colibri | 52712a99b6b73458711a3af355c6b63a45457a9590964c835e08f6da84a09669

Analysis

max time kernel
43s
max time network
47s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2023 11:24

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General

Target

XboxUpdate.exe
Size

2.4MB
MD5

9539d670b998aa46651b51d69123b909
SHA1

77c4912a7b67260c486fda2f93a3b98ecb5e7d65
SHA256

52712a99b6b73458711a3af355c6b63a45457a9590964c835e08f6da84a09669
SHA512

9352b2c5c3b7f19a9c80bd574bd376d1db67cfcb8284abbab81b43efa881591a59cb25de0ff843d54bb958a05dccd783d342316a504bf8528f5e7b2cc02ee1aa
SSDEEP

12288:j0t4Sb/JDZcAVeF8EGoBzFXe2iFi3R6I9VTnHdyFe2OAdnRC9oC5pZxsumiT:jG4GVZcXfiw8Wn9yFPxdnRC9oCr3

Score

10^/10

colibri build1 loader

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

rc4.plain

Signatures

Colibri Loader
A loader sold as MaaS first seen in August 2021.
loader colibri

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

XboxUpdate.exeXboxUpdate.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	XboxUpdate.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	XboxUpdate.exe

Executes dropped EXE 6 IoCs

Processes:

tmp91E4.tmp.exetmp91E4.tmp.exeXboxUpdate.exetmpE4C7.tmp.exetmpE4C7.tmp.exetmpE4C7.tmp.exe

pid process

4088 tmp91E4.tmp.exe
4524 tmp91E4.tmp.exe
2964 XboxUpdate.exe
3988 tmpE4C7.tmp.exe
1048 tmpE4C7.tmp.exe
180 tmpE4C7.tmp.exe

pid	process
4088	tmp91E4.tmp.exe
4524	tmp91E4.tmp.exe
2964	XboxUpdate.exe
3988	tmpE4C7.tmp.exe
1048	tmpE4C7.tmp.exe
180	tmpE4C7.tmp.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

tmp91E4.tmp.exetmpE4C7.tmp.exe

description	pid	process	target process
PID 4088 set thread context of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 1048 set thread context of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

XboxUpdate.exe

pid	process
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe
4352	XboxUpdate.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

XboxUpdate.exepowershell.exeXboxUpdate.exe

description pid process

Token: SeDebugPrivilege 4352 XboxUpdate.exe
Token: SeDebugPrivilege 3584 powershell.exe
Token: SeDebugPrivilege 2964 XboxUpdate.exe

description	pid	process
Token: SeDebugPrivilege	4352	XboxUpdate.exe
Token: SeDebugPrivilege	3584	powershell.exe
Token: SeDebugPrivilege	2964	XboxUpdate.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

XboxUpdate.exetmp91E4.tmp.exeXboxUpdate.exetmpE4C7.tmp.exetmpE4C7.tmp.exe

description	pid	process	target process
PID 4352 wrote to memory of 4088	4352	XboxUpdate.exe	tmp91E4.tmp.exe
PID 4352 wrote to memory of 4088	4352	XboxUpdate.exe	tmp91E4.tmp.exe
PID 4352 wrote to memory of 4088	4352	XboxUpdate.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4088 wrote to memory of 4524	4088	tmp91E4.tmp.exe	tmp91E4.tmp.exe
PID 4352 wrote to memory of 3584	4352	XboxUpdate.exe	powershell.exe
PID 4352 wrote to memory of 3584	4352	XboxUpdate.exe	powershell.exe
PID 2964 wrote to memory of 3988	2964	XboxUpdate.exe	tmpE4C7.tmp.exe
PID 2964 wrote to memory of 3988	2964	XboxUpdate.exe	tmpE4C7.tmp.exe
PID 2964 wrote to memory of 3988	2964	XboxUpdate.exe	tmpE4C7.tmp.exe
PID 3988 wrote to memory of 1048	3988	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 3988 wrote to memory of 1048	3988	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 3988 wrote to memory of 1048	3988	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe
PID 1048 wrote to memory of 180	1048	tmpE4C7.tmp.exe	tmpE4C7.tmp.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\XboxUpdate.exe
"C:\Users\Admin\AppData\Local\Temp\XboxUpdate.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352

C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4088

C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe"
3⤵
- Executes dropped EXE
PID:4524

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3584

C:\Users\Admin\AppData\Roaming\XboxUpdate.exe
C:\Users\Admin\AppData\Roaming\XboxUpdate.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964

C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe"
4⤵
- Executes dropped EXE
PID:180

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cuuiiqgc.2rx.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91E4.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4C7.tmp.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\Users\Admin\AppData\Roaming\XboxUpdate.exe
Filesize
2.4MB

MD5
9539d670b998aa46651b51d69123b909

SHA1
77c4912a7b67260c486fda2f93a3b98ecb5e7d65

SHA256
52712a99b6b73458711a3af355c6b63a45457a9590964c835e08f6da84a09669

SHA512
9352b2c5c3b7f19a9c80bd574bd376d1db67cfcb8284abbab81b43efa881591a59cb25de0ff843d54bb958a05dccd783d342316a504bf8528f5e7b2cc02ee1aa

Download Submit
C:\Users\Admin\AppData\Roaming\XboxUpdate.exe
Filesize
2.4MB

MD5
9539d670b998aa46651b51d69123b909

SHA1
77c4912a7b67260c486fda2f93a3b98ecb5e7d65

SHA256
52712a99b6b73458711a3af355c6b63a45457a9590964c835e08f6da84a09669

SHA512
9352b2c5c3b7f19a9c80bd574bd376d1db67cfcb8284abbab81b43efa881591a59cb25de0ff843d54bb958a05dccd783d342316a504bf8528f5e7b2cc02ee1aa

Download Submit
memory/2964-1349-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/2964-2424-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/3584-1281-0x00000258EA0A0000-0x00000258EA0B0000-memory.dmp

Filesize
64KB

Download
memory/3584-1279-0x00000258EA0A0000-0x00000258EA0B0000-memory.dmp

Filesize
64KB

Download
memory/3584-1274-0x00000258EA050000-0x00000258EA072000-memory.dmp

Filesize
136KB

Download
memory/3584-1282-0x00000258EA0A0000-0x00000258EA0B0000-memory.dmp

Filesize
64KB

Download
memory/4352-182-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-162-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-168-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-170-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-172-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-174-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-176-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-178-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-180-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-133-0x0000000000B10000-0x0000000000D80000-memory.dmp

Filesize
2.4MB

Download
memory/4352-184-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-186-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-188-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-190-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-192-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-195-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-197-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-199-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-164-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-166-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-160-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-158-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-134-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download
memory/4352-1268-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download
memory/4352-156-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-154-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-152-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-150-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-148-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-146-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-144-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-142-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-140-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-138-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-136-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4352-135-0x000000001BCC0000-0x000000001BD62000-memory.dmp

Filesize
648KB

Download
memory/4524-497-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download