect
\Users\Admin\AppData\Local\92418aff\tor\zlib1.dll	acprotect
C:\Users\Admin\AppData\Local\92418aff\tor\zlib1.dll	acprotect

Executes dropped EXE 1 IoCs

Processes:

tor.exe

pid process

2068 tor.exe
Loads dropped DLL 9 IoCs

Processes:

immi.exetor.exe

pid process

1484 immi.exe
1484 immi.exe
2068 tor.exe
2068 tor.exe
2068 tor.exe
2068 tor.exe
2068 tor.exe
2068 tor.exe
2068 tor.exe

pid	process
2068	tor.exe

pid	process
1484	immi.exe
1484	immi.exe
2068	tor.exe
2068	tor.exe
2068	tor.exe
2068	tor.exe
2068	tor.exe
2068	tor.exe
2068	tor.exe

UPX packed file 27 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\92418aff\tor\tor.exe	upx
C:\Users\Admin\AppData\Local\92418aff\tor\tor.exe	upx
C:\Users\Admin\AppData\Local\92418aff\tor\tor.exe	upx
\Users\Admin\AppData\Local\92418aff\tor\tor.exe	upx
C:\Users\Admin\AppData\Local\92418aff\tor\libcrypto-1_1.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\libssl-1_1.dll	upx
C:\Users\Admin\AppData\Local\92418aff\tor\libssl-1_1.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\libwinpthread-1.dll	upx
C:\Users\Admin\AppData\Local\92418aff\tor\libwinpthread-1.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\libgcc_s_sjlj-1.dll	upx
C:\Users\Admin\AppData\Local\92418aff\tor\libgcc_s_sjlj-1.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\libevent-2-1-6.dll	upx
C:\Users\Admin\AppData\Local\92418aff\tor\libevent-2-1-6.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\libssp-0.dll	upx
C:\Users\Admin\AppData\Local\92418aff\tor\libssp-0.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\libcrypto-1_1.dll	upx
\Users\Admin\AppData\Local\92418aff\tor\zlib1.dll	upx
C:\Users\Admin\AppData\Local\92418aff\tor\zlib1.dll	upx
behavioral1/memory/2068-91-0x0000000000900000-0x0000000000D04000-memory.dmp	upx
behavioral1/memory/2068-93-0x0000000074930000-0x0000000074979000-memory.dmp	upx
behavioral1/memory/2068-94-0x0000000074310000-0x00000000743D8000-memory.dmp	upx
behavioral1/memory/2068-92-0x00000000743E0000-0x00000000746AF000-memory.dmp	upx
behavioral1/memory/2068-95-0x0000000074200000-0x000000007430A000-memory.dmp	upx
behavioral1/memory/2068-96-0x00000000748A0000-0x0000000074928000-memory.dmp	upx
behavioral1/memory/2068-97-0x0000000074130000-0x00000000741FE000-memory.dmp	upx
behavioral1/memory/2068-98-0x0000000074AE0000-0x0000000074B04000-memory.dmp	upx
behavioral1/memory/2068-99-0x0000000000900000-0x0000000000D04000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

immi.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Windows\CurrentVersion\Run\Install name = "C:\\Users\\Admin\\AppData\\Local\\Install path\\Install name"	immi.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

immi.exe

pid process

1484 immi.exe
1484 immi.exe
1484 immi.exe
1484 immi.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: RenamesItself 2 IoCs

Processes:

immi.exe

pid process

1484 immi.exe
1484 immi.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

immi.exe

description pid process

Token: SeDebugPrivilege 1484 immi.exe
Token: SeShutdownPrivilege 1484 immi.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

immi.exe

pid process

1484 immi.exe
1484 immi.exe

pid	process
1484	immi.exe
1484	immi.exe
1484	immi.exe
1484	immi.exe

pid	process
1484	immi.exe
1484	immi.exe

description	pid	process
Token: SeDebugPrivilege	1484	immi.exe
Token: SeShutdownPrivilege	1484	immi.exe

pid	process
1484	immi.exe
1484	immi.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

immi.exe

description	pid	process	target process
PID 1484 wrote to memory of 2068	1484	immi.exe	tor.exe
PID 1484 wrote to memory of 2068	1484	immi.exe	tor.exe
PID 1484 wrote to memory of 2068	1484	immi.exe	tor.exe
PID 1484 wrote to memory of 2068	1484	immi.exe	tor.exe

C:\Users\Admin\AppData\Local\Temp\immi.exe
"C:\Users\Admin\AppData\Local\Temp\immi.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Admin\AppData\Local\92418aff\tor\tor.exe
"C:\Users\Admin\AppData\Local\92418aff\tor\tor.exe" -f torrc
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\92418aff\tor\libcrypto-1_1.dll

Filesize
1.7MB

MD5
2384a02c4a1f7ec481adde3a020607d3

SHA1
7e848d35a10bf9296c8fa41956a3daa777f86365

SHA256
c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

SHA512
1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\libevent-2-1-6.dll

Filesize
366KB

MD5
099983c13bade9554a3c17484e5481f1

SHA1
a84e69ad9722f999252d59d0ed9a99901a60e564

SHA256
b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

SHA512
89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\libgcc_s_sjlj-1.dll

Filesize
286KB

MD5
b0d98f7157d972190fe0759d4368d320

SHA1
5715a533621a2b642aad9616e603c6907d80efc4

SHA256
2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

SHA512
41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\libssl-1_1.dll

Filesize
439KB

MD5
c88826ac4bb879622e43ead5bdb95aeb

SHA1
87d29853649a86f0463bfd9ad887b85eedc21723

SHA256
c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

SHA512
f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\libssp-0.dll

Filesize
88KB

MD5
2c916456f503075f746c6ea649cf9539

SHA1
fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

SHA256
cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

SHA512
1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\libwinpthread-1.dll

Filesize
188KB

MD5
d407cc6d79a08039a6f4b50539e560b8

SHA1
21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

SHA256
92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

SHA512
378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\tor.exe

Filesize
973KB

MD5
5cfe61ff895c7daa889708665ef05d7b

SHA1
5e58efe30406243fbd58d4968b0492ddeef145f2

SHA256
f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

SHA512
43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\tor.exe

Filesize
973KB

MD5
5cfe61ff895c7daa889708665ef05d7b

SHA1
5e58efe30406243fbd58d4968b0492ddeef145f2

SHA256
f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

SHA512
43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\torrc

Filesize
157B

MD5
a5e7420bc50c3a36caa5e21158e6a54b

SHA1
8ed33ebd63466fbd461a8293cb1638c131f1ad43

SHA256
10d664c94b7dded06c9c69355a2c1bf46eef89d9a22a45912c7252ce74786ee8

SHA512
8c8abdf2eb1d7ae069048c7d74e2b4c34832ed6a654cb3a455b1c6b7f2f5adbf4ccce30f77d9dabbd364ff8c22d2e2dd3549fbdc528bcac04acda2aeabb89658

Download Submit
C:\Users\Admin\AppData\Local\92418aff\tor\zlib1.dll

Filesize
52KB

MD5
add33041af894b67fe34e1dc819b7eb6

SHA1
6db46eb021855a587c95479422adcc774a272eeb

SHA256
8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

SHA512
bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\libcrypto-1_1.dll

Filesize
1.7MB

MD5
2384a02c4a1f7ec481adde3a020607d3

SHA1
7e848d35a10bf9296c8fa41956a3daa777f86365

SHA256
c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

SHA512
1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\libevent-2-1-6.dll

Filesize
366KB

MD5
099983c13bade9554a3c17484e5481f1

SHA1
a84e69ad9722f999252d59d0ed9a99901a60e564

SHA256
b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

SHA512
89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\libgcc_s_sjlj-1.dll

Filesize
286KB

MD5
b0d98f7157d972190fe0759d4368d320

SHA1
5715a533621a2b642aad9616e603c6907d80efc4

SHA256
2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

SHA512
41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\libssl-1_1.dll

Filesize
439KB

MD5
c88826ac4bb879622e43ead5bdb95aeb

SHA1
87d29853649a86f0463bfd9ad887b85eedc21723

SHA256
c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

SHA512
f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\libssp-0.dll

Filesize
88KB

MD5
2c916456f503075f746c6ea649cf9539

SHA1
fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

SHA256
cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

SHA512
1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\libwinpthread-1.dll

Filesize
188KB

MD5
d407cc6d79a08039a6f4b50539e560b8

SHA1
21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

SHA256
92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

SHA512
378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\tor.exe

Filesize
973KB

MD5
5cfe61ff895c7daa889708665ef05d7b

SHA1
5e58efe30406243fbd58d4968b0492ddeef145f2

SHA256
f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

SHA512
43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\tor.exe

Filesize
973KB

MD5
5cfe61ff895c7daa889708665ef05d7b

SHA1
5e58efe30406243fbd58d4968b0492ddeef145f2

SHA256
f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

SHA512
43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

Download Submit
\Users\Admin\AppData\Local\92418aff\tor\zlib1.dll

Filesize
52KB

MD5
add33041af894b67fe34e1dc819b7eb6

SHA1
6db46eb021855a587c95479422adcc774a272eeb

SHA256
8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

SHA512
bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

Download Submit
memory/1484-54-0x0000000000400000-0x0000000000BD8000-memory.dmp

Filesize
7.8MB

Download
memory/1484-89-0x0000000003D00000-0x0000000004104000-memory.dmp

Filesize
4.0MB

Download
memory/1484-90-0x0000000003D00000-0x0000000004104000-memory.dmp

Filesize
4.0MB

Download
memory/2068-93-0x0000000074930000-0x0000000074979000-memory.dmp

Filesize
292KB

Download
memory/2068-91-0x0000000000900000-0x0000000000D04000-memory.dmp

Filesize
4.0MB

Download
memory/2068-94-0x0000000074310000-0x00000000743D8000-memory.dmp

Filesize
800KB

Download
memory/2068-92-0x00000000743E0000-0x00000000746AF000-memory.dmp

Filesize
2.8MB

Download
memory/2068-95-0x0000000074200000-0x000000007430A000-memory.dmp

Filesize
1.0MB

Download
memory/2068-96-0x00000000748A0000-0x0000000074928000-memory.dmp

Filesize
544KB

Download
memory/2068-97-0x0000000074130000-0x00000000741FE000-memory.dmp

Filesize
824KB

Download
memory/2068-98-0x0000000074AE0000-0x0000000074B04000-memory.dmp

Filesize
144KB

Download
memory/2068-99-0x0000000000900000-0x0000000000D04000-memory.dmp

Filesize
4.0MB

Download